Lochinvar & A.O. Smith 100108641 Thermostat R-407A the SC25S is the direct

the SC25S is the direct functional replacement for the discontinued SC20C-B6S2 series

297 BTUs of supplemental heat for 1-phase residential applications

check for continuity across the overload terminals

Always inspect the venting and orifice for debris before replacing the switch

0 communication protocols

Lochinvar & A.O. Smith 100108641 Thermostat R-407A the SC25S is the directThe Lochinvar & A. O. Smith 100108641 Thermostat is a critical OEM replacement part designed for precise thermal management in commercial and residential water heating systems. This WH9HC 6 lower thermostat features an integrated Energy Cut Off (ECO) safety switch, providing a redundant high limit safety layer that manually interrupts power to the heating elements if tank temperatures exceed safe operating parameters. The kit includes the protective