Lochinvar & A.O. Smith 100109674 Control Valve Els PW 17895 Fail-Safe Operation: The spring return

Fail-Safe Operation: The spring return mechanism ensures the system defaults to the stem-up position

Always refer to your specific system wiring diagram for terminal assignments

Is the 100167776 compatible with my RLY3002

which typically integrates the electronic control module required for variable speed furnace communication

ensuring the main air supply is stable at 20 psig

Lochinvar & A.O. Smith 100109674 Control Valve Els PW 17895 Fail-Safe Operation: The spring returnThe Lochinvar & A. O. Smith 100109674 is a direct replacement natural gas control valve engineered for high efficiency commercial and residential water heating systems. Effectively replacing the legacy part number 9004028105, this valve serves as the primary gas pressure regulator and safety shut off mechanism. It is designed to handle specific BTU input ratings while maintaining precise manifold pressure to ensure stable combustion. In the field,