Common Questions What causes a 170 degree limit switch to trip frequently

As a critical furnace high limit sensor

this 24V relay ensures stable switching under demanding thermal conditions

Ensure the 1/4" barb connection is free of debris and that the silicone tubing is pushed fully onto the port to prevent false pressure readings

Designed to withstand a maximum operating temperature of 140 degrees Fahrenheit

Cleveland Controls DFS-243 Switch Els PW 17895 Common Questions What causes aThe Cleveland Controls DFS 243 is a mission critical fixed set point air flow switch designed for HVAC air pressure sensing in duct heaters, ovens, and energy management systems. Engineered as a nonadjustable differential pressure switch, it provides reliable proof of flow by operating on a pressure rise at 0. 05" . 02" w. c. This SPDT air flow switch features a snap acting mechanism housed in a plated metal casing, making it ideal for surface