Best Pool Heaters 400 000 Btu

Best Pool Heaters 400 000 Btu

A pool heater is able to heat up the water in a swimming pool, spa, and hot tub. It is made of electrical components, and it consists of an electrical heater that heats up the water. A pool heater is designed to heat the water in your swimming pool or spa by using electricity so that you can swim in warm water without getting cold hands and feet. If you have a heated tub or hot tub, you will need a separate unit for that purpose. There are several types of pool heaters available in the market today; they include electric and gas-fired models, as well as solar-powered ones among others.

Quick table with our top 3 picks:

Product
Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas
Hayward W3H400FDP Universal H-Series 400,000 BTU Pool and Spa Heater, Propane
Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas
Hayward W3H400FDP Universal H-Series 400,000 BTU Pool and Spa Heater, Propane
Product
Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
Product
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
Product
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

Top 10 Best Pool Heaters 400 000 Btu Reviewed

Bestseller No. 1
Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
  • Built to withstand various weather conditions, perfect solution for environments requiring efficiency, convenience and versatility.
  • Intermittent spark ignition pilot safety controls. Pilot only comes on when there is a call for heat.
  • 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-C
  • PLEASE NOTE: Item is unable to be shipped to state of California
Bestseller No. 3
Raypak 406,000 BTU Digital Electronic Ignition Propane Pool Heater
  • 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
  • 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
Bestseller No. 4
Pentair 460792 Stainless Steel MasterTemp Grey/Almond Heater 0-2999 Altitude, Natural 175-BTU
  • 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
  • MasterTemp is certified for low NOx emission and outperforms industry standards
Bestseller No. 5
Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas
  • 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.
  • 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.
SaleBestseller No. 6
Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Natural Gas Heater for Small Pools Up to 15,000 Gallons
  • GREAT FOR SMALLER POOLS: Natural gas heater boasts 125,000 BTUs, designed for smaller bodies of water up to 15,000 gallons
  • COMPACT AND EFFICIENT: Compact design with 82-percent efficiency as compared to larger pool heaters; Quiet operation makes sure not to impose on leisure pool time
  • THOUGHTFUL, USER-FRIENDLY DESIGN:: Rotating digital display allows for any installation rotation and is easy to read; User-friendly indicator lights allow for simple system operation and monitoring; Corrosion and UV-resistant housing deliver durable, lasting use
  • SAFETY FEATURES: Water pressure and stack flue sensor for overheat prevention, auto shut-off when the temperature exceeds factory limits, and manual shut-off for servicing; Certified for Low NOx emissions
  • SPECIFICATIONS: Voltage: 120/240V; Intake/discharge plumbing: 1.5-inch; 0.75-inch gas line up to 50 feet from source (not included); Dimensions (L x W x H): 31.5 x 21 x 23 inches; Weight: 80 pounds
Bestseller No. 7
Hayward W3H400FDP Universal H-Series 400,000 BTU Pool and Spa Heater, Propane
  • 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 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.
SaleBestseller No. 8
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
  • 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 11.5 x 8 x 3.75 inches
  • 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 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
Bestseller No. 9
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
Bestseller No. 10
Hayward W3H135FDP H-Series Pool Heater, Beige
  • Durable cupro nickel heat exchanger
  • Industry-leading hydraulic performance with faster speed-to-heat capability
  • Intuitive and easy-to-operate electronic panel
  • Exclusive "Totally Managed" cupro nickel heat exchanger water flow
  • Low NOx emissions—meets clean air quality standards

5 Things You Must Know While Choosing The Best Pool Heaters 400 000 Btu

  1. The wattage of the pool heater. A pool heater should be able to produce enough heat in your swimming pool or spa so that you can enjoy the water at a warm temperature. You can purchase a heater with a higher wattage if you have a larger swimming pool.
  2. The size of the pool and its requirements for heating up the water. A smaller pool may require less heat, while a larger one will need more heat to stay warm during the summer months when temperatures rise high in your area. If you have an above-ground swimming pool, then it is advisable that you invest in an electric model that is powerful enough to heat up your water; otherwise, you will end up using more electricity than required for this purpose. If the size of the swimming pool is not large enough for an electric unit, then it is better to opt for a gas-fired model instead since gas-fired models are less expensive compared to electric ones.
  3. The type of electrical outlet where your heater will be installed; some heaters are compatible with only certain types of outlets while others require universal plugs which should be included when purchasing one from any store or online seller so as not to face any inconveniences during the installation process. Even though there are other types of plugs that are compatible with different types of outlets such as GFCI (ground fault circuit interrupter) plugs, it is best that you buy a heater that is compatible with your current electrical outlet installation.
  4. The type of gas used in the heater. Some of the heaters use propane as fuel while others use natural gas or a mixture of both types. You should also make sure that your heater is UL listed if you want it to be safe to use in your swimming pool or spa; there are some heaters that are not UL listed and may leak hazardous gases when they malfunction or start malfunctioning at some point during their lifespan.
  5. The cost of the heater and its warranty period before you purchase it. Before buying any product, make sure to look for a good dealer who will offer a warranty on the pool heater so that you can be sure that it will not break down during its lifetime and cause harm to anyone using it because of faulty manufacturing processes and materials used in constructing it which can cause failure at any point during its lifespan such as when you least expect it to happen, causing serious injuries or accidents if someone uses such an appliance without proper caution and care around them so as not to risk being hurt by being electrocuted while using the appliance.

The Bottom Line

These are some of the most important factors to consider when you are deciding to buy a pool heater for your swimming pool and spa. If you follow this guide and get the right information from reliable sources, you will know what to look for in a pool heater so that you can make the right choice from among all of them and not end up buying something that is not safe for use around children or anyone who could be exposed to dangerous gases released by such an appliance.

Ruth Anderson knows all about the tech blog world. She's been blogging for years and has seen it all. She's an experienced writer who is always up for a new challenge.

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