Now that you are here, you must be looking for the best 400k btu pool heaters! If you aren’t for it, you shall use our search and look for the topic you are interested in. As this piece is a lengthy one and covers a few more aspects other than the best list, they are the best 400k btu pool heaters brands in United States of America and a buyer’s guide for making an informed buying decision.
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Best 400k btu pool heaters in 2021
1. Pentair 460735 MasterTemp 300K BTU Propane Gas High Performance Eco-Friendly Heater -Patio, Lawn & Garden
By Pentair
More Pictures- Manual gas shut-off when service is required
- Best-in-class energy efficiency
- MasterTemp is certified for low NOx emission and outperforms industry standards; Measures 36-inch length by 30-inch height by 25-inch width
- Heats up fast so no long waits before enjoying your pool or spa
- 300K BTU propane gas high performance heater
2. Raypak 406,000 BTU Digital Electronic Ignition Propane Pool Heater -Patio, Lawn & Garden
By Raypak
- 406,000 BTU propane digital pool and spa heater
- Microprocessor-controlled thermostat can be set precisely to your liking , set it and forget it
- Features PolyTuf powder coating, polymer headers, and an all copper-fin-tube heat exchanger
- Also features a stainless steel tube sheet, 2 inch CPVC water connections, burner tray and fire tile
- Cabinet and the internals are non-corrosive and rust resistant
3. Hayward W3H400FDP Universal H-Series 400,000 BTU Pool and Spa Heater, Propane -Patio, Lawn & Garden
By Hayward
- BEST FOR: In-ground pools and spas with a surface area up to 1,200 ft
- CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
- Its low environmental impact makes it ideal for pools and spas located where low-NOx emissions are required.
- where natural gas is available
- PREMIUM PERFORMANCE: The Hayward Universal H-Series 400,000 BTU Propane Heater delivers premium heating performance for years of reliable, long-lasting comfort.
- ENERGY SAVINGS: The efficient, industry-leading design reduces circulation pump run time to provide energy savings.
- EASY-TO-USE: Intuitive front control panel provides easy operation, service and maintenance.
4. Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas -Patio, Lawn & Garden
By Hayward
- where natural gas is available
- EASY-TO-USE: Intuitive front control panel provides easy operation, service and maintenance.
- CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
- Its low environmental impact makes it ideal for pools and spas located where low-NOx emissions are required.
- ENERGY SAVINGS: The efficient, industry-leading design reduces circulation pump run time to provide energy savings.
- BEST FOR: In-ground pools and spas with a surface area up to 1,200 ft
- PREMIUM PERFORMANCE: The Hayward Universal H-Series 400,000 BTU Natural Gas Heater delivers fast premium heating performance for years of reliable, long-lasting comfort.
5. Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater -Patio, Lawn & Garden
By Raypak
- Model Number: P-R406A-EN-C
- LCD digital display provides accurate temperature
- Part Number: 009219
- High-wind resistance
- Monitors operational status as well as service diagnostics
6. Hayward IDXL2ICB1931 Integrated Control Board Replacement for Hayward H-Series Low Nox and Hot Tub Heater -Patio, Lawn & Garden
By Hayward
- Fits hayward universal h-series low nox induced draft heater models h250idl2, h350idl2, h400idl2
- Integrated control board replacement
- Also fits hayward universal h-series low nox induced draft heater
- Weighs 18-1/2-pound
- New part incorporated on all IDL Heaters built after 9/20/04
7. EcoSmart SMART POOL 27 Electric Tankless Pool Heater, 27kW, 240 Volt, 112.5 Amps with Self Modulating Technology -Pool Heaters
By Ecosmart US
- Eco smart Pool Heaters are compact and easy to install for a new or existing pool
- Can be used as an alternative to or booster to heat pump.
- Flow Activation
- Set your temperature digitally to increments of 1-Degree
- Compatible with Eco smart Remote Control
- Set it and forget it.
- wattage: 27000.0
- Activation Flow – 12 +/- 2 GPM
8. Intex Solar Heater Mat for Above Ground Swimming Pool, 47in X 47in -Patio, Lawn & Garden
By Intex
- 1m sq (11ft sq) surface to absorb sun’s rays.
- Suitable for above ground pools up to 8000 gal (30,280L)
- 1 ¼” (32mm) hose attachment points, includes 1 adaptor A and 1 adaptor B for 1 ½” hose connection.
- 3 ~ 5 DegreeC (5 ~ 9 DegreeF) depending on weather condition.
- Eco-friendly solar technology increases temperature of the pool water by approx
- Bypass valve
- Includes: 0.5m (1 1/4″ / 32mm diameter) connecting hose
- Simple hook up, compatible with filter pump up to 1/2 hp or pump flow rate < 2500 gal/hr (9463 L/hr).
- Dimensions: 1.2m X 1.2 m / 47 1/4in; X 47 1/4in.
9. Raypak 105,000 BTU Swimming Pool and Spa Heater – Propane -Patio, Lawn & Garden
By Raypak
- Unit measures 27.5″ H x 12″ wide X 24″ Deep
- Standard 120v 3-prong power cord or can be easily converted to 220v
- Gas connection is 1/2″ NPT and measures 4 5/8″ off the ground level
- Designed for easy installation on above ground pools, smaller in-ground pools, and spas
- Simple analog thermostat dial for accurate pool and spa temperature setting
10. SunHeater Pool Heating System Two 2’ x 20’ Panels – Solar Heater for Inground and Aboveground Made of Durable Polypropylene, Raises Temperature, 6-10°F, S240U -Patio, Lawn & Garden
By SunHeater
- DIMENSIONS – The SunHeater Solar Pool Heater includes two 2’ x 20’ panels, made of durable polypropylene
- EXTENDS POOL SEASON – Your pool’s pump pushes the water through the panel’s many tubes where it’s warmed by the sun and then returned into the pool
- It offers rigid flexibility, allowing panels to expand and contract with changing temps, giving it the strength needed to last.
- It’s an efficient and cost-effective method to heat your pool.
- EASY TO INSTALL – This pool solar heater uses your existing filtration system and has 4 end caps, 2 elbows for flex hose connection, 6 stainless steel hose clamps, 1 roll of Teflon tape, and rubber connector hoses.
- SOLAR POOL HEATER – The SunHeater Solar Pool Heating System allows you to capture free heat from the sun’s rays to effectively raise your pool water temperature
- TUBE ON WEB DESIGN – The tube-web-tube design allows the SunHeater to capture the most sun possible, maximizing square footage
- This system can raise the water temperature 6-10 degrees F and extend your pool season by weeks!
- It’s a universal system that works for pools up to 31’ round or 18’ x 36’.
11. SunHeater S120U Universal Solar Pool Heater 2 by 20-Feet, Black -Patio, Lawn & Garden
By SunHeater
- MADE IN USA
- Patented web design for maximum exposure to sun’s rays
- Power Source Type: Manual
- Uses existing pool pump
- Raises pool water temperature 6-10 degrees F
- Simple DIY installation; for in ground or above ground pools
- Installs on roof, rack, ground or fence
12. Pentair 42002-0024S Stack Flue Sensor Replacement Pool and Spa Heater Electrical Systems -Patio, Lawn & Garden
By Pentair
- Also fits Pentair Sta-Rite Max-E-Therm pool and spa heater electrical systems model SR200, SR333, SR400
- Stack flue sensor replacement
- Fits Pentair MasterTemp pool and spa heater electrical systems
- Measures 6-inch length by 6-inch height by 6-inch width
13. SunHeater Aboveground Pool Heating System, Includes Two 2’ x 20’ Panels (80 sq. ft.) – Solar Heater Made of Durable Polypropylene, Raises Temperature Up to 15°F – S421P, Black -Patio, Lawn & Garden
By SunHeater
- TUBE-ON-WEB DESIGN – The tube-on-web design allows Sunheater to capture the most sun possible, maximizing square footage
- ft) and is perfect for heating aboveground pools that measure up to 31’ round or 18’ x 36’ oval.
- DIMENSIONS – This Sunheater Solar Pool Heater System includes two 2’ x 20’ panels (80 sq
- This system can raise the water temperature up to 15°F and extend your pool season by weeks!
- EXTENDS POOL SEASON – Your pool’s pump pushes the water through the panel’s many tubes where it’s warmed by the sun and then returned to the pool
- EASY TO INSTALL – This solar pool heater uses your existing filtration system & comes with the necessary plumbing fixtures to connect to a rigid wall aboveground pool using flex hoses (hard plumb installations will require additional parts not included).
- It’s an efficient and cost-effective method to heat your aboveground pool.
- It offers rigid flexibility, allowing panels to expand and contract with changing temps, giving it the strength needed to last.
- SOLAR POOL HEATER – The Sunheater Solar Pool Heating System allows you to capture free heat from the sun’s rays to effectively raise your pool water temperature
14. Smart Pool S601 Pool Solar Heaters, Pack of 1, Black -Patio, Lawn & Garden
By SmartPool
- Installation kit required (Sold Separately)
- Panel array measures 4 feet wide x 20 feet long
- Keep your pool warm with a polypropylene heat collector
- Raises Pool Water Temperature 6-10°F (4-6°C)
- Pool accessory is perfect for heating any in-ground swimming pool
- Direct Flow System – One Header Hole for Each Heating Tube
- Solar heater features 80 square feet of solar panels
15. VINGLI Solar Pool Heater Above Ground Domed Solar Powered Swimming Pool Heater Contour Pool Heating Coil -Patio, Lawn & Garden
By VINGLI
- Space Saving & Compact – The compact design and small footprint of the swimming pool solar heater really easy to store
- Easy to Install This solar pool heater install was fairly easy
- More important, the heater hose are solid and don’t leak.
- This solar powered heater protective cover to go over the coil for extra protection and to keep it clear from debris
- It is eco-friendly
- Hassle Free Warranty- VINGLI pool solar heater offer you 1-year warranty, 100% money back guarantee, and 24-hours friendly customer service
- Heat Well & Eco-friendly VINGLI solar heater can keeping the water warm quickly and longer if you use three or more our heater linked together in the same time
- Please contact us send you additional soft hose if you need
- It has 2 foldable legs on the bottom so that you can prop it up to align the coil with the sun for maximum efficiency, and it is also easy to store if you don’t use it
- Any problem please contact us without hesitation
- Dome Design & Heat QuicklyIf you want to heat the water quikly, please remove the cover
- The hose mounts are easy to use
- Note: Water pump pressure does not exceed 0.8, air pressure 35PSI
16. Pentair SuperFlo VS Variable Speed Pool Pump, 342001 -Patio, Lawn & Garden
By Pentair
- Variable speed technology costs significantly less to operate
- Ideal for standard pools requiring up to 1.5 HP pump
- Your purchase includes One Pentair SuperFlo VS Variable Speed Pool Pump
- For most installations, it is recommended installing a valve on both the pump suction and return lines so that the pump can be isolated during routine maintenance
- See exact dimensions in product pictures
- Savings based on variable speed pump compared to a single-speed pump running 12 hours per day at an average of $0.16 per kWh in a 20, 000 gallon
- Variable speed pump with 115-230V and 50/60 Hz single phase capability
18. Amazon Basics Outdoor Patio Heater with Wheels, Propane 46,000 BTU, Commercial & Residential – Havana Bronze -Patio, Lawn & Garden
- Backed by an Amazon Basics 1-year limited warranty
- Safety auto shut-off tilt valve; waterbox for adding weight to the base; wheel assembly included for easy mobility
- Measures approximately 18 by 89 inches (LxH); weighs 38 pounds
- Ideal for commercial cafes and restaurants or residential patios
- Outdoor gas heater with 46,000 BTUs, providing heat up to a 9-foot radius
- Piezo ignition system for easy push-button start ups; requires 20lb Liquid Propane Gas tank (not included); chain to help secure LPG tank provided.
- Secure the patio heater when not in use to avoid any potential damage to the patio heater
- Made with aluminum, sturdy plastic, and rugged steel with a durable powder-coated finish that stands up to outdoor elements
19. FlowXtreme NS1002 Flat-Panel Pool Solar Heater, Black -Patio, Lawn & Garden
By FlowXtreme
- 1 Year Warranty – your product comes with a one Year manufacturer Warranty
- This new design increases heating capacity by 40% per cycle.
- Simply attach to your filter & pump system and let the warm water flow!
- State-of-the-art – an innovative, flat-panel structure lowers the amount of time it takes to heat your pool
- POWERED BY SUNLIGHT – The FlowXtreme Solar Dome Heater uses nature’s most powerful source of warmth
- Your item will arrive damage free with all necessary parts and accessories.
- Solar rays are magnified within the streamlined housing, heating up your pool water.
- Easy to install – standard, 1.25 – 1.5-in fittings provide compatibility with most above ground pools
- Ignition Type-No Ignition System
- Dimensions: 41.4-in L x 28.8-In w x 20.5-in H
20. Beluga Pool Solutions 1652 Solar Heating Device for Swimming Pool, Blue -Patio, Lawn & Garden
- Increase the comfort and extend the swimming season of your pool.Economical alternative to gas or electric heating
- Can be used with soft sided temporary pools with adapter (sold separately)
- Save hundreds on your energy bill
- Heat your pool with a garden hose
- Designed to work with in-ground or permanent above ground pools
- Easily connects to a standard 1 1/2″ return fitting
21. Pentair 42002-0007S Control Board Kit Replacement NA and LP Series Pool/Spa Heater Electrical Systems -Patio, Lawn & Garden
By Pentair
- Measures 6-inch length by 6-inch height by 6-inch width
- Fits Pentair MasterTemp NA and LP Series Pool and Spa Heater Electrical Systems
- Also fits Pentair Sta-Rite Max-E-Therm NA and LP-Series pool and spa heater electrical systems
- Control board kit replacement
22. Raypak 014786-156A Propane Pool Heater 150K BTU for 0-4999ft Elevation 014786 – RYPR15 -Patio, Lawn & Garden
By Raypak
- Model Number: P-R156A-EP-C
- Part Number: 014786
23. Hayward W3HP21404T HeatPro 140,000 BTU Pool Heat Pump for In-Ground Pools -Patio, Lawn & Garden
By Hayward
- TRUSTED BRAND: With over 80 years of experience, Hayward is an industry leader in manufacturing advanced pool equipment.
- UNPARALLELED DURABILITY: Ultra Gold corrosion-resistant technology provides unparalleled durability, even in harsh coastal environments.
- ECONOMICAL HEATING: Using the surrounding air to heat the pool, HeatPro is more economical than propane, natural gas and electric heaters for maintaining the ideal water temperature.
- CORROSION RESISTANT: Titanium heat exchanger ensures maximum heat transfer and provides excellent salt water and chemical corrosion resistance
- UV-resistant body panels are impervious to corrosion and deterioration
- Non-corrosive design makes it durable for coastal climates.
- BEST FOR: In-ground pools that are used regularly and benefit from maintaining an ideal consistent temperature
24. ShineUs Bezel and Keypad Assembly Replacement Compatible with Hayward IDXL2BKP1930 Fit for Select H-Series Heater & H250IDL1，H300IDPL1，H400IDPL2. -Patio, Lawn & Garden
By ShineUs
- Fits the following models only: H250IDL1, H250IDL2, H250IDPL1, H250IDPL2 H300IDL1, H300IDL2, H300IDPL1, H300IDPL2 H400IDL1, H400IDPL1, H400IDPL2
- Fit For Hayward H Series Low Nox Induced Draft Heaters from 2005 to present
- Bezel and keypad assembly replacement
25. American Standard 9075120 Safe-T Heater, 7.50 x 4.81 x 3.56 Inches, Black -Tools & Home Improvement
- 1500 watt and includes overheat protection
- Helps maintain a consistent water temperature
- Designed for use with American Standard whirlpool bathtubs
- Quick connect Safe-T Heater connection system – whirlpool only
- Easy to install
26. Hayward FDXLCNK0001 NA to LP Conversion Replacement Kit for Hayward Universal H-Series Low Nox Pool Heater -Patio, Lawn & Garden
By Hayward
- Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp
- Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp
- Weight 24.4 pounds
- Na to lp conversion kit
27. Goplus Solar Dome Swimming Pool Heater Above Ground, Pool Solar Heater, Sun Heater -Patio, Lawn & Garden
By Goplus
- ️ A protective cover is included to protect the dome when not in use
- ️ Solar powered swimming pool heater, Connects to 1.5 inch hoses
- ️ Heat your pool in the environmentally friendly way, No electricity or gas connections
- ️ Space saving and aesthetically pleasing when compared to solar panels
- ️ Extend your swimming season with warm water and heat your pool to a warm, comfortable temperature
28. Pentair 011028 IntelliFlo VS Pool Pump, Almond -Patio, Lawn & Garden
By Pentair
- Interfaces perfectly with Pentair automation systems that give you the convenience of Mobile device control
- Totally enclosed fan cooled design for quiet operation and long life, top-mounted field wiring compartment makes access and installation easier
- Intuitive, easy to use menu structure for programming and monitoring
- Control keypad can be rotated for convenient orientation on the pump or wall mounted with relocation kit
- 8-Programmable speed settings and built in timer
29. Stiebel Eltron Tankless Water Heater – Tempra 15 Trend – Electric, On Demand Hot Water, Eco, White -Tools & Home Improvement
- CONTINOUS FLOW – Hot showers will never be interrupted again
- Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase
- Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels
- Enjoy continuous, on-demand hot water with an unlimited supply, when you want it without wasting any energy when not needed
- WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability
- SILENT OPERATION – One electronic switch will activate the hot water heater and it’s noise free while in use
- TEMPRA 15 TREND – This specific model is 14.4kW, 240V, requires a min recommended electric service of 100 A, and offers an output water temperature of 68° to 140°F
- SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required
- Eco friendly unit saves energy with auto-modulation
- Digital temperature display is easy to read, while the interior solid copper heating system does all the power work
30. GAME 4721-BB SolarPRO Curve Solar Pool Heater, Made for Intex & Bestway Above-Ground and Inground Pools, Includes Intex Adapters, 2 Hoses & Clamps -Patio, Lawn & Garden
By GAME
- DURABLE CONSTRUCTION: We’ve designed this above-ground solar pool heater with high-quality materials that will hold up against frequent exposure to the sun and outdoor elements.
- It increases the pool temperature by 5 degrees in 4 days (for an 8,000-gallon pool).
- SOLAR POOL HEATER: The GAME SolarPRO Curve Solar Pool Heater has been designed for above-ground and most inground pools
- The adjustable and foldable legs allow the heater to be set for maximum exposure to the sun, along with a clear cover that locks in heat.
- ADJUSTABLE LEGS: This solar heater is compatible with Intex, Bestways, and most above and inground pools
- UNIQUE CURVED SHAPE: The GAME solar pool heater has been engineered with a unique curved shape that maximizes heat collection
- It’s designed to extend your pool season by gradually increasing the water temperature by a few degrees
- Maximum heat output with space saving footprint
- THE PERFECT GRADUAL HEATER: This solar pool heater is not intended to be a miracle-cure heater
- The treaded ports have been added for versatile plumbing options.
31. Raypak Digital Low NOx Natural Gas 399000 BTU Pool Heater 9243 -Patio, Lawn & Garden
By Ray Pak
- Low NOx 399,000 BTU Natural Gas Pool Heater
- Compatible with most major swimming pool control and remote systems on the market today
- Monitors operational status as well as service diagnostics
- LCD digital display provides accurate temperature
- PVC plumbing directly to the heater
32. Hayward GL-235 AquaSolar Pool Solar Temperature Controller -Patio, Lawn & Garden
By Hayward
- LED indicators show status of system operations
- Electronics in UV-protected locking weatherproof enclosure
- Precise, easy-to-read, calibrated temperature setting
- Automatic switching (selectable) from solar pool heating to nocturnal pool cooling
- Automatically maximizes solar heat collection
33. Hayward FDXLBRN1930 FD Burner Replacement Kit for Hayward Universal H-Series Low Nox Pool Heater -Patio, Lawn & Garden
By Hayward
- Weight 8.6 pounds
- Fd burner kit
- Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp
- Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp
34. Hydro Quip Hotspring Replacement Heater Assembly 1.0/4.OKW 120/240 Volt -Patio, Lawn & Garden
By Hydro Quip
- Hotspring, Limelight, Tiger River 4kw replacement heater
- Includes the needed pressure switch jumper
35. Pentair 77707-0253 Combustion Air Blower Replacement Kit Pool and Spa Natural Gas Heater -Patio, Lawn & Garden
By Pentair
- Also fits Pentair Sta-Rite Max-E-Therm pool and spa natural gas heater model 400NA
- Measures 12-inch length by 12-inch width by 12-inch height
- Fits Pentair MasterTemp pool and spa natural gas heater model 400NA
- Combustion air blower replacement kit
- Includes single volt blower adapter
36. R0456500 Replacement for Zodiac Temperature Sensor 12 Month Warranty -Patio, Lawn & Garden
- 12-month manufacturers warranty
- Original Sensor Manufacturer
- Perfect replacement for R0456500
- Made in USA
37. Puri Tech Quiet Heat 112,000BTU Pool Heat Pump with Savings Optimizer -Patio, Lawn & Garden
By Puri Tech
- Simple and easy to use control panels include lockout security and an automation friendly system.
- Savings Optimizer saves up to $2,000 a year, extends the life of the pump, and reduces the noise of the system.
- Ideal for pools up to 28,000 gallons
- QZ Quiet Technology for quiet operation.
- Durable weatherproof cabinet made for long-lasting use.
38. Poolmaster 59026 Heater Slim Line Above-Ground Solar Power Swimming Pool Water Heat, 43” Long x 27” Wide, Black -Patio, Lawn & Garden
By Poolmaster
- Item Package Dimension: 5.01″ L x 2.63″ W x 2.63″ H
- Power Source Type: Solar Powered
- Country Of Origin: China
- Model Number: 59026
39. Raypak Kit Header Baffle 006826F -Patio, Lawn & Garden
By Raypak
- Catalog Part Number: 6234-132
- Part Number: 006826F
- Raypak Inc
40. Puri Tech Quiet Heat 127,000BTU Pool Heat Pump with Optimizer -Patio, Lawn & Garden
By Puri Tech
- Simple and easy to use control panels include lockout security and an automation friendly system.
- Savings Optimizer saves up to $2,000 a year, extends the life of the pump, and reduces the noise of the system.
- Durable weatherproof cabinet made for long-lasting use
- QZ Quiet Technology for quiet operation
- Ideal for pools up to 35,000 gallons
41. Zodiac R0455600 Blower Assembly with Gasket Replacement for Zodiac Jandy LXi Low NOx Pool and Spa Heaters -Patio, Lawn & Garden
By Zodiac
- Fits Zodiac Jandy LXi Low NOx pool and spa heater models 250, 300, 400
- Include gaskets
- Blower assembly replacement
42. Hayward W3HP21104T HeatPro 110,000 BTU Pool Heat Pump for In-Ground Pools -Patio, Lawn & Garden
By Hayward
- UV-resistant body panels are impervious to corrosion and deterioration
- TRUSTED BRAND: With over 80 years of experience, Hayward is an industry leader in manufacturing advanced pool equipment.
- CORROSION RESISTANT: Titanium heat exchanger ensures maximum heat transfer and provides excellent salt water and chemical corrosion resistance
- UNPARALLELED DURABILITY: Ultra Gold corrosion-resistant technology provides unparalleled durability, even in harsh coastal environments.
- ECONOMICAL HEATING: Using the surrounding air to heat the pool, HeatPro is more economical than propane, natural gas and electric heaters for maintaining the ideal water temperature.
- Non-corrosive design makes it durable for coastal climates.
- BEST FOR: In-ground pools that are used regularly and benefit from maintaining an ideal consistent temperature
43. Enersol 1′ x 8′ Solar Pool Heater w/Hardware -Patio, Lawn & Garden
By Enersol
- NOTE: Installation kit required for every panel purchased after the 1st one.
44. SolarPoolSupply Highest Performing Design – DIY Solar Pool Heater System Kit – 15-20 Year Life Expectancy – Made in USA [5-4×12 / 2″ I.D. Header] -Patio, Lawn & Garden
![SolarPoolSupply Highest Performing Design - DIY Solar Pool Heater System Kit - 15-20 Year Life Expectancy - Made in USA [5-4x12 2 I.D. Header]](https://m.media-amazon.com/images/I/51J3K5qaAqL._SL500_.jpg)
- A direct, metered manifold delivers a balanced flow through the collector and prevents hot-spots
- ASSURANCE GUARANTEED: Each panel is guaranteed to be free from manufacturer defects, withstand the effects of freezing weather and will not fail from corrosion or scale deposits in the walls of its water passages (5-year full / 10-year limited).
- This manufacturing process eliminates the inherent quality issues that plague cheaply manufactured products which typically see a lifespan of only 1-2 years (more in description).
- Each panel is put up against more than 40 quality control inspections throughout the entire manufacturing process to ensure the final product.
- PREMIUM QUALITY: Manufactured from high-grade materials proven to last in all types of weather and withstand the harsh conditions of a rooftop for up to 15-20 years
- These panels must be installed vertically for optimal performance and drainage.
- MANUFACTURED TO LAST: Made from precompounded polypropylene, significantly increasing the materials resistance to UV light and lengthening service life substantially
- HIGHEST PERFORMING DESIGN: Constructed in a tube-and-web design which allows for normal expansion and contraction as the panel heats and cools, extending service life
- DO IT YOURSELF: Includes everything you need to mount the solar panels to a roof or rack, secure with hold down strapping, make connections to and from each solar panel, complete water connections to the system’s supply and return plumbing lines, and the components necessary to allow gravity drainage of the panels and piping.
45. Water Heater Mini Electric Tankless Water Heater Electric Instant Hot Water Heater Kitchen Washing with LCD Digital Display 3000W (Red) -Tools & Home Improvement
By TBVECHI
- Safe & Intelligent Leakage protection, IPX4 waterproof, Dry heating protection, Water-electricity isolation, Auto power-off at inactive state, Over-temperature automatic power-off.
- Constant Temperature3800W output tankless electric water heater maintains the best water temperature for you.
- The greater the water flow, the lower the temperature.
- Thermostat Water Heaters3 seconds that is hot,It heats water as the water passes thru the unit, instant heating without waiting.
- Easy to InstallEasy to install under the bathroom or kitchen sink for washing dishes, food, clothes, suitable for universal water pipe: 1 / 2 inch diameter (inflow or outflow)
- FeatureThe temperature is controlled by the size of the water flow
- The smaller the water flow, the higher the temperature
46. Raypak Digital Cupro-Nickel Propane 206000 BTU Pool Heater 14950 -Patio, Lawn & Garden
By Raypak
- Cupro-nickel gas pool and spa heater
- Part Number: 014950
- Model Number: P-M206A-EP-X
- Pagoda design ensures heater stays active in harsh weather conditions
- Microprocessor controlled thermostat
47. Raypak 014938 206000 BTU Digital Natural Gas Pool Heater with Cupro Nickel -Pool Heater & Heat Pump Parts
By Raypak
- Part Number: 014938
- Model Number: P-R206A-EN-X
- Cupro-nickel gas pool and spa heater
- Microprocessor controlled thermostat
- Pagoda design ensures heater stays active in harsh weather conditions
48. Weehomy Premium Quality 220V/380V 3KW~18KW Automatic Electric Swimming Pool Thermostat SPA Heater Water Heater Temperature Controller Widely Used in Swimming Pool Thermostat Heater Pump (220V, 18KW) -Patio, Lawn & Garden
By Weehomy
- Input voltage:220V, Power: 18KW, Size: 450*105*355mm
- Heating rate: The thermostat can be maintained within a temperature not exceeding 40 °C (104 °F) range
- If cold water is started, will be 6 ~ 8 °C / h elevated temperatures.
- Thermostat operation is fully automated, clockwise, the heating is on, indicator light, temperature reaches a preset temperature, will remain at that temperature.
- This thermostat is specifically designed for the hot tub, the thermostat is installed in the pipeline jacuzzi
- Automatic heating: Thermostat will first reach the preset temperature, then stop working until the temperature dropped a few degrees, the thermostat automatically turns on.
- When adding hot water bath, start the pump, the thermostat automatically heat insulation work, so the water temperature bath maintained at 39 degrees Celsius, give your Jacuzzi to create a more comfortable environment.
49. Pentair 77707-0255 Combustion Air Blower Replacement Kit Max-E-Therm 333 Pool and Spa Propane Gas Heater -Patio, Lawn & Garden
By Pentair
- Combustion air blower replacement kit
- Measures 12-inch length by 12-inch width by 12-inch height
- Fits Pentair Sta-Rite Max-E-Therm pool and spa propane gas heater model 333L
- Includes single volt blower adapter
400k btu pool heaters – The Buyer’s Guide
You must have checked the above list, aren’t you mind-blown by the quality of products? Well, if you are then here’s a secret formula which we’ve used to choose them. You can use them too! The best part is, it works for all the product purchases you make! Besides, wouldn’t it be helpful to you, if you knew the factors we’ve considered to choose the 400k btu pool heaters in the above list? So shall we begin with the guide and help you learn about the important factors?
1. Does it have the features you need?
Wait for a minute before you buy the 400k btu pool heaters, check if it has all the features in your requirement list! If it doesn’t have them, then you should avoid buying that particular model and start looking for an alternative. We always suggest our editors to make a list of important features before adding a product to a list and based on the feature, the quality of the product, brand-assurance, rank it! So if it has all you need, you should not mind paying a bit extra. However, if you end up buying the best 400k btu pool heaters which doesn’t have the feature you need the most, then it won’t make sense! Would it? To us, it wouldn’t! That’s why you should make up a list which includes the features you are looking for, technical specifications if any, etc and come up with a budget.
2. Budget and Price Match
Well, you obviously can’t buy the best 400k btu pool heaters with a low budget. That’s why it’s important to make note of all the important features, specs, factors and come up with a budget. Once you are ready with it, look for the products which are either equal to your budget or are close to it. Stick to the budget, because while browsing, you’ll see a model which is slightly better and has an additional feature with a really small price difference. Well, in that case you’ll have to calculate the price of the product which has all the required features and the 400k btu pool heaters with the additional features. See if the difference in amount is worth for the feature? If you don’t have second thoughts, you shall probably increase your budget.
3. Warranty and Brand
Most of the 400k btu pool heaters industry experts we got in touch suggested us to always buy the one which comes from a reputable brand. They also explicitly asked us to include the best brands so that users don’t buy the models from unknown brands or non-reputable companies. Because 400k btu pool heaters from an unknown brand might be cheap at first glance, but could have high-maintenance and could cost a lot in repairs.
Another benefit of buying a 400k btu pool heaters from a reputable brand would be warranty. Most of the 400k btu pool heaters from reputable brands come with good warranty. However, cheap products do come with a warranty, but claiming it can be a herculean task. That’s why buy the models which come from known brands and have good warranty.
4. Check for Reviews and Ratings
Back then when the Internet wasn’t as big as it is today, local stores charged high and even ended up selling the products which sucked or wasn’t future proof. It’s because the salesman threw technical terms and confused the buyer. But nowadays, there are sites like ours which does all the research and lists down the best models and there are eCommerce stores like Amazon which has user reviews which can be read to know the experience of the user with that particular 400k btu pool heaters. Isn’t it great?
The Verdict
We hope that you loved the 400k btu pool heaters we’ve listed in our best list. If it has been helpful, please bookmark our website and share it with people you know whenever they plan to buy something.
To wrap up this guide,
- If you are looking for the best 400k btu pool heaters: You shall consider going for Pentair 460735 MasterTemp 300K BTU Propane Gas High Performance Eco-Friendly Heater
- If you want the one which has similar features to the best, then you shall consider going for Hayward W3HP21404T HeatPro 140,000 BTU Pool Heat Pump for In-Ground Pools
- If you want a 400k btu pool heaters which is “value for money” then you shall go for the Raypak 014786-156A Propane Pool Heater 150K BTU for 0-4999ft Elevation 014786 – RYPR15
- If you want the cheapest 400k btu pool heaters then the Wholesale Sensors 42001-0063S High Limit Switch Replacement Pool/Spa Heater 12-Month Warranty should be the best one for your needs!
