Lochinvar & A.O. Smith 100276814 Relief Valve 321142-301 lead-free HVAC gauge that simplifies

lead-free HVAC gauge that simplifies installation with its back entry configuration and eliminates the need for redundant sensors

Smith 100145009 Fan Assembly is a critical combustion blower component designed for high-efficiency commercial boilers and water heaters

manifold setting to ensure optimal combustion efficiency

Simplified Field Service: Interchangeable design allows a single coil size to service multiple valve bodies

Common Questions What is the maximum operating pressure for the B1H-30

Lochinvar & A.O. Smith 100276814 Relief Valve 321142-301 lead-free HVAC gauge that simplifiesThe Lochinvar & A. O. Smith 100276814 Relief Valve is a critical safety component designed for high demand commercial and residential water heating systems. This 1" 150# T&P Relief Valve is engineered to automatically discharge water if internal tank conditions exceed 150 PSI or 210F, preventing catastrophic vessel failure. As a direct replacement for 100167360, this OEM part ensures precise fitment and maintains the original engineering