the assembly features a 1-1/16" thread size and a 1-1/4" outer diameter

The slide-out tray design allows for tool-free pad changes during seasonal maintenance

As a veteran-grade HVAC ventilation part

Durable Construction: Built to withstand the high-cycle demands of technical HVACR Environments

Lochinvar & A.O. Smith 100112061 Burner Assembly 320819-301 the assembly features a 1-1/16"The Lochinvar & A. O. Smith 100112061 Burner Assembly is a high precision OEM replacement part engineered for large scale natural gas water heaters. This 20 inch burner assembly features a factory calibrated #31 orifice, ensuring the targeted gas flow rate required for stable combustion and optimal thermal efficiency. Built with heavy duty materials to withstand high temperature cycling, this component is essential for restoring the combustion system