Top 10 400000 BTU Pool Heater – Swimming Pool Heaters

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1. Hayward

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

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Hayward #ad - Low nox emissions meet air quality standards in all low-NOx areas, ensuring low environmental impact. Industry-leading hydraulic design reduces circulation pump run time to provide major energy savings. The hayward universal h-series 400, 000 bTU Natural Gas Heater delivers premium heating performance for years of reliable, long-lasting comfort. Front-panel-only access and intuitive control pad provide easy operation, service and maintenance. A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
BrandHayward #ad
ManufacturerHayward #ad
Height28.6 Inches
Length37.6 Inches
Width30.8 Inches
Part NumberW3H400FDN
ModelW3H400FDN

2. Hayward

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

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Hayward #ad - 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. 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. A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
BrandHayward #ad
ManufacturerHayward #ad
Height28.6 Inches
Length37.6 Inches
Width30.8 Inches
Part NumberW3H400FDP
ModelW3H400FDP

3. Raypak

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Raypak 406,000 BTU Natural Gas Millivolt Pool Heater

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Raypak #ad - 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. Mechanical thermostat can be set precisely to your liking, set it and forget it. 406, 000 btu natural gas millivolt pool and spa heater. Cabinet and the internals are non-corrosive and rust resistant.
BrandRaypak #ad
ManufacturerRaypak #ad
Part Number9219

4. Pentair

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Pentair 460805 MasterTemp High Performance Eco-Friendly Pool Heater, Heavy Duty, Natural Gas, 400,000 BTU

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Pentair #ad - Mastertemp is certified for low NOx emission and outperforms industry standards. Heats up fast so no long waits before enjoying your pool or spa. Best-in-class energy efficiency. Manual gas shut-off when service is required. Tough, rustproof exterior handles the heat and weathers the elements.
BrandPentair #ad
ManufacturerPentair #ad
Height30 Inches
Length36 Inches
Width25 Inches
Part Number460805
Model460805
Warranty2 years

5. Ecosmart US

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112.5 Amps with Self Modulating Technology, 27kW, 240 Volt, EcoSmart SMART POOL 27 Electric Tankless Pool Heater

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Ecosmart US #ad - 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. Compatible with eco smart remote Control. Activation flow - 12 +/- 2 GPM. Set it and forget it. Set your temperature digitally to increments of 1-Degree. Wattage: 270000 Flow Activation.
BrandEcosmart US #ad
ManufacturerEcosmart Water Heaters #ad
Height17 Inches
Length6 Inches
Weight24.25 Pounds
Width14 Inches
Part NumberSMARTPOOL27
ModelSmart POOL 27
Warranty2 year warranty from date of registration. Warranty registration must be received within 30 days of purchase. Warranty covers only the product with the exception of the heating elements. Labor and other incidentals are not covered.

6. Hayward

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Hayward W3HP21004T Pool Heat Pump, 95,000 BTU

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Hayward #ad - Durable injection molded UV-resistant body panels that are impervious to rust and deterioration. Acoustic compressor cover and profiled fan blade ensures quiet operation and efficient performance. Titanium heat exchanger designed for maximum heat transfer, efficiency and reliability. Ultra-gold corrosion resistant evaporator fin for extreme durability especially in coastal environments. 2in x 2 1/2in cpvc union plumbing connections - Common union for installation or service, adapts to larger plumbing recommended for greater efficiencies.
BrandHayward #ad
ManufacturerHayward #ad
Height41 Inches
Length38 Inches
Width29 Inches
Part NumberW3HP21004T
ModelW3HP21004T

7. Raypak

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Raypak 406,000 BTU Digital Electronic Ignition Propane Pool Heater

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Raypak #ad - 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. 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. 406, 000 btu propane digital pool and spa heater.
BrandRaypak #ad
ManufacturerRaypak #ad
Part NumberP-R406AEPC

8. Raypak

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Raypak 266,000 BTU Digital Electronic Ignition Natural Gas Pool Heater

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Raypak #ad - Smart microprocessor controls diagnostic read out and continuously monitors operating status. Digital control with liquid crystal display LCD for temperature selection and heater settings. High efficiency, Small footprint. Capron resin headers prevent rust stains from harming pool surface. Plumb directly from provided 2" PVC threaded union.
BrandRaypak #ad
ManufacturerRaypak #ad
Height0 Inches
Length0 Inches
Weight0 Pounds
Width0 Inches
Part Number70249
ModelPR266AENC

9. FibroPool

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FibroPool FH 220 Swimming Pool Heater Heat Pump

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FibroPool #ad - 240 volts- 60 hz American Voltage. Suitable for pools up to 7, 500 gallons in coastal climates. 20, 000 btu/hr heating capacity. 4. 85 cop. Best in its class. Suitable for ALL Hot Tubs.
BrandFibroPool #ad
ManufacturerFibropool #ad
Part NumberJ2-LCBA-XHOP

10. Hayward

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Tan, Hayward W3HP50CL Pool Heater

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Hayward #ad - Hot defrost gas valve ensures reliable operation at low ambient temperatures. Durable titanium heat exchanger provides exceptional corrosion resistance. Efficient rotary compressor and low-noise fan guarantee extremely quiet operation. Digital control panel displays temperature and allows for simple control of settings with intuitive keypad. The hayward w3hp50cl above-ground Heat Pump offers consistent, reliable heating for an extended swim season.
BrandHayward #ad
ManufacturerHayward #ad
Height29.4 Inches
Length42.5 Inches
Width16.9 Inches
Part NumberW3HP50CL
ModelW3HP50CL