Pentair MasterTemp Natural Gas 400k Pool and Spa Heater (EC-462028). MasterTemp® Heaters offer all the efficiency, convenience, and reliability features you want in a pool heater, plus a lot more fast heat-up, compact design, super quiet operation, easy to use, and eco-friendly. Choice: MasterTemp® Heaters offer best-in-class energy efficiency. Plus, they are certified for low NOx emissions, making them eco-friendly favorites. Heats up fast so no long waits before enjoying your pool or spa. 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.
