Atmospheric, low nox, and asme versions are offered for the elegant and sophisticated Raypak® digital gas pool and spa heater. With cutting-edge technology, the digital gas pool and spa heaters maintain your pool or spa at the ideal temperature for your enjoyment. This contemporary pool and spa heater, which is made to resist a variety of weather situations, is the ideal choice for settings that need effectiveness, simplicity, and adaptability. Our heater provides you with multiple installation options, whether you're updating your current system or building a new pool or spa for your house. You will be able to enjoy your heater year-round because of its excellent low-profile design, copper or copper nickel fin tube heat exchanger, corrosion-resistant galvanized metal cabinet, and a variety of highly engineered materials.