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17 Best 400k Btu Pool Heater to Buy Now (Bestseller & Top Picks)

For all types of best 400k btu pool heater, an essential thing to make a rough assessment of their credibility and safety is the information about the manufacturer. However, this is still not enough! We also aggregate 2,381 of consumer reviews for the complete information! You wonder which best 400k btu pool heater to buy. Check out our 17 best 400k btu pool heater choices that can help you make your decision more easily. Best best 400k btu pool heater of 2024 from brand: Raypak, Hayward, Sunluway, Pentair, Zodiac, DNYSYSJ.

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Showing 1 - 10 in 17 results

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1

Raypak 406,000 Btu Digital Natural Gas Pool Heater with Cupro Nickel Ray-014941

Raypak 406,000 Btu Digital Natural Gas Pool Heater with Cupro Nickel Ray-014941

SCORE
9.0
AI Score

Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.
Brand
Raypak

Pagoda design ensures heater stays active in harsh weather conditions
Part Number: 014941more

2

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

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

SCORE
8.8
AI Score

Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.
Brand
Raypak

Space-age material means the heater won't retain residual heat after it is turned off, allowing it to be installed without the use of costly metal heat sinks.
Part Number: 009219 | Model Number: P-R406A-EN-Cmore

3

Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

SCORE
8.6
AI Score

Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.
Brand
Hayward

BEST FOR: In-ground pools and spas with a surface area up to 1,200 ft. where natural gas is available. Its low environmental impact makes it ideal for pools and spas located where low-NOx emissions are required.
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.more

4

Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

SCORE
8.6
AI Score

Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.
Brand
Hayward

CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
EASY-TO-USE: Intuitive front control panel provides easy operation, service and maintenance.more

5

Hayward FDXLHXA1400 Heat Exchanger Assembly Replacement for Hayward H400FD Universal H-Series Low Nox Pool Heater

Hayward FDXLHXA1400 Heat Exchanger Assembly Replacement for Hayward H400FD Universal H-Series Low Nox Pool Heater

SCORE
8.6
AI Score

Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.
Brand
Hayward

Country Of Origin: United States
2Inch X 2 1/2 Inch Civic Union Plumbing Connections; Weight 48.5 Poundsmore

6

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

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

SCORE
8.4
AI Score

Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.
Brand
Hayward

ENERGY SAVINGS: The efficient, industry-leading design reduces circulation pump run time to provide energy savings.
CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.more

7

Raypak 406,000 BTU Digital Electronic Ignition Propane Pool Heater

Raypak 406,000 BTU Digital Electronic Ignition Propane Pool Heater

SCORE
8.2
AI Score

Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.
Brand
Raypak

Features PolyTuf powder coating, polymer headers, and an all copper-fin-tube heat exchanger
Microprocessor-controlled thermostat can be set precisely to your liking , set it and forget itmore

8

Hayward W3H135FDN H-Series Pool Heater, Beige

Hayward W3H135FDN H-Series Pool Heater, Beige

SCORE
8.2
AI Score

Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.
Brand
Hayward

Exclusive "Totally Managed" cupro nickel heat exchanger water flow
Intuitive and easy-to-operate electronic panelmore

9

IDXL2DB1930 Swimming Pool Heater Display Board, For Hayward H350FDP, Compatible with Universal H-Series Induced Draft Heater models H250IDL2, H350IDL2, and H400IDL2

IDXL2DB1930 Swimming Pool Heater Display Board, For Hayward H350FDP, Compatible with Universal H-Series Induced Draft Heater models H250IDL2, H350IDL2, and H400IDL2

SCORE
8.0
AI Score

Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.
Brand
Sunluway
Prime

100% Satisfaction Guarantee: If you're not 100% satisfied with our , please feel free to contact us, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty
Compatible models: This display board is designed to use with Hayward Universal H-Series Low NOx Heater models H350FDP, Compatible with Hayward Universal H-Series Low NOx induced draft heater models H250IDL2, H350IDL2, and H400IDL2.more

10

Raypak 014952 336000 BTU Digital Propane Gas Pool Heater with Cupro Nickel

Raypak 014952 336000 BTU Digital Propane Gas Pool Heater with Cupro Nickel

SCORE
7.4
AI Score

Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.
Brand
Raypak

Model Number: P-R336A-EP-X
Part Number: 014952more

Last update on 2024-05-10 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

4.3

3 ratings