By modulating the main gas supply while managing the bypass with snap action

Broad Compatibility: Fully compatible with the Honeywell Q179 series

The Carrier 336859-703 Burner Support Assembly is a precision-engineered OEM replacement part designed to stabilize the combustion process in high-efficiency heating systems

you know that microchannel leak repairs demand the right chemistry and precision

and GE 97F9803

Lochinvar & A.O. Smith 100172014 Valve 322027-701 By modulating the main gasThe Lochinvar & A. O. Smith 100172014 Gas Valve Assembly is a critical OEM replacement component designed for high efficiency natural gas firing in commercial and industrial heating systems. Specifically engineered for the Knight XL KBN600, KBN601, and Armor AW600 series boilers and water heaters, this assembly replaces the obsolete VAL3212. As a veteran grade HVACR part, it ensures precise manifold pressure regulation and stable gas to air mixtures,