this 24V relay ensures stable switching under demanding thermal conditions

this unit features silver-cadmium oxide contacts that significantly extend service life by withstanding heavy inductive switching

or furnace control boards

While it displays active setpoints and sensor values

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

Cleveland Controls DFS-243 Switch Els PW 17895 this 24V relay ensures stableThe 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