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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
The Ranco C21-2014 Temperature Control is a versatile SPDT HVAC thermostat designed for precision temperature management in commercial refrigeration and air conditioning applications
Engineered for a universal fit
Outside of a mechanical switch failure
it operates within a 45 to 75 degree F range with a tight 4 degree F differential
Clean the flame rod and check the microamp signal to confirm if the issue lies with the rod or the internal circuitry of the control board
Lochinvar & A.O. Smith 100108899 Limit Switch Els PW 17895 The Ranco C21-2014 Temperature ControlThe Lochinvar & A. O. Smith 100108899 Limit Switch is a critical safety component designed for high performance HVAC equipment and water heating systems. Engineered for precision, this L200F manual reset high limit switch monitors internal temperatures and executes a high temperature shutdown if the system exceeds the 200F safety threshold. By interrupting the electrical circuit during an overheat event, it prevents damage to the heat exchanger and