Lochinvar & A.O. Smith 100108951 Thermostat L99H008 so ensure your circuit logic

so ensure your circuit logic matches the "open on drop" function of this SPST switch

ensuring safe ignition and consistent manifold pressure

This electric actuator serves as a primary damper control motor

This controller features dual SPDT switches

Always check for corrosion on the module pins before seating the wiring harness and ensure the locking tabs click into place to prevent signal loss

Lochinvar & A.O. Smith 100108951 Thermostat L99H008 so ensure your circuit logicThe Lochinvar & A. O. Smith 100108951 Thermostat is a critical OEM replacement part designed for high performance commercial and residential electric water heaters. As a heavy duty upper thermostat, it provides precise temperature control to ensure the heating elements cycle correctly and maintain system efficiency. This thermal regulator comes integrated with an Emergency Cut Off (ECO) safety switch, which manually trips to prevent overheating