Sta-Rite SR400NA Therm Pool And Spa Heater Review

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Sta-Rite SR400NA

Sta-Rite SR400NA Max-E-Therm Pool And Spa Heater, Natural Gas, 400,000 BTU


new from $3,026.60 as

of April 15, 2016 8:17 pm GMT

Buy this item NOW!
  • Lightweight – Lightest heater in its class
  • Compact Design – Ideal for retro-fit installation
  • Lower Operating Costs – 84% efficiency rating – rated 1st in its class for highest energy efficiency
  • Rustproof Housing Sleek, matte black enclosure is made of Dura-Glass – an exclusive Sta-Rite material that handles the heat and weathers the elements

Natural gas pool heaters are loved by many because they are very efficient in heating the pool all year round. They not only heat up fast, but are also less expensive to buy and install than other types of pool heaters. If you’re looking for a compact, powerful and efficient natural gas pool heater, Sta-Rite SR400NA is worth considering.

This egg-shaped heater has an 84% efficiency rating, which will significantly lower your energy bills and help you save money. It is also equipped with several advanced features like the Cupro Nickel Hea tExchanger and Hot-Surface Electronic Ignition among others, which enables it to do its work very efficiently. Here is a comprehensive Sta-Rite SR400NA review to help you determine if it’s the right one for you.

Performance of Sta-Rite SR400NA

Despite its small size, Sta-Rite SR400NA can heat large pools very fast. It doesn’t matter whether you’re using propane or gas, this heater is able to produce up to 400,000 BTU’s of heat and increase the temperature of a 30,000 gallon pool of water by 2 degrees every hour. After installation, just set up your preferred water temperature, wait for your pool to heat up, and enjoy swimming in a warm pool all year round.


High Energy Efficiency

With an efficiency rating of 84%, this compact and lightweight pool heater will significantly lower your energy bills and leaves more money in your pocket in the long run.

Cupro Nickel Heat Exchanger

The heater comes with a Cupro Nickel Heat Exchanger that is resistant to corrosion, making it great for use even in salty water pools.

Dura Glass Exterior

The heater’s sleek and matte black housing is made using Dura Glass, a thermoplastic resin exclusive to Sta-Rite that is capable of withstanding heat and other harsh weather conditions. This not only makes the heater more durable, but also rust resistant.

Hot-Surface Electronic Ignition

With SR400NA’s safe electronic ignition, you don’t need to worry about it leaking gas.

Digital LED Display and User-Friendly Control Panel

This gas pool heater is also equipped with a reasonably large digital LED display and user-friendly control panel that serves as its nerve center. With self-diagnostic capabilities, dual temperature readings and dual temperature controls, the display makes it effortless for you to monitor and adjust the water temperature in your pool.

Low Nox Emissions

You’ll also be happy to know that SR400NA Max-E is certified for low NOx emissions; hence it is very friendly to the environment.


Reduces Energy Bills and Saves Money – With an energy efficiency rating of 84%, SR400NA will significantly lower your energy bills and help you save money.

Super-Fast Heating – Within an hour, it is able to raise the temperature of a 30,000 gallon pool of water by 2 degrees.

Works Well In Salty Water – The heater’s Cupro Nickel Heat Exchanger is rust-resistant, making it equally effective in pools with salty water.

Besides having a compact and lightweight design, it is also very user-friendly and durable too.


There’s no doubt that this is one of the top performing pool and spa heaters. However, users wish that it had an auto-shut off feature that automatically shuts off the heating element 30 minutes before shutting off the pump. This way the heater gets to cool down properly.

Overall, Sta-Rite SR400NA is a compact and powerful that gets the job done efficiently and fast. It is highly recommended for every pool owner.

Last updated on January 17, 2018 12:50 pm GMT

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