this part is cross-referenced as a direct substitute for the Sporlan C-307-S and the Alco EK-307-S series

2" NPT gas pressure regulator explicitly engineered for industrial applications such as furnaces and ovens

The sealing system utilizes a PTFE with Hypalon glass seal and braided PTFE with aramid stem packing

facilitating efficient field tuning and testing during maintenance calls

serving as the direct OEM replacement for the obsolete TST30010

Lochinvar & A.O. Smith 100110715 Inlet Switch 322055-301 this part is cross-referenced asThe Lochinvar & A. O. Smith 100110715 Inlet Switch is a critical safety component designed for high efficiency commercial and residential water heating systems. This OEM replacement part is the current updated version for the legacy 9005900215 and 193363 models. As a normally closed blocked inlet pressure switch, it monitors the air intake for obstructions. If the negative pressure at the combustion air inlet deviates from factory setpointsoften due