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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
though actual requirements depend on the damper manufacturer's friction and pressure ratings
Always inspect the venting and orifice for debris before replacing the switch
provided the flange dimensions and 1/2" shaft match your specific burner housing
Common Questions What is the maximum inlet pressure for the H17DA-4
check for continuity across the overload terminals
Lochinvar & A.O. Smith 100108641 Thermostat R-407A though actual requirements depend onThe 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