Lochinvar & A.O. Smith 100112338 Control Valve 321894-709 Always verify your specific furnace

Always verify your specific furnace blower assembly dimensions (9" x 7") before installation

125 Amp trip point

Always check the nameplate of the valve body and power source before installation

The 40003918-006 (identically cross-referenced as 40003918-006/U) includes a precision-engineered ball and shaft assembly and a rugged adapter plate

provided the total distance does not exceed the RS-485 signal limits and power requirements are met

Lochinvar & A.O. Smith 100112338 Control Valve 321894-709 Always verify your specific furnaceProfessional grade Lochinvar & A. O. Smith 100112338 Control Valve is a direct OEM replacement engineered for Liquid Propane (LP) gas water heaters. This Honeywell WV8840B5069 equivalent ensures precise thermostatic control and reliable ignition within high demand residential and light commercial systems. Operating with an integral spark igniter and powered by a 750 millivolt thermopile generator, this valve eliminates the need for external power,