Pentair 460737 MasterTemp review

Pentair 460737 MasterTemp is a propane gas pool heater that operates quietly and heats up quickly

Pentair 460737 MasterTemp
(Image: © Pentair)

Top Ten Reviews Verdict

The rotating digital display and user-friendly indicator make this gas pool heater easy to operate and monitor for performance. It’s quiet, compact and – best of all – it heats up quickly so you won’t have a long wait before you can take a dip.


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    Best-in-class energy efficiency

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    Low NOx emission

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    Digital display


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The Pentair 460737 MasterTemp 400K BTU Propane Gas High Performance Eco-Friendly Heater works quickly to increase the temperature of your pool. If you're looking for something easy to use with great results, then this might be the option for you. 

In this review, we'll be covering everything from the design of the Pentair 460737 MasterTemp to what users think of it in action. We've researched the latest portable generators, asked the experts, and sifted through thousands of specs, features to find the best pool heaters

Pentair 460737 MasterTemp: What you need to know

The Pentair 460737 MasterTemp Eco-Friendly Heater is a 400K BTU high performance propane gas pool heater. It’s certified for low NOx emission and outperforms industry standards. It has a rotating digital display for easy viewing and a tough, weatherproof and rustproof exterior. Fast and economical, it offers best-in-class efficiency and heats up quickly. Pentair is one of the top brands for pool equipment, and they also own Sta-Rite.

Pentair 460737 MasterTemp: Price 

This isn’t a cheap pool heater but you get what you pay for. Reviewers who’ve purchased it say they feel their money has been well spent. We think this is the best propane gas pool heater money can buy, especially if you’re looking for a quiet pool heater that will extend your pool season and ensure it heats up quickly, even when the weather gets colder.

If you want an even cheaper alternative, check out the SmartPool SunHeater S120U review. 

Pentair 460737 MasterTemp: Design & features 

For such a fast and efficient gas propane pool heater, this is impressively energy efficient. It’ll heat your pool quickly but is certified for low emissions. It’s also impressively compact for such a high performance heater. It’s sleekly designed with controls that are intuitive and easy to use, and its super quiet operation means you’ll barely notice it’s there. It's also built to last – the tough, rustproof exterior can both handle heat and cope with all weathers.

Pentair 460737 MasterTemp: Performance 

Pentair prides itself on design features that deliver lower operating costs, as well as easy operation and a long, dependable service life. Pool Supply Unlimited say engineers have made improvements to the Pentair 460737 MasterTemp 400K BTU Propane Gas High Performance Eco-Friendly Heater that add up to a better heater. Design changes such as easy-to-read controls make system operation and monitoring simpler –  pool temperatures can be pre-set and controlled at the push of a button.

Pentair 460737 MasterTemp: User reviews 

Pool Heater Reviews found this to be powerful pool heater that performs well. They say the price tag is a little off-putting at first, particularly when there are cheaper options out there. However one tester writes: “You will never feel like you’re throwing money away keeping your pool nice and toasty all the year round, and that’s thanks in large part to the efficiency rating that I would give to this heating system.”

Should you buy the Pentair 460737 MasterTemp? 

Yes, if you're looking for a high-performing propane gas pool heater that can quickly heat your pool to your desired temperature but which still has environmentally-friendly features such as low emissions and energy efficiency.

Still not convinced? Take a look at the EcoSmart Smart Pool 18 review and for ways to keep the heat in, don't miss the best solar pool covers

Heidi Scrimgeour

Heidi has written for an assortment of high profile publications, including Grazia, Red, and Mother & Baby magazine. She has a Masters degree from the University of Westminster, and works as a freelancer writer and copy editor.