MARS 33247 Thermal Time Delay The enclosed body design protects

The enclosed body design protects internal components from dust and debris

the control board cannot verify combustion blower operation

stocking a genuine Reznor 201685 fuse ensures you can restore 24V control power immediately during a service call

Optimized Energy Efficiency: Prevents unnecessary auxiliary heat engagement by precisely sensing outdoor ambient temperatures

and unit heaters

MARS 33247 Thermal Time Delay The enclosed body design protectsThe MARS 33247 Thermal Time Delay is a field proven SPDT N O sequencer designed for precision timing in residential and commercial HVACR systems. Engineered to handle high current electric heat and air conditioning loads, this 24V control voltage relay utilizes a solid state PTC device and a snap acting disc to ensure positive make break action. With a delay on make range of 124 seconds and a delay on break range of 1575 seconds, this 33247 sequencer