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A.O. Smith ATO-540P - 6.3 GPM at 60° F Rise - 0.95 UEF - Gas Tankless Wat...


A.O. Smith ATO-540P - 6.3 GPM at 60° F Rise - 0.95 UEF - Gas Tankless



  • Low Nox Emissions
  • Storage Type
  • Combustion Type
  • Outdoor
  • Copper/Stainless
  • Flow Rate At 40f Temperature Rise
  • Natural Gas
  • 5.4 GPM
  • Condensing
  • Flow Rate At 70f Temperature Rise
  • Heat Exchanger Material
  • 7.5 GPM
  • Product Line
  • Minimum Input Capacity
  • Wall
  • Flow Rate At 77f Temperature Rise
  • 15000 BTU
  • Mpn
  • Hot Water
  • 6.3 GPM
  • 0.95
  • California Prop 65 Warning
  • Maximum Input Capacity
  • Flow Rate At 50f Temperature Rise
A.O. - 6.3 F Rise - 0.95 UEF Wat...

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You can also check Rinnai RL94iLP Internal Whole House Liquid Propane Tankless Water Heater 9.4 Gal, Liquid Propane and AO Smith ATO-510-N Non-Condensing Residential/Light Commercial Tankless Heater for a better comparison at

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This means that the can of the on Ultra EmissionsThe is to qualify for most Low-NOx standards. coincide and other quality.
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