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This model is designed for oil-fired systems using cad cell primary controls
it is specifically optimized for ASCO solenoid valve specifications and dimensions
How do I verify the switch is defective versus just tripped
Common Questions What does the inducer cooling fan blade do
White Rodgers 1E78-140 Thermostat This model is designed forThe White Rodgers 1E78 140 Thermostat provides a rugged, field proven solution for single stage heat only systems. Operating on 24V low voltage or millivolt systems, this vertical non programmable unit is the preferred choice for technicians replacing older mechanical mercury thermostats in residential or light commercial applications. Its digital LCD backlit display offers high contrast visibility, ensuring accurate temperature readings within a 1