the QC-4 is identical to the 168078 and includes the necessary ID Tag to ensure clear identification of the valve's capacity once installed

Rugged Mounting: Robust foot mount transformer base allows for secure installation in various orientations within the air handler or furnace cabinet

Standard S1 series sequencers typically feature a delay-on timing of 1 to 110 seconds and a delay-off timing of 1 to 110 seconds

Dust-Shielded Design: Features an enclosed contact housing to minimize debris accumulation and prevent "chattering" or humming

creating a rigid junction for field-mounted instruments

White-Rodgers 756-1 Thermostat the QC-4 is identical toThe White Rodgers 756 1 is a commercial grade SPDT electric water heater thermostat designed for precise surface mount temperature sensing. Engineered for high electrical capacity, this Single Pole Double Throw control is frequently used in residential and light commercial storage tank systems to manage upper and lower heating elements. With a temperature range of 110F to 150F and a fixed high limit safety cut off at 170F, it provides reliable