Top 10 Best 400 000 Btu Natural Gas Pool Heater [2022]

Last Update:

Our team studied on 52972 reviews available online for 400 000 Btu Natural Gas Pool Heater, chose the finest ones and prepared 400 000 Btu Natural Gas Pool Heater Reviews for you. It was very difficult to shortlist the ideal 400 000 Btu Natural Gas Pool Heater from thousands of products online. However, We tried to make sure that you get only the Best 400 000 Btu Natural Gas Pool Heater from our suggestions. Check our listings-:

Best 400 000 Btu Natural Gas Pool Heater

Best 400 000 Btu Natural Gas Pool Heater

52972 number of user reviews were available online, which we scanned to find the 400 000 btu natural gas pool heater. Hopefully, our experts suggestions available in this article will help you find your ideal choice.

Comparison Chart of Top 10 400 000 btu natural gas pool heater

NoProductScoreAction
1Mr. Heater Corporation F299831 Vent-Free 309.8Buy On Amazon
2Raypak 336, 000 BTU Digital Electronic Ignition Propane Pool Heater9.4Buy On Amazon
3Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater9.2Buy On Amazon
4Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater9Buy On Amazon
5Raypak 406, 000 Btu Digital Natural Gas Pool Heater with Cupro Nickel Ray-0149418.8Buy On Amazon
6Raypak 406, 000 BTU Digital Electronic Ignition Natural Gas Pool Heater8.4Buy On Amazon
7Hayward W3H250FDP Universal H-Series 2508.4Buy On Amazon
8Hayward W3H400FDN Universal H-Series 4008.2Buy On Amazon
9EcoSmart ECO 11 Electric Tankless Water Heater8.2Buy On Amazon
10Mr. Heater 30, 000 BTU Vent Free Blue Flame Natural Gas Heater MHVFB30NGT8.2Buy On Amazon

1. Mr. Heater Corporation F299831 Vent-Free 30

  • 30,000 BTU Natural Gas heater. Heats up to 1000 square feet
  • Radiant heat burner
  • Automatic low oxygen shut-off system (ODS). CSA Certified
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.
  • Theromostat, legs and wall mounting hardware included

2. Raypak 336, 000 BTU Digital Electronic Ignition Propane Pool Heater

  • 336,000 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
  • 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

3. Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater

  • 50,000 BTU per hour heats up to 1250 sq. ft.
  • Powered exhaust allows for vertical or horizontal venting
  • Easy outside access to thermostat and A/C terminals and gas connection
  • Natural Gas to Liquid Propane conversion kit and 2 angle brackets for ceiling mount included
  • Minimum 8 ft clearance from floor to base of heater required; Limited 3 year warranty on parts and burners and 10 year warranty on any defects in the heat exchanger.

4. Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater

  • Your purchase includes One Mr.
  • Heater dimensions – 29.
  • For use with natural gas | Category 1 vertical, category 3 horizontal venting
  • Powered exhaust allows for vertical or horizontal venting | Spark ignition features self-diagnostic control module.
  • This heater offers the operating versatility and safety that you have come to expect from Mr.

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

  • Part Number: 014941
  • Model Number: P-R406A-EN-X
  • Cupro-nickel gas pool and spa heater
  • Pagoda design ensures heater stays active in harsh weather conditions
  • Microprocessor controlled thermostat

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

  • Part Number: 009219
  • Model Number: P-R406A-EN-C
  • LCD digital display provides accurate temperature
  • Monitors operational status as well as service diagnostics
  • PLEASE NOTE: Item is unable to be shipped to state of California

7. Hayward W3H250FDP Universal H-Series 250

  • BEST FOR: In-ground pools and spas with a surface area up to 750 ft.
  • PREMIUM PERFORMANCE: The Hayward Universal H-Series 200,000 BTU Propane Heater delivers premium heating performance for years of reliable, long-lasting comfort.
  • CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
  • 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.

8. Hayward W3H400FDN Universal H-Series 400

  • 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.
  • CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
  • 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.

9. EcoSmart ECO 11 Electric Tankless Water Heater

  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.

10. Mr. Heater 30

  • 30,000 BTU Natural Gas heater to heat spaces up to 1000 square feet
  • Blue flame burner for even convection heat.
  • Automatic low oxygen shut-off system (ODS). CSA Certified
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.
  • Fuel Type:Natural Gas.Not for use in bathrooms, bedrooms, or recreational vehicles
  • Thermostat for automatic temperature control

400 000 Btu Natural Gas Pool Heater Buying Guide


Does the thought of finding a great 400 000 Btu Natural Gas Pool Heater stress you out? Has your mind been juggling between choices when it comes to buying 400 000 Btu Natural Gas Pool Heater in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect 400 000 Btu Natural Gas Pool Heater for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about 400 000 Btu Natural Gas Pool Heater Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best 400 000 Btu Natural Gas Pool Heater in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volaume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best 400 000 Btu Natural Gas Pool Heater currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top 400 000 Btu Natural Gas Pool Heater brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top 400 000 Btu Natural Gas Pool Heater based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the 400 000 Btu Natural Gas Pool Heater before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the 400 000 Btu Natural Gas Pool Heater they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good 400 000 Btu Natural Gas Pool Heater, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your 400 000 Btu Natural Gas Pool Heater before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable 400 000 Btu Natural Gas Pool Heater will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good 400 000 Btu Natural Gas Pool Heater if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated 400 000 Btu Natural Gas Pool Heater on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our 400 000 Btu Natural Gas Pool Heater on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any 400 000 Btu Natural Gas Pool Heater featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.