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A scheduled delivery is available only Monday - Friday during normal business hours and used for heavy and oversized items (large TVs, large furniture and large appliances). This service includes delivery to the main entrance or garage (but does not include stairs). This service does not include unpacking, plugging in, installation or debris removal.

Note: Scheduled delivery services are available to most of the contiguous United States (available in parts of Alaska and Hawaii). Call 888-228-5800 for more information.

Reliance 40 Gallon Tall Natural Gas Water Heater - 6 40 NOCT

Abt Model: 640NOCT | UPC: 091193004814
In Stock
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Product Details

Reliance 40 Gallon Tall Natural Gas Water Heater, Model 6 40 NOCT


  • 6-year limited tank & parts warranty, 1-year labor warranty
  • Electronic gas control valve that provides precise temperature control and operational status
  • Piezo igniter allows for easy “one-hand” pilot ignition without matches
  • PEX dip tube
  • Glass-lined tank with anode rod protects against corrosion
  • “Environmentally-Friendly” Non-CFC foam insulation
  • Factory-installed PEX polymer lined heat trap nipples
  • Factory-installed temperature & pressure (T&P) relief valve


  • Nominal Capacity (Gallons): 40
  • Rated Storage Volume: 38
  • UEF: 0.61
  • Family Size: 4
  • Self Cleaning: Yes
  • Limited Warranty Tank: 6
  • Limited Warranty Parts: 6
  • Limited Warranty Labor: 1
  • Max BTUs Input: 45,500
  • Emissions: Low NOx
  • Foam Insulation: Yes
  • Water Connection Location: Top
  • Water Connection Size: 3/4
  • First Hour Recovery (Gallons): 65

Approximate Dimensions:

  • Height: 58-1/4"
  • Height With Draft Hood: 62"
  • Width: 20"
  • Depth: 20"
  • Diameter: 20"
  • Vent Size: 3 or 4"

Approximate Weight:

  • Shipping: 160 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer):
    • 6 Years Tank and Parts
    • 1 Year Labor
California customers: Proposition 65 WARNING - learn more
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Key Features
35,500 BTU Input For Faster Recovery/ Electronic Gas Control Valve/ Piezo Igniter Allows For Easy "One-Hand " Pilot Ignition Without Matches/ PEX Dip Tube/ "Environmentally-Friendly " Non-CFC Foam Insulation/ Factory-Installed Temperature And Pressure (T&P) Relief Valve/ 40 Gallon Capacity/ Beige Finish
Energy Star Rated
More reasons to buy the Reliance 6 40 NOCT from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Reliance 6 40 NOCT is Brand New.
  • The Reliance 6 40 NOCT Ships in a Factory Sealed Box.
Diameter (inches)20
Fuel TypeNatural Gas
Gallon Capacity (cu.ft.)40
Height (inches)58.25
Tank StyleTall
Venting TypeStandard
Energy Star QualifiedNo


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Delivery is subject to reasonable access to the area without damaging the purchaser's property or the product, or jeopardizing the safety of the delivery personnel.
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