For refrigerant circuit lubrication

the thermocouple is integrated into the assembly to ensure proper alignment with the pilot flame path

It serves as the primary substitute for HK06WC088

Using it on other configurations may result in improper fault detection

Lochinvar & A.O. Smith 100108641 Thermostat R-407C For refrigerant circuit lubricationThe 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