Ao Smith ATI540P-LP ATI-540P condensing ultra-low NOx indoor tankless water heater with integrated circ. pump 199,000 BTU (LP)

Product Description

The AO SMITH ATI540P-LP is a 199,000 BTU condensing ultra-low NOx indoor tankless water heater designed for residential applications. This unit utilizes liquid propane (LP) fuel and features an integrated recirculation pump for instant hot water. It provides a continuous flow rate up to 10.0 GPM, suitable for homes with 3-4 bathrooms. The heater offers high efficiency with a 0.95 Energy Factor and robust construction with a 316L stainless steel secondary heat exchanger.

• Continuous flow rate up to 10.0 GPM
• Integrated recirculation pump
• Secondary heat exchanger is made of 316L Stainless Steel to protect against corrosion

Product Highlights

High-efficiency condensing tankless water heater with integrated recirculation pump for instant hot water.

Product Information

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: ATI540P-LP

Technical Specifications

• Product Type: Tankless Heater
• Installation Type: Indoor Only
• Fuel Type: Propane
• Type: Condensing
• Gas Input BTU/h: 13000-199000
• Gas Connection Size: 3/4"
• Water Connection Size: 3/4"
• Voltage: 120v
• Energy Factor: 0.95
• Max Flow Rate (GPM): 10
• Inlet Gas Pressure (W.C.): 8.0"-14.0"
• Max BTU: 199000
• Min BTU: 13000
• Application: Residential
• Vent Type: Direct Vent
• Includes: Pump
• Flow Rate at 40F Temp Rise (GPM): 9.5
• Flow Rate at 50F Temp Rise (GPM): 7.5
• Flow Rate at 60F Temp Rise (GPM): 6.3
• Flow Rate at 70F Temp Rise (GPM): 5.4