System Efficiency: Eliminates motive steam or air leakage at the cover

and 41K3701

If your application requires a 1-1/4" or 1-3/4" thread

Exact OEM Compatibility: Specifically engineered for Lennox HEPA-20 and HEPA-40/60 series bypass filtration systems

Cleveland Controls FS-751-112 Air Flow Switch R-407A System Efficiency: Eliminates motive steamThe Cleveland Controls FS 751 112 Air Flow Switch is a heavy duty, fixed set point differential pressure switch engineered for HVAC air proving and energy management applications. Designed for maximum reliability in duct heaters and ovens, this SPDT air pressure switch triggers on a pressure rise of 0. 05" 0. 02" w. c.. The unit features a plated housing that protects the internal diaphragm and snap acting switch, making it an ideal choice for