Cleveland Controls DFS-448-153 Switch Proper installation of this high-limit

Proper installation of this high-limit safety control is essential for preventing premature blower cycling and ensuring the furnace operates within its designated thermal parameters

22 certified for residential

This genuine OEM replacement part is engineered for high-performance gas furnace and water heater systems

this RIB relay handles resistive

A: It monitors refrigerant pressure and shuts down the compressor if pressure falls below the safe operating range

Cleveland Controls DFS-448-153 Switch Proper installation of this high-limitThe Cleveland Controls DFS 448 153 is a purpose built air flow switch designed for critical monitoring in industrial HVAC systems, air handling units, and duct heaters. This fixed set point air pressure switch is factory calibrated to actuate on a pressure rise of 0. 05" 0. 02" w. c., providing high accuracy sensing for equipment safety and cycle control. Featuring a SPDT switch configuration (Single Pole Double Throw), it facilitates versatile wiring