Functional Devices RIBU1SM-250 Switch 320788-704 ensuring correct wire termination and

ensuring correct wire termination and mounting

contractors should specify the -EXPL or -WP versions which feature protective enclosures

securing an exact OEM inducer wheel is critical for restoring proper combustion and preventing pressure switch lockout codes

Key Benefits Versatile Airflow Control: Support for 3-speed motor operation allows technicians to calibrate CFM output to specific system ductwork and thermal loads

5 PSI pressure rating and failsafe closing upon power loss

Functional Devices RIBU1SM-250 Switch 320788-704 ensuring correct wire termination andThe Functional Devices RIBU1SM 250 is a specialized enclosed pilot relay featuring a Carling rocker switch for manual override control. This SPDT relay is engineered for industrial and commercial HVACR applications where local ON AUTO OFF manual override is required for troubleshooting or maintenance. The unit is housed in a NEMA 1 rated enclosure, pre wired with 16 inch leads to streamline field installation into any standard 1 2 inch conduit