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Manual Override: Integrated SPDT switch provides local control for testing and maintenance
disc-style OEM furnace limit switch engineered for high-precision thermal monitoring in residential and light commercial air handlers
shifting the load to backup heat for maximum performance
High BTU Capacity: Supports demands up to 250
Common Questions & Technical Support What causes a rollout switch to trip repeatedly
Functional Devices RIB02BDC Relay Manual Override: Integrated SPDT switchThe Functional Devices RIB02BDC is a performance grade enclosed relay designed for high voltage switching applications in commercial HVACR and building automation systems. Built with a 20 Amp SPDT contact rating, this pilot device operates reliably on a 208 277 Vac coil, making it ideal for controlling lighting loads, motor branch circuits, and electric heat stages. The pre packaged design features a 1 2" NPT nipple for direct mounting to electrical