Ao Smith 100281540 Natural Gas Kit 75 Gal Cast Iron

Product Description

The AO SMITH 100281540 is a natural gas floor burner assembly conversion kit designed for 75-gallon cast iron water heaters. This kit provides the components needed to set up or restore natural gas burner operation in large-capacity residential or light commercial water heating equipment. Cast iron construction delivers durability in high-heat combustion environments. Licensed plumbers and water heater service technicians are the primary installers of this assembly.

This kit is suited for 75-gallon floor-standing water heater applications where a natural gas burner assembly is required. It is intended for use in systems that call for cast iron burner components, typically found in older or heavy-duty water heater configurations. Installers should confirm tank size, fuel type, and burner mounting style before ordering.

Key Features

• Natural gas configuration for 75-gallon water heater systems
• Cast iron burner assembly for durability in high-heat environments
• Designed as a floor burner assembly replacement or conversion kit
• Matches OEM specifications for compatible AO SMITH equipment

Compatibility

Designed as an OEM-style replacement or conversion kit for 75-gallon natural gas water heaters requiring a cast iron floor burner assembly. Confirm model compatibility with AO SMITH documentation before installation.

Installation Notes

Installation should be performed by a licensed plumber or qualified water heater service technician. Shut off the gas supply and allow the unit to cool completely before beginning any burner assembly work. All gas connections must be tested for leaks after installation and work should comply with applicable local codes and IFGC requirements. Do not attempt to modify the burner assembly components.

Technical Specifications

• Fuel Type: Natural Gas
• Tank Capacity: 75 gallons
• Burner Material: Cast Iron

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100281540