The Master Temp heater is the most reliable heater from the heat exchangers to the control boards. They are the most efficient heater also. Parts are reasonably priced and easy to get, they are also easy to work on. The heater comes with a 1 year warranty on parts & labor. Pentair offers up to 3 years warranty on all equipment. The way this works is you get 1 extra year per equipment item installed at the same time, up to 3 years.
Master Temp heater ultra-high performance in a compact, quiet and eco-friendly design. Master Temp heaters offer all the efficiency, convenience, and reliability features you want in a pool heater, plus a lot more. As easy to use as your home heating system, plus user-friendly indicator lights make system operation and monitoring a snap. The compact design and super-quiet operation won’t intrude on your poolside leisure time. An Eco Select brand product Master Temp heaters offer best-in-class energy efficiency. Plus, they are certified for low NOx emissions, making them eco-friendly favorites.