Mastertemp Pentair Mastertemp ASME Heater, 400,000 BTU, Liquid Propane, Low Nox

Pentair Mastertemp model #460776. Digital ASME High Performance Low NOx Pool and Spa Heater. The heater is for liquid propane and is 400000 BTU.|Heats up fast so no long waits before enjoying your pool or spa|Best in class energy efficiency|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