Can this be used to replace the original 668793 model

This 270 degree furnace switch functions as a NC (normally closed) limit that opens when excessive heat is detected outside the combustion chamber

Precise Regulation: The external equalization compensates for pressure drops across the evaporator

Protects the blower motor and heat exchanger from thermal stress by exhausting residual heat after every heating cycle

Lochinvar & A.O. Smith 100208546 Thermostat 320074-702 Can this be used toThe Lochinvar & A. O. Smith 100208546 Thermostat is a critical direct immersion T stat for indirect tanks, engineered to provide precise temperature regulation in high demand potable water systems. Designed as an authentic OEM replacement part, this aquastat control manages the heating cycle by signaling the boiler to circulate hot water through the internal heat exchanger once the domestic hot water temperature falls below the setpoint. It features