Always verify the fuel source before installation

ensuring compatibility with standard 115V control circuits

System Protection: Prevents operation during venting blockages or inducer motor failure

provided the pilot burner is properly jetted for the fuel type

Direct mechanical replacement for Star PS-RG2025 and MOR005 motors

Lochinvar & A.O. Smith 100167442 Relief Valve 322838-754 Always verify the fuel sourceThe Lochinvar & A. O. Smith 100167442 Relief Valve is a critical safety component designed for high efficiency hydronic systems. This 30 PSI relief valve is engineered to protect the heat exchanger from over pressure conditions by providing a precise discharge point. As a genuine OEM replacement part, it ensures total compatibility with the Lochinvar Knight WB series and various A. O. Smith water boilers. The 100167442 model features a 3 4 inch