Lochinvar & A.O. Smith 100167442 Relief Valve 321894-709 it utilizes a non-PCB biodegradable

it utilizes a non-PCB biodegradable synthetic oil to dissipate heat effectively during high-load cycles

Enhanced Reliability: Features internal pressure and temperature protection with a redesigned shell for improved sound attenuation and mechanical longevity

This Robertshaw gas valve is a staple for contractors maintaining older systems requiring precise furnace gas valve replacement components

the 85H75 is the designated replacement for several older Lennox part numbers

Lochinvar & A.O. Smith 100167442 Relief Valve 321894-709 it utilizes a non-PCB biodegradableThe 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