making it a reliable service part for technicians managing multi-family or commercial hospitality HVAC assets

Look for signs of overheating

Standard protocol for HVAC preventative maintenance suggests replacement during any major service

this unit is designed to manage multi-stage operations

Lochinvar & A.O. Smith 100208450 Valve 321142-301 making it a reliable serviceThe Lochinvar & A. O. Smith 100208450 Valve is a critical safety component engineered for high performance residential and commercial HVAC systems. This heavy duty boiler pressure relief valve is factory set to a 75 PSI discharge threshold, providing essential protection against over pressurization in water heaters and hydronic heating loops. Featuring a 3 4" NPT inlet and a 1" NPT outlet, it ensures high capacity flow during emergency relief cycles