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Are you looking for the best gas pool heater for your swimming pool? There are many brands in the market. Everyone wants the best value for his money. Do you also need the best natural gas pool heater, right? Since you come here, you need detailed information, including honest reviews. So, if you want to get a good product, don’t move.

The pool is an excellent place for swimming and enjoying yourself with your friends and family. But in the fall season, it is out of imagining spending time in cold water.

So, the best gas pool heater is essential to make your water warm. You need to choose the best natural gas pool heater that is more durable and reliable.

You should purchase a pool or spa heater that provides comfort not only in the fall season but also in all seasons.

Here, we have reviewed 10- best gas pool heaters. 100-percent honest reviews are provided to help you.

If you find a good value product, this will be our consummation. Quality material and new features are incorporated to build these heaters. To know all the information, let’s read the entire content.

1. Hayward H400FDN Universal H-Series Low Nox 400,000-BTU Natural Gas Pool Heater

Hayward H400FDN Universal H-Series

If you are planning to buy the best natural gas pool heater from a renowned company then the Hayward can be a perfect solution for you. The H400FDN is a powerful and result driven pool heater in the market today.

Best Features of Hayward H400FDN Universal Gas Pool heater

Hayward is one of the best famous brands in the pool heater industry. The Hayward H400FDN Universal H-Series is the top-rated selling product of the pool heater. It comes with lots of technology, such as corrosion-resistant heat exchangers, stainless steel burners, and insulated fire tile combustion chambers.

Superior Hydraulic Performance

The Hayward heater is featured with a cutting-edge patented polymer header, which is combined with a bypass valve to increase hydraulic efficiency.

The hydraulic system provides superior performance. It saves energy and protects from the harmful effects of corrosion due to high flow conditions. 

Forced Draft System

At a precise flow rate, air continually moves through the combustion chamber by the forced draft system.

It can perform even in heavy wind conditions. Heating performance can be affected easily due to Parameters. 

Art Finn Plate Heat Exchanger with Cupro Nickel

Highly resilient Cupro Nickel metal is used to construct all the Hayward heat exchangers. It offers the best valve, long life, and fast heating capability.

Easy-to-read L.E.D. Control Panel

The overall performance of the Hayward is monitored through the LED. Control Panel monitors. It features the temperature readout option. The diagnostics capability of LED Panels also helps to quick identification of harmful components.

Why should you buy Hayward H400FDN Universal H-Series?

1. The Hayward is constructed with the power unit, i.e., 400,000 BTUs. It can heat a 20000 to 40000-gallon pool quickly. So, if your pool doesn’t get a sufficient amount of sun, it will be your ideal choice.

2. H400FDN Universal is reliable and durable. It can last a long time, even in saltwater. You will also be able to set it up in the aggressive or high flow water chemistry.

3. The Hayward H-Series Heaters are incredibly versatile. Though they are delivered right-side by default, you can configure water, gas, and electric connections on either the right side or left.

4. It heats the gas heater very fast. The device increases temperature 45 to 80 degrees within 12 to 18 hours.

Pros

  • It is a reliable, dependable, and safe pool heater
  • Provide clean air, maintaining quality standards
  • It damages less from salt, high chlorine, and low pH
  • Heat a gas heater quickly
  • It boasts higher heating efficiencies
  • It can heat up to the desired temperature level
  • Accurate and clear display
  • It is easy to install and use
  • Takes minimal effort to winterize and startup
  • Extremely eco-friendly with low NOx emissions

Cons

  • Makes sound, especially at night.

2. Raypak 014779 PR106AENC 105000 BTU Natural Gas Pool Heater

Raypak 014779 PR106AENC 105000 BTU

Nothing can be good than the swimming in warm water in the winter. To warm up the pool you need a high-quality, powerful and the best gas pool heater.

It has a great capacity to warm the entire pool water within a short time. That means you do not have to wait a long to enjoy the warm water.

The Raypak 014779AENC is a powerful and high-quality pool heater in the market today.

Best Features of Raypak 106A 105000 BTU Natural Gas Pool Heater

To extend your swim season, you need to add the best natural gas pool heater to your above ground pool. The Raypak heater is an electronic ignition heater.

It is designed with an analog control feature. Without fans, you can overcome drafting problems.

Sturdy design

Raypak is designed beautifully to reduce emissions of NOx. The Raypak’s galvanized metal exterior is coated in a polyester powder paint layer, which is non-corrosive, prevents rust, and durable.

The heater’s design can prevent different types of interference of the environment, including airborne debris, wind, and precipitation.

The Raypak also includes a Unitherm Governer, which reduces soothing, condensation, and scale buildup.

All-Copper-Fin-Tube Heat Exchanger

A single piece of extruded copper is used to construct the Raypak heat exchanger.

The heater is 3- foot long. For convenience, the 3-prong power cord is added in the best gas pool heater, which is also very hard weird.

Ceramic fiber combustion

You can run the device by providing only 110 Volt or 240 Volt Electricity. The ceramic fiver box helps keep the heat in and keep the heater’s outer side cool.

Why should you buy Raypak 106A 105000 BTU Natural Gas Pool Heater?

1. The Raypak 106A provides uninterrupted performance in all adverse weather conditions. It can generate heats in airborne debris, updrafts, rain, high wind, downdrafts, falling leaves, sleet, snow, etc.

2. The polymer-coated heater of the Raypak prevents rust stains from the pool or spa surface.

3. The Raypak features an automatic water bypass system. For handling different Gallons per Minute, the heater is enabled enough. There is no need to adjust the flow rate manually.

Pros

  • Well-designed
  • Provides solid connections
  • It contains a smarter self-diagnostic function
  • It contains a waterproof exterior

Cons

  • Runs on only natural gas, not Propane

3. Sta-Rite SR400LP Max-E-Therm Pool And Spa Heater, Propane, 400,000 BTU

 Sta-Rite SR400LP Max-E-Therm

If you are seeking for a powerful pool heater then the Sta-Rite SR400LP is an ideal choice for you. It is one of the best gas pool heater in the market because of its superior performance as well as durability.

Best Features of the Sta-Rite SR400LP Max-E-Therm Pool Heater

The Sta-Rite 400,000 BTU is one of the best natural gas pool heaters. It comes with temperature safety lockout, LED temperature readout with dual thermostat controls, pre-mixed air and gas combustion technology, a rustproof exterior, and a 6-position control panel.

The Sta-Rite 400,000 BTU Pool Heater can heat the large pool much faster.

Well-built

The Sta-Rite is built with the perfect blending of composites. The rustproof material is avoided to make the pool heater, which extends the longevity of this product.

The design is very reliable and durable, which is constructed with exterior Dura-Glas technology. You can swim all seasons comfortably.

LED control panel

The large LED display comes with self-diagnostics features. Easy to monitor and easily adjusts to the temperature of swimming pool water.

Super-efficient

The SR400LP Max-E-Therm Pool offers 84% efficiency, which gives a user much enjoyment.

Great Heating capabilities

The Sta-Rite comes with great heating capabilities. It can generate 400,000 BTU heats very quickly. It can heat a large pool in just a few hours.

Why should you buy The Sta-Rite 400,000 BTU?

1. Sta-Rite is one of the most popular pool heaters. It comes with advanced technology, compact design, and super-efficient power.

2. The rustproof Dura-Glas construction offers reliable design, as it is coupled with manifold and PVC union connections.

3. It can heat a larger pool within a short time.

Pros

  • Small and Lightweight, only 138 pounds
  • Compact design
  • Super-efficient
  • Durable construction
  • Easy to install
  • Best suited for retrofit installations on pools
  • Easy-to-use LED control panel
  • Lower operating costs
  • Good value for the money

Cons

  • A bit noisy than smaller heaters.

4. Raypak 014784 Polymer Headers Natural Gas P-R156A-EN-C Heater

Best gas pool heater

The Raypak 014784 Polymer natural gas pool heater is one of the leading heater in the market because of its top-notch performance as well as quality. If you are thinking of purchasing a gas pool heater then it is going to be a great solution for you.

Best Features of the Raypak 014784 Polymer Headers

The Raypak 156A is the ideal choice for using in spas, larger above-ground pools, and in-ground pools. Compared to its competitors, the 156 offers 50% more BTU’s yet.

PolyTuf Textured Powder Coating

The Raypak 156A gas heater is constructed with non-corrosive cabinet and polyester-coating. The polyester coating is more durable than waterborne-coated and solvent-borne metal cabinets. Its powder paint contains a strong bond.

Yet, every coated sheet metal also passes the 7-stage wash system. A beautiful finish is given underneath the galvanized metal that prevents rust and provides long-lasting service. 

Wind-Resistant Design

It doesn’t require any fans to combat drafting problems. It is designed perfectly for outdoor setups. Critical thoughts are incorporated so that any harmful substances cannot damage it.

It can provide uninterrupted heating services in all weather conditions considering wind, airborne debris, falling leaves, airborne debris, rain, updrafts, downdrafts, sleet, snow, sleet, etc.

Polymer Headers

Contain polymer headers that can protect your pool or spa surface by preventing rust stains. By using this device, you can enjoy your swimming years after years without facing any hassles.

All-Copper-Fin-Tube Heat Exchanger

A single piece of extruded copper is used to create each fin tubes of the heat exchanger. It can transfer the maximum amount of heat and also maintain the level of heat.

This integral-fin design allows the device for the maximum amount of heat transfer capability. For ergonomic construction and rust-free service, Raypak is made with thick stainless steel tube sheets.

Control options

The control units come with a standard 3 foot, 3- prong power cords. The AFT digital control protects the heater, operates all the safety functions, and handles flame supervision and electronic ignition. It generates a pilot on-demand only through 120VAC or 240VAC powers.

2″ Water Connections

For ensuring your installation more secure and effortless, Raypak 156A heater is supplied with a set of 2″ flange connections. 

Automatic Bypass

To adjust your flow rates, a standard water bypass is added to handle various GPM’s automatically. Due to cold water, condensation can occur in the tubes. The bypass keeps the flow rate constant by reducing condensation in the tubes.

Burner Tray

Burner tray is used in the heat-sensitive area. That’s why it is made with stainless steel or aluminum metal for long-lasting services. The innovative design of the Raypak allows you to remove the tray easily.

Why you should buy Raypak 014784 Polymer Headers?

1. A ceramic fiber combustion box that continues the heating efficiently and simultaneously keeps the outer jacket cool. After turning off the heater, the space-age material doesn’t contain heat. So, you need not buy costly metal heat sinks to install it.

2. The Raypak provides the highest amount of efficiency to heat your pool very quickly.

3. The BTU’s of Raypak heats-up quickly. It gives you a long time to swim. You can open your swimming pool early and close it later while using the Raypak 156A pool heater.

Pros

  • Sublime design
  • Quicker heat-up
  • Easy to control and install
  • Long-lasting, durable, and reliable
  • Lightweight, only 125 pounds
  • Available for Propane or natural gas        

Cons

  • In Low NOx levels areas, it does not maintain the emissions regulations.

5.Raypak Digital Swimming Pool and Spa Heater – 156,000 BTU – Natural Gas

Best Natural gas pool heater

The Raypak is suitable for both pool and spa. If you own a pool or spa then it is going to be a fantastic heating machine for you.

If you don’t want to compromise the quality as well as looking for a pool heater which can be used in several ways then it will be an ideal heating machine for you.

Best Features of the Raypak Digital Swimming Pool and Spa Heater

Raypak is one of the well-known brands in the industry of pool heater. You can use this heater in your spa, ground pool, and above the pool.

Two or three-wire remote controls

This digital swimming pool is excellent for use in spas, above-ground pools, and smaller in-ground pools because of its two or three-wire remote controls. When you use a remote, the control panel remains the state.

Automatic bypass valve

An automatic water bypass valve is also added. It plays a role in the wide variety of fields, such as reducing condensation, controls water flow, soothing, scale buildup, and also makes able the Raypak work with various range of pipe sizes.

Polymer header

The header is built with a rust-free polymer that coupled with a heat exchanger.

For maximum lifespan and easy servicing, the heat exchanger is paired with stainless steel tube sheets and an integral copper-finished tube. The stainless steel tube burns itself and keeps the heater safe and clean.

Onboard diagnostics system

The Raypak features onboard diagnostics system, which notifies the users when the problem arises and allows the users to check it easily. Users can also check the strength of the flame and run time of the pool heater.

Control Options

There are two different ignition systems: digital electronic ignition and millivolt design.

The millivolts can burn the pilot continuously using thermocouple without external power. For generating the pilot on-demand, the electronic ignition requires 120 or 240VAC.

The Raypak features a standard 3-prong power cord, which easily converts 220v. It protects the heater and handles safety functions precisely.

Why should you buy the Raypak Digital Swimming Pool and Spa Heater?

1. Raypak Digital heaters are found with the low NOx gas emission that is environment friendly.

2. The stainless steel gas burner is ideal for efficient, clean gas burning and self adjust the flame.

3. You will see the heater is running through digital display. When any problem is detected, it will notify you. So, you need not confuse by seeing codes.

Pros

  • It boasts 150,000 BTU output quickly
  • Great for use indoor or outdoor
  • It operates smoothly
  • Easy to servicing and maintenance
  • Explains errors clearly in plain English for easy troubleshooting
  • 1-year warranty

Cons

  • Some users complain not long lasts.

6.Hayward W3HP21404T Pool Heater, 140,000 BTU, Tan

Hayward W3HP21404T

The Hayward W3HP2140T is an energy-efficient and super quiet gas pool heater today. If you do not like noise and looking for an optimum performing heating machine for your pool then unquestionably the Hayward W3HP2140T is a perfect choice for you.

Best Features of the Hayward W3HP21404T Pool Heater

The Hayward W3HP21404T is the best gas pool heater for swimming for mid-size pools. It is an engineered, innovative way to protect the product from the hot and humid climates.

Advanced technology

The Hayward is equipped with multiple features such as a titanium heat exchanger, injection-molded cover panels, and Ultra-Gold evaporator fins. They are anti-corrosion and stable against high heat and humid weather.

LED display

The LED helps to control the overall performance of the Hayward. It provides the easiest digital temperature settings and status readouts. The diagnostics capability of LED Panels also helps to quick identification of components.

Titanium counter-flow heat exchanger

The heat exchanger is made of titanium. It also helps to transfer the maximum amount of heat in saltwater.

Super-efficient

The Hayward Heat Pro 140,000 BTU generates heat quickly using 80 percent less energy than other gases heaters. The Hayward HeatPro maintains the temperature of water at all times.

Why should you buy a Hayward W3HP21404T Pool Heater?

1. The Hayward HeatPro is chemical corrosion-resistant, durable even in harsh coastal climates. So, this durable, reliable pump is suitable to use in your pool, as it helps greatly to extend the swimming season.

2. Its titanium heat exchanger provides a huge amount of heat that is essential for spending a long time in your pool.

3. It is constructed with heavy-duty scroll compressors and profiled fan blades, resulting from offers you relax, fun, and enjoyment as it doesn’t produce much noise.

Pros

  • Extremely durable
  • Energy-efficient and offers high performance
  • It is made with anti-corrosion construction and materials
  • Impervious to corrosion and deterioration
  • It can use safely in saltwater pools
  • Adjust in harsh and coastal environments
  • Best suited for ground pools
  • Noise-free while running

Cons

  • Outer panels are a bit sturdy
  • 6- feet of overhead clearance is needed

7. Hayward – H2501C H-Series Natural Gas heat pump- 250,000 BTU for swimming pool

Best gas pool heater

The Hayward – H2501C H-Series Natural Gas heat pump is for those who are looking for a machine which has a great a capability to heat the pool water within a moment. It is one of the best gas pool heater in the market because of outstanding performance and fast heating ability.

Best Features of the Hayward H2501C H-Series Natural Gas heat pump

The Hayward H-series heat pump is one of the best natural gas pool heater for use in the swimming pool. It comes with modern equipment and innovative design. This fantastic heater is worthy of buying.

Highly resilient Cupro Nickel Heat Exchanger

Heater may damage due to the high-flow of water, and chemical imbalances. Cupro Nickel is a durable metal that protects the heater from damaging effects of erosion.

The superior Cupro Nickel improved the durability and enhanced the longevity of the heater. The Hayward H-Series heater features a Cupro Nickel Heat Exchanger.

So, it is super durable against heat and saltwater. Cupro Nickel is paired with an improved flow rate for additional safety.

Better performance

The heating capacity of the Hayward H-series is 250,000 BTU. They heat the water fast and keep the water warm for a longer time.

Polymer header: The header is made with the polymer to protect the product from damaging effects caused by high flow conditions.

Why should you buy the Hayward H2501C H-Series Natural Gas heat pump?

1. Extra safety measurements ensure the Hayward H-series. So, it is more reliable to use.

2. The H-series comes with super-efficient capacity, which heats the pool very quickly.

3. Due to its Cupro-Nickel heat exchanger, it is suitable to use in all harsh conditions.

Pros

  • Great heating capacity and heats fast
  • Improved quality material is used
  • Durable and long-lasts
  • Rust resistant
  • Effortless to install and maintain
  • It has CPVC plumbing capabilities

Cons

  • Need a Licensed Gas technician to set up for safety purposes

8. Zodiac Jandy LXi LXI250N 250K BTU Natural Gas Polymer Header Pool and Spa Heater

Zodiac Jandy LXi LXI250N

The Zodiac is one of the leading brand in the swimming pool industry because of their high-quality and innovative products. The Zodiac Jandy LXi LXI250N 250K BTU Natural Gas pool heater is one of their greatest innovation.

It is high-powerful and gas heating machine which heats the pool and spa water within a moment. If you are looking for a fast heating capable pool or spa water heater then it is a little bit hard to find the better alternative than the Zodiac Jandy LXi LXI250N.

Best Features of the Zodiac Jandy LXi Natural Gas Polymer Header Pool

Zodiac Jandy is the best natural gas pool heater to heat your pool and spa. As natural gas is used to run this Jandy LXi, it will increase your confidence while swimming.

Eco-friendly design

The Zodiac Jandy LXi is designed by keeping in mind the issues of environmental safety. It doesn’t hamper the environment much so you can use it confidently.

All the features, like fan-assisted combustion, Low NOx, and Hot Surface Ignition systems are incorporated perfectly to provide you maximum performance in all weather conditions.

C-Fin heat exchanger

For minimizing operating costs, the heat exchanger of Jandy Lxi is made with C-Fin. It provides greater savings as well as highly efficient. By paying a minimum cost, you can keep your pool warm.

The heater makes an easy connection to the automatic valve system, Zodiac controls, and other pool/spa automation systems.

Rich control panel

For easy operation, the control panel is equipped with a simplified menu and a user-friendly backlit display. Its one-touch automation system helps to switch simply from pool to-spa.

Polymers header

The header is made with lightweight polymer, which protects the device greatly against damaging substances.

Highly powerful capacity

The heating capacity of the Zodiac Jandy is 250,000 BTU. They heat the water quickly. Will meet your demand and keep the water warm for a longer time.

Why should you buy Zodiac Jandy LXi Natural Gas Polymer Header?

1.Jandy LXi heaters emit Low amount of NOx. So, using Jandy is healthy for your pool.

2.The Jandy is equipped with high-quality material which provides longevity services.

3.The Zodiac is highly efficient. Though it is built with minimum operating costs, it provides excellent services. Thanks to its manufacturer.

Pros

  • Highly efficient
  • It is heating your pool at a low cost
  • It emits lower NOx
  • Easy to connect with other equipment
  • Lightweight polymer header
  • Great power capacity

Cons

  • None

9. Raypak PR266AENX Natural Gas Pool Heater Cupro-Nickel44; 266K

Best gas pool heater Raypak PR266AENX

Raypak heater is the best natural gas pool heater in the market. This natural gas heater comes with a digital ignition to ensure your safety. It is suitable for use in the spa and ordinary pool, offers you years of untroublesome swimming pleasure.

Best Features of the Raypak PR266AENX Natural Gas Pool Heater

Innovative design

The Raypak 266k is designed carefully to protect it from all types of adverse weather conditions, such as wind, airborne debris, falling leaves, rain, updrafts, downdrafts, snow, sleet, etc. It is produced to offer customers long-lasting services.

Cupro Nickel heat exchanger

Cupro Nickel is the best metal that protects the heater from damaging effects of erosion and resists the product against fluctuating or aggressive water chemistry.

LCD Digital Display

LCD Digital display is used in the Raypak heater. This will provide you accurate temperature readings and show you a problem in the control circuit.

Polytuff Powder Coating

The Raypak gas heater is constructed with non-corrosive cabinet and polyester-coating. This construction is more durable than solvent-borne metal cabinets and waterborne-coating. 

Polymer Header

Header is made with polymer resin, which prevents the accumulation of rust stains on your heater and keeps your pools surface safe and clean.

Why should you buy Raypak PR266AENX Natural Gas Pool Heater?

1. It provides long-lasting services in all weather conditions. It can work greatly in salt-containing water. The lifespan of the heater is long.

2. Microprocessor controlled thermostat is used significantly to fix your temperature easily. Just need to turn up or down the temperature button.

3. It will keep your pool rust-free.

4. Remote systems feature that can connect any two or three-wire remote for added convenience. 

Pros

  • Smart design
  • Wind resistant and can operate in downdrafts
  • Provide accurate temperature readings
  • It can set your temperature precisely by simply pressing
  • Prevent rust stains
  • Reduce condensation greatly
  • In the heat exchanger, water keeps above 105F
  • Protect against bad water chemistry
  • It has high flow rates- up to 125 gallons per minute
  • CPVC 2″ connections for effortless and secure installation

Cons

  • None

10. Raypak 014951 266000 BTU Digital Propane Gas Pool Heater with Cupro Nickel

Best natural gas pool heater

The Raypak Digital Heater offers durable and lasts long services. By providing the best heat for your pool and spa, you can increase your swimming seasons several times over.

The Raypak is the best natural gas pool heater for in-ground pools, larger above-ground pools, and spas.

Raypak 014951 266000 BTU Digital Propane Gas Pool Heater Features

PolyTuf Textured Powder Coating

The Raypak gas heater is made with polyester-coated, non-corrosive cabinet. The polyester-coated is more durable compared to waterborne-coated and solvent-borne metal cabinets.

The powder paint contains a strong bond. Also, every coated sheet passes the 7-stage wash system.

A beautiful finish is given underneath the galvanized metal that prevents rust and provides long-lasting service. 

Wind-Resistant Design

It doesn’t require any fans to combat drafting problems. It suits perfectly for outdoor setup. Critical thoughts are incorporated so that any harmful substances cannot damage it.

It can provide uninterrupted heating services in all weather conditions considering wind, airborne debris, falling leaves, airborne debris, rain, updrafts, downdrafts, sleet, snow, sleet, etc.

Control Options

There are two different ignition systems: digital electronic ignition and millivolt design. The millivolt can burn the pilot continuously using thermocouple without external power.

For generating the pilot on-demand, the digital electronic ignition requires 120 or 240VAC. The Raypak comes with a standard 3-prong power cord.

This cord can convert to 220v as well. Also, it protects the heater and handles safety functions precisely.

Why should you buy Raypak 014951 266000 BTU Digital Propane Gas Pool Heater?

1. The Raypak Digital propane gas comes with a unique Pagoda design that keeps the heater active in adverse weather conditions.

2. Non-corrosive and prevent rust stains greatly that offer you rust-free pool surface.

Pros

  • It lasts long
  • Easy to use and operate
  • Unique pagoda design
  • It stays active in harsh weather conditions
  • Effective during high wind speeds and downdrafts
  • Stand up against harsh pool chemicals
  • Prevent rust stains on your pool’s surface
  • Conserve gas usage
  • Save user’s money

Cons

  • Users sometimes find a “rollover switch open” error

Summary

I believe after reading this article, you have found your desired product. There are many factors to consider when deciding to buy the best gas pool heater regarding pool size, efficiency, durability, heat exchanger, and control panel.

A quality gas heater can heat a large body of water very quickly. Best gas pool heaters, usually operated by gas like natural gas or Propane, are much more effective and powerful.

They are often able to achieve a higher temperature than electrical models. They are less expensive and also are not harmful to the environment.

So, choose the best natural gas pool heater from above to stay safe as well as to keep the environment fit.

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