specifically mixing valve models LFMM433

offering superior thermal protection and mechanical resistance against high discharge temperatures often encountered in older R22 systems

When replacing a Watts 174A relief valve

providing a more reliable connection for the pilot line

Engineered for 24 VAC/VDC operation

Lochinvar & A.O. Smith 100172009 Gas Valve Assembly 322027-701 specifically mixing valve models LFMM433The Lochinvar & A. O. Smith 100172009 Gas Valve Assembly is a critical replacement component for high efficiency condensing boilers, specifically engineered for the Lochinvar Knight XL and various KBN500, KB501, and AW501 models. As a veteran technician knows, the precision of the negative pressure gas valve is vital for maintaining the correct air to fuel ratio across the full modulation range of the burner. This natural gas valve assembly (also