000 BTU/h capacity envelope

When the sensed temperature hits the upper threshold

ensuring the necessary capacitance 4uF rating for stable motor starting and continuous run performance in demanding commercial and industrial environments

this component helps prevent unsafe operation due to venting obstructions or fan failure

it can often be used as a universal 1/2 inch collar shaft for various legacy systems

Cleveland Controls FS-BO-178 Proving Switch Els PW 17895 000 BTU/h capacity envelopeThe 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