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6 Year Tank & Parts Warranty

1 Year Service Labor Warranty

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Model E6-40M6-45SV

Single 4500 Watt
Diameter 22 Height 52

AO Smith


40 Gallon

Single 4500 Watt

Water Heater


Installation Included!
Pre-Approval Takes Only Minutes! 
For Informational Purposes only

Installation Includes

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Delivery of New Water Heater

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Free Drain Pan

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Haul Away & Recycling of Old Tank

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New Water Heater Start-Up

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New Connectors for Gas / Water / Vent

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Gas Piping Inspection / Leak Check

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3-Year Warranty On Installed Plumbing

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Installation In Same Location 

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Permit Processing if Required

A. O. Smith's Signature 100 Series Manufactured Housing 40-Gallon short electric water heater provide efficient and reliable hot water for households with 2 to 3 people when sized appropriately. This manufactured home Signature series model is Housing and Urban Development (HUD) approved and is designed to provide maximum hot water output for mobile home and manufactured housing applications. The small electric water heater features a single heating element, protective anode rod and fused ceramic tank shield to reduce tank corrosion. It also includes side water connections for easy installation. For added peace of mind, it comes with a 6-year limited warranty. Want to save money on your energy bills? This model operates at a 0.95 Uniform Energy factor (UEF) which can reduce your energy consumption compared to less efficient models.

  • Delivers the ideal amount of hot water for households with 2 to 3 people when sized appropriately

  • HUD-approved electric hot water system for mobile home and manufactured housing applications

  • Features one 4,500-watt copper heating element that provides a first hour delivery of 54 gallons

  • Operates at a 0.95 Uniform Energy Factor for maximum energy-efficiency and cost savings

  • Has short 49.75-in H x 22-in diameter design for easier installation in mobile homes and manufactured housing

  • Provides superior tank protection and extends water heater life with premium heating elements, anode rod and fused ceramic tank shield

  • Reduces heat loss with non-CFC polyurethane foam insulation and factory-installed heat trap nipples for maximum efficiency and energy savings

  • Features easy temperature control with adjustable thermostat you can set higher or lower for dishwashers and laundry machines

  • Provides peace of mind with a 6-year limited tank and parts guarantee and a 1-year limited labor warranty

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Use & Care Manual 

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