Best 400k Btu Pool Heaters In April 2024

Below is the top 10 Best 400k Btu Pool Heaters review to guide you buy the best product. Choose one of these products and your satisfaction is guaranteed!

To help you in your search, we have completed this list of the Best 400k Btu Pool Heaters.

Top Rated Best 400k Btu Pool Heaters Of 2024

Rank	Product Name	Score
1	FibroPool FH 220 Swimming Pool Heater Heat Pump Buy Now	9.7 Buy Now
2	Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater Buy Now	9.5 Buy Now
3	EcoSmart SMART POOL 27 Electric Tankless Pool Heater, 27kW, 240 Volt, 112.5 Amps Buy Now	9.1 Buy Now
4	Hayward W3H400FDP Universal H-Series 400,000 BTU Pool and Spa Heater, Propane Buy Now	8.8 Buy Now
5	Hayward W3H400FDN Universal H-Series 400,000 BTU Pool and Spa Heater, Natural Gas Buy Now	8.6 Buy Now
6	Raypak 406,000 BTU Digital Electronic Ignition Propane Pool Heater Buy Now	8.3 Buy Now
7	Pentair 460775 MasterTemp High Performance Eco-Friendly Pool Heater, Natural Gas, 400,000 BTU, ASME Buy Now	8.1 Buy Now
8	Sta-Rite SR200LP Max-E-Therm Black Propane Gas Pool and Spa Heater, 200-BTU Buy Now	7.8 Buy Now

1. FibroPool FH 220 Swimming Pool Heater Heat Pump

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9.7/10 our score

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Suitable for pools up to 7,500 gallons in coastal climates
240 volts- 60 hz american voltage
20,000 btu/hr heating capacity
4.85 cop. best in its class
Suitable for all hot tubs

2. Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater

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9.5/10 our score

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3. EcoSmart SMART POOL 27 Electric Tankless Pool Heater, 27kW, 240 Volt, 112.5 Amps

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9.1/10 our score

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Flow activation
Eco smart pool heaters are compact and easy to install for a new or existing pool
Set your temperature digitally to increments of 1-degree. set it and forget it.
Wattage: 27000.0
Compatible with eco smart remote control. activation flow - 12 +/- 2 gpm
Can be used as an alternative to or booster to heat pump.

4. Hayward W3H400FDP Universal H-Series 400,000 BTU Pool and Spa Heater, Propane

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8.8/10 our score

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The hayward universal h-series 400,000 btu propane heater delivers premium heating performance for years of reliable, long-lasting comfort
Industry-leading hydraulic design reduces circulation pump run time to provide major energy savings
Front-panel-only access and intuitive control pad provide easy operation, service and maintenance
Low nox emissions meet air quality standards in all low-nox areas, ensuring low environmental impact
A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry

5. Hayward W3H400FDN Universal H-Series 400,000 BTU Pool and Spa Heater, Natural Gas

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8.6/10 our score

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A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry
Low nox emissions meet air quality standards in all low-nox areas, ensuring low environmental impact
The hayward universal h-series 400,000 btu natural gas heater delivers premium heating performance for years of reliable, long-lasting comfort
Industry-leading hydraulic design reduces circulation pump run time to provide major energy savings
Front-panel-only access and intuitive control pad provide easy operation, service and maintenance

6. Raypak 406,000 BTU Digital Electronic Ignition Propane Pool Heater

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8.3/10 our score

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406,000 btu propane digital pool and spa heater
Microprocessor-controlled thermostat can be set precisely to your liking , set it and forget it
Cabinet and the internals are non-corrosive and rust resistant
Also features a stainless steel tube sheet, 2 inch cpvc water connections, burner tray and fire tile
Features polytuf powder coating, polymer headers, and an all copper-fin-tube heat exchanger

7. Pentair 460775 MasterTemp High Performance Eco-Friendly Pool Heater, Natural Gas, 400,000 BTU, ASME

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8.1/10 our score

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Manual gas shut-off when service is required
Best-in-class energy efficiency
Mastertemp is certified for low nox emission and outperforms industry standards
Heats up fast so no long waits before enjoying your pool or spa

8. Sta-Rite SR200LP Max-E-Therm Black Propane Gas Pool and Spa Heater, 200-BTU

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7.8/10 our score

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Compact design - ideal for retro-fit installation
Custom or retrofit - direct-connects to sta-rite system:3® mod media filter or easily fits other systems
Lightweight - lightest heater in its class
Rustproof housing sleek, matte black enclosure is made of dura-glass - an exclusive sta-rite material that handles the heat and weathers the elements
Lower operating costs - 84% efficiency rating - rated 1st in its class for highest energy efficiency