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The Kenmore 57942 40-gallon tall liquid propane 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 which reduces and protects against mineral buildup 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
  • 2 inches of self-cleaning cold water inlet tube
  • Cobalt blue glass-lined tank with anode rod for corrosion protection
  • Factory-installed temperature and pressure relief valve

Protection Agreements

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Gas Inlet Size 3/4 in.
Height to Gas Connection (In.) 12.25
Height to Vent Hood (In.) 62
Height to Water Connection (In.) 60.25
Tank Diameter (In.) 20
Tank Height (In.) 58.25
Tank Insulation Thickness 2 in.
Water Inlet/Outlet Size 3/4 in.
Size Category - Gallons 31 gallons to 40 gallons
Tank Nominal Capacity 40 gal.
Color Family Gray
Uniform Energy Factor (UEF) 0.62
Materials & Finishes:
Drain Valve Plastic
Tank Lining Glass
Flow Rate:
First Hour Rating (gal.) 70
Recovery at 90 Degree Rise (gph.) 37
Power & Performance:
Gas Input (btu/hr) 36000
Maximum Operating Pressure (psi.) 150
Parts Warranty 9 year limited
Tank Warranty 9 year limited
Product Includes:
Power Cord Included No
Relief Valve Included Temperature and Pressure
Product Overview:
Tank Diameter Range (In.) 18 In. to 22 In.
Unit Location Indoor
Control Type Digital
Power Source:
Fuel Type Liquid Propane
Certifications & Ratings:
Altitude Rating (ft.) 10100
ENERGY STAR Compliant No
Appliance Features:
Heat Trap Fittings Yes
Heavy Duty Anode Rod Yes
Low NOx Burner No
Number of Anode Rods 1
Self Cleaning Yes
Tank Style Tall
Venting Atmospheric (standard)
Heating Range (deg F.) 55 - 155
Required Vent Size 3 in. or 4 in.

Product Documentation

Product Warranty - English
Energy Guide

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Manufacturer's Warranty
1 year parts and labor
SearsOutlet Certified
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