Kenmore 57940 40 gal. 9-Year Short Natural Gas Water Heater

Kenmore 57940 40 gal. 9-Year Short Natural Gas Water Heater
Item # 04257940000P Model # 57940

Kenmore 57940 40 gal. 9-Year Short Natural Gas Water Heater

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The Kenmore 57940 40-gallon short natural gas water heater is energy-efficient, with foam insulation, and has a cobalt blue glass-lined tank with a large anode rod to protect the tank from corrosion. It also includes a self-cleaning cold water inlet tube that reduces and protects against mineral build-up in the tank.

A 40-gallon liquid propane water heater is the minimum recommended size for a 2- to 4-person household with typical water use.

  • 9-year warranty on tank and parts
  • Energy-efficient foam insulation
  • Self-cleaning cold water inlet tube
  • Cobalt blue glass-lined tank with anode rod for corrosion protection
  • Factory-installed temperature and pressure relief valve


Capacity and Flow:_UP
Recovery at 90 Degree Rise (gph.) 41
Tank Nominal Capacity 40 gal.
First Hour Rating (gal.) 69
Dimensions and Capacity:
Tank Insulation Thickness 2 in.
Required Vent Size 3 in. or 4 in.
Tank Diameter (In.) 22
Tank Height (In.) 47.75
Height to Water Connection (In.) 49.75
Water Inlet/Outlet Size 3/4 in.
Height to Vent Hood (In.) 51.5
Gas Inlet Size 3/4 in.
Height to Gas Connection (In.) 12.25
General Features:
Number of Anode Rods 1
Heat Trap Fittings Yes
Power Cord Included No
Control Type Digital
Tank Style Short
Low NOx Burner No
Color Family Gray
Altitude Rating (ft.) 10100
Heavy Duty Anode Rod Yes
Unit Location Indoor
Drain Valve Plastic
Relief Valve Included Temperature and Pressure
Self Cleaning Yes
Tank Lining Glass
Venting Atmospheric (standard)
Parts Warranty 9 year limited
Tank Warranty 9 year limited
ENERGY STAR Compliant No
Power and Performance:
Fuel Type Natural gas
Gas Input (btu/hr) 40000
Maximum Operating Pressure (psi.) 150
Heating Range (deg F.) 55 - 155
Uniform Energy Factor (UEF) 0.62


ItemPNO 04257940000
MfgPartNumber 57940
BrandName Kenmore
SoldBy Sears
ProductURL /kenmore-57940-40-gal-9-year-short-natural
FulfilledBy Sears

SSIN : 04257940000P

UID : ea7b4975-3210-47d8-89ef-79eb887fcfd0

PartNumber 04257940000P