or a lack of continuity across the poles when the coil is energized

preventing pressure loss

Common Questions What is the enclosure rating for the 042N7457

the K1-3 is compatible with R-410A and other common refrigerants

this part is an official OEM replacement for various brands under the Lennox International umbrella

Cleveland Controls AFS-460-121 Switch or a lack of continuityThe Cleveland Controls AFS 460 121 is a professional grade adjustable air pressure sensing switch engineered for high accuracy performance in HVAC and energy management systems. Designed to monitor positive, negative, or differential air pressure, this proving switch features a versatile setpoint range of 0. 4" w. c. to 12. 0" w. c., making it a reliable solution for verifying fan operation or filter status. As a safety critical component, it utilizes