⚠️ ATTENTION: THIS IS A STAGING WEBSITE - DO NOT PLACE REAL ORDERS - FOR TESTING PURPOSES ONLY ⚠️

*** SHIPPING IS AVAILABLE ONLY WITHIN CANADA AT THIS TIME ***

Emergency Opening

 416-679-1048   |   BLOG

Website will be down for maintenance between 9pm Sunday evening to 4am Monday morning.

You will not be able to see pricing, product availability, place online orders, check account AR and order history, or register new users during this time.

All items that have been added to your shopping cart prior to the maintenance window, will still be present in your shopping cart once the maintenance is completed.

AO Smith® ATI-540P-N AOSATI-540P-N
  1. pin-int

AO Smith® ATI-540P-N Indoor Water Heater, 15000 to 199000 Btu/hr, Natural Gas, 1 ph

AO Smith® ATI-540P-N Indoor Water Heater, 15000 to 199000 Btu/hr, Natural Gas, 1 ph

  • Manufacturer: A. O. Smith Corporation
  • Brand Name: AO Smith®
  • Part#: AOSATI-540P-N
  • MPN: ATI-540P-N
  • Min. Order Qty: 1
  • Qty. Interval: 1
  • Availability: loading
  • Branch Availability

The 540P Series integrates a recirculation pump to provide instant hot water in residential applications with dedicated recirculation lines. The pump is easily controlled with a simple user interface and multiple pump settings allow you to customize pump operation to meet your needs while maximizing heater efficiency. As part of the high-efficiency tankless family, the 540P Series provides endless hot water while being environmentally friendly. The ATI-540P-N indoor tankless water heater uses up to 199000 Btu/hr of natural gas to deliver an endless supply of hot water for a three bath home in northern climates and a four bath home in southern climates. It is built with commercial-grade materials like marine-grade 316L stainless steel giving it an industry leading warranty.

AO Smith® Indoor Water Heater, Model: ATI-540P-N, 15000 to 199000 Btu/hr, 10 gpm Flow Rate, 0.93 Energy Factor, Power Direct Vent, 120 V, 60 Hz, 1 ph Phase, NPT Connection, 4 to 10.5 in-WC, Energy Star Compliant: Yes, Wall Mounting, Natural Gas Fuel, Direct Ignition System, 316L Stainless Steel, Lead-Free, 100 deg F, 23-5/8 in H x 17-3/4 in W x 11-1/4 in D

BTU Rating      :      15000 to 199000 Btu/hr
Connection Type      :      NPT
Dimensions      :      23-5/8 in H x 17-3/4 in W x 11-1/4 in D
Energy Factor      :      0.93
Energy Star Compliant      :      Yes
Flow Rate      :      10 gpm
Frequency Rating      :      60 Hz
Fuel Type      :      Natural Gas
Ignition System      :      Direct
Lead-Free/Contains Lead      :      Lead-Free
Material      :      316L Stainless Steel
Model      :      ATI-540P-N
Mounting Type      :      Wall
Phase      :      1 ph
Pressure Rating      :      4 to 10.5 in-WC
Temperature Rating      :      100 deg F
Vent Type      :      Power Direct
Voltage Rating      :      120 V
  • Integrated recirculation pump
  • Dual heat exchanger
  • Safety features
  • Endless hot water