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Reliance 40 Gallon Short Natural Gas Water Heater - 1240NACS

Abt Model: 1240NACS | UPC: 091193005750
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Product Details

Reliance 40 Gallon Short Natural Gas Water Heater, Model  1240NACS


  • 40,000 BTU input for faster recovery
  • Electronic gas control valve that provides precise temperature control and operational status
  • Self-cleaning Sta-Kleen® PEX dip tube helps maintain efficiency and reduce maintenance
  • Glass-lined tank with dual heavy-duty anode rods to protect against corrosion
  • "Environmentally-Friendly" Non-CFC foam insulation
  • Piezo igniter allows for easy "one-hand" pilot ignition without matches
  • Factory-installed PEX polymer lined heat trap nipples
  • Factory-installed temperature & pressure (T&P) relief valve


  • Capacity (Gallons): 40
  • Family Size: 3
  • Energy Factor: 0.62
  • Annual Cost of Operation: $263
  • Max BTUs Input: 40,000
  • Emissions: Low NOx
  • Foam Insulation: Yes
  • Water Connection Location: Top
  • Water Connection Size: 3/4
  • UPC: 91193005750
  • First Hour Recovery (Gallons): 70

Approximate Dimensions:

  • Height: 47-3/4"
  • Height With Draft Hood: 51-1/2"
  • Width: 22"
  • Depth: 22"
  • Diameter: 22"
  • Vent Size: 3" or 4"

Approximate Weight:

  • Shipping: 160 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer):
    • 12 Years Tank and Parts
    • 1 Year Labor
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Key Features
40,000 BTU Input For Faster Recovery/ Electronic Gas Control Valve/ Self-Cleaning Sta-Kleen PEX Dip Tube/ Glass-Lined Tank With Dual Heavy-Duty Anode Rods To Protect Against Corrosion/ Piezo Igniter Allows For Easy "One-Hand " Pilot Ignition Without Matches/ Factory-Installed Temperature And Pressure (T&P) Relief Valve/ 40 Gallon Capacity/ Beige Finish
Energy Star Rated
More reasons to buy the Reliance 40 Gallon Short Natural Gas Water Heater 1240NACS from Abt Electronics
  • is an authorized dealer.
  • The Reliance 40 Gallon Short Natural Gas Water Heater 1240NACS is Brand New.
Diameter (inches)22
Fuel TypeNatural Gas
Gallon Capacity (cu.ft.)40
Height (inches)47.75
Tank StyleShort
Venting TypeStandard
Energy Star QualifiedNo


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