The Best Hayward Pool Heater

hayward pool heater review

My best Hayward pool heater reviews explores these units features and benefits to ensure that you make an informed decision when buying one. There are hundreds of heaters out there from this brand, making it impossible to choose the best.

But you don’t need to worry because we have listed the best models that can save you energy and provide you with the service you desire.

Hayward Pool Heater Reviews – Top 5 Models

Here are the top five models of Hayward pool heaters that you can get on the market today.

1. Hayward Universal H-SeriesPool and Spa Heater – Propane Gas

The Hayward W3H150FDP is a propane gas model that provides up to 150,000 BTU to deliver premium heating. It is a system that you can depend on for years and was designed to last for decades. 

The heater has a cupro-nickel heat exchanger that comes in handy to guarantee effective transfer of heat to the water. Besides, the exchange ensures that your heater remains in top condition even under harsh pool chemicals. 

Another feature of this unit is the hydraulic design that helps to minimize circulation time to save you energy. It also has an intuitive control pad and front-panel-only access that assures smooth operation, maintenance, and service.

The model also meets the industry standards of low NOX emission to provide an environmentally friendly pool. It is also easy to handle when installing – no need for hiring a professional.

2. Hayward Universal H-Series Pool and Spa Heater – Natural Gas

If you like a natural gas model, then the Hayward W3H150FDN Natural Gas heater is the model for you. It comes with all the features present in the propane gas, and you can rest assured it is a durable unit. 

That means you get the cupro-nickel heat exchanger here that makes it possible to transfer heat more effectively. The exchange is also corrosion-free and does not suffer from premature failure due to pool chemicals.

Another feature is the industry-leading hydraulic that minimizes the circulation time to save you energy. You can be sure of low operation costs if you choose this unit to heat your pool or spa.

It also comes with the low NOx emission certificate that shows it meets the industry standards of low emission. You also take less time and effort when installing it.

3. Hayward Universal H-Series Pool and Spa Heater – Natural Gas

Another model that uses natural gas from Hayward is the H300FDN unit, and it provides up to 300,000 BTU. It is an ideal model for both the swimming pool and spa and its heat exchanger is made of cupro-nickel for reliability and value.

There is also a bypass valve and patented polymer header that helps to provide optimum hydraulic useful. What that means is that the water moves around faster than what most heaters would do.

Another feature is the universal design that makes it easier to install and fit most settings. You can also have peace of mind knowing that it is a low NOx emission unit that keeps the air in good condition.

The unit is also quite affordable when you compare it to other models in this review. You can have confidence knowing that you will get value for your money.

4. Hayward HP50TA HeatPro Titanium 50,000 BTU Heat Pump

Hayward HP50TA HeatPro is one of those few units that comes with profiled fan blade and acoustic compressor cover to assure quiet operation. The two features also combine to provide you with the efficiency that you have always wanted.

Another feature of this unit is the ultra-gold corrosion-free evaporator fin that makes the system to be quite durable. It is also a compact unit that can fit via gates and let you install it in a place with limited space.

The unit has a titanium heat exchanger that assures maximum heat transfer to provide reliability and efficiency. Its body is also UV-resistance to allow you to install it in pools with chemicals and remain stable.

It is a great model that also comes with a user manual that can help you to install and operate it. You can be sure of getting value for your money if you chose this unit.

5. Hayward HP21404T HeatPro Titanium 140,000 BTU Heat Pump

Here is a sturdy unit that provides up to 140,000 BTU to ensure fast and reliable cleaning. The model boasts of profiled fan blade and acoustic compressor cover that gives it quiet operation and effective performance.

There is also an ultra-gold corrosion-free evaporator fin that provides it with durability to ensure that you get value for your money. The model comes with a titanium heat exchanger that helps to transfer heat to the water without any problem.

Its body is UV-free, meaning that it won’t be affected by the sun or any other harsh conditions. The other notable feature is the round design that allows the heater to fit via gates and take less space.

You should try this model if you want a heater that can last for years without getting damaged. It is a product that was designed to provide value for the money.


Q: How to Winterize Hayward Pool Heater?

A: Follow these steps:

  • Turn the gas valve off
  • Turn the power off
  • Open the pressure valve 
  • Open the winterization port
  • Blow via the heater

Q: How to Use Hayward Pool Heater?

A: You can use Hayward pool heaters for various purposes like heating your pool, spa, or jacuzzi. Always remember to read the user’s manual before you install or start using these heaters.

Q: How to Clean Hayward Pool Heater?

A: Follow these steps:

  • Take the heater off the pool
  • Inspect the burner flames
  • Switch the burner off and let it cool
  • Remove the high-limit wires 
  • Remove the screws
  • Apply a degreaser to the exchanger
  • Reassemble the system 

Q: How to Fix Hayward Pool Heater?

A: Your Hayward pool heater can suffer from different problems and require you to solve them using various solutions. They include:

  • Dirty filter or pump basket that requires cleaning
  • High water flow that involves the installation of external bypass
  • Low gas pressure that requires you to increase it

Final Word

My best Hayward pool heater reviews have looked at the top five models that you can get on the market today. I have also looked at some questions and answers about these units to help you get an idea of how to maintain them.I hope you can now use your Hayward pool heater or buy one without any problem.

Leave a Comment

Your email address will not be published.