Cleveland Controls DFS-448-153 Switch ensuring correct spring rate and

ensuring correct spring rate and tension

How do I wire the RIBU2SC for a 24V signal vs

making it fully compatible with modern HFC and HCFC refrigerants

the switch opens the electrical circuit to shut down the heating element or burner

preventing ignition failures and potential damage to the ignition module

Cleveland Controls DFS-448-153 Switch ensuring correct spring rate andThe 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