199,000 BTU ATO-540H Condensing Ultra-Low NOx Outdoor Tankless Water Heater (LP)

Overview: The 540 series is well suited for residential use. Utilizing commercial grade copper alloy for the heat exchanger tubing, the 540 series is also suitable for heavier-residential usages such as domestic recirculation systems. Remote control included as a standard feature on all Outdoor models. Indoor models are certified up to 10,100 ft. altitude. Provides a variety of installation options: outdoor and direct vent. Complies with Ultra-Low NOx regulations and meets the energy efficiency requirements. Easy-Link System capable up to 4 units. The ATO-540H-P tankless water heater uses up to 199,000 BTU/hr of liquid propane to deliver an endless supply of hot water for a 3 bath home in northern climates and up to a 4 bath home in southern climates (one shower head per bath). Utilizing condensing technology, this heater is extremely efficient with a Uniform Energy Factor of 0.95. With an industry leading 15-year limited warranty, the ATO-540H-P tankless water heater provides years of hot water through innovation and quality. Specifications: Emissions: Ultra-Low NOx Maximum BTUs: 199,000 Minimum BTUs: 13,000 UEF: 0.95 Limited Heat Exchanger Warranty: 15 Years Limited Parts Warranty: 5 Years Water Connection Location: Bottom Water Connection Size: 3/4" Heat Exchanger: Commercial Grade Copper Secondary Heat Exchanger: Stainless Steel Voltage: 120 ENERGY STAR®: Yes LEED Rating: 1.5 Remote Control: Yes Technology: Condensing Height: 23 5/8" Width: 17 3/4" Depth: 11 1/4" Product Weight: 59lbs/27kg Shipping Weight: 69 Vent Material: PVC, CPVC, PP, ABS, SS