Cleveland Controls FS-BO-178 Proving Switch Els PW 17895 If the inducer is running

If the inducer is running but the switch remains open

Standardized round chassis fits most universal mounting brackets and strap configurations found in residential and light commercial equipment

simplifying inventory management and part identification

The Eaton C25CNB125T is a professional-grade 1-pole definite purpose contactor engineered specifically for the rigorous demands of the HVACR industry

this triple stacked thermal time delay relay manages the staggered activation of heating elements and blower motors

Cleveland Controls FS-BO-178 Proving Switch Els PW 17895 If the inducer is runningThe Cleveland Controls FS BO 178 is a heavy duty, factory calibrated air flow proving switch designed for critical monitoring in duct heaters, ovens, and sophisticated HVAC energy management systems. This model features a precise, non adjustable set point of 0. 05" w. c., ensuring consistent actuation on positive pressure rise without the risk of field tampering. Built with a rugged plated housing and a high performance silicone diaphragm, the FS BO