Heat Controller R68CA0003 Limit Switch 320788-702 the plug remains in place

the plug remains in place

Common Questions: What are the signs of a failing SWT3776 pressure switch

providing a precise pressure switch calibration that aftermarket universal parts often fail to replicate

replacing a higher-output motor with a 16W unit can result in overheating and electrical failure

Heat Controller R68CA0003 Limit Switch 320788-702 the plug remains in placeThe Heat Controller R68CA0003 Limit Switch is a critical HVAC safety control designed to prevent heat exchanger damage in gas fired furnaces and air handlers. This L170 40F limit switch features a 170? F trip point, automatically breaking the electrical circuit if internal plenum temperatures exceed safety thresholds to prevent overheating. Once the system cools to 40? F, the auto reset limit switch restores continuity, allowing the heating cycle to