Cleveland Controls FS-BO-178 Proving Switch Els PW 17895 688" lead wires

688" lead wires

maintaining signal integrity in extreme environments

Replacing a compromised pan prevents bypass air leakage and potential water damage to the furnace cabinet

Rapid Installation: Includes 6-inch color-coded 18 AWG leads and a locking nut for fast integration into standard conduit bodies or weatherproof boxes

As an OEM Armstrong replacement part

Cleveland Controls FS-BO-178 Proving Switch Els PW 17895 688" lead wiresThe 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