MasterTemp® offers 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. Heavy-duty (HD) unit with cupro-nickel exchanger stands up to the harshest of applications, like low pH, high flow or heavy use. FEATURES
Heats up fast so no long waits before enjoying your pool or spa
Best-in-class energy efficiency*
Manual gas shut-off when service is required
Eco-friendly MasterTemp® is certified for low NOx emission and outperforms industry standards
Rotating digital display allows for easy viewing
Tough, rustproof exterior handles the heat and weathers the elements
Note: The MasterTemp Heater is certified for Low NOx emissions. * Standard Copper Heat Exchanger 84% Efficient. Heavy-duty (HD) Cupro-Nickel Heat Exchanger 82% Efficient.