Mastertemp Pentair Mastertemp ASME Heater, 400,000 BTU, Natural Gas, Low Nox

Pentair Mastertemp Heater provides quiet, efficient heating for your pool and spa. It flaunts a compact design that ensures the heater does not intrude on your pool space. A pre-mixed system allows the heater to heat up fast, so you do not have to wait for long to enjoy your pool or spa. The hot surface ignition and digital controls makes operating the heater easy.|Model 460775|Tough, rustproof composite exterior handles the heat and weathers the elements|Engineered for super-quiet operation and won't intrude on your poolside leisure time|Compact design does not intrude on your space|Eco-friendly, Mastertemp is certified for low NOX emissions and outperforms industry standards