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

this kit ensures structural sealing integrity during major overhauls or routine inspections of York YK and YT series units

keeping the system within its designed safety parameters

provided the pilot burner is properly jetted for the fuel type

engine compartments

Lochinvar & A.O. Smith 100167442 Relief Valve 322838-754 System Protection: Prevents operation duringThe 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