Trane SWT2649 Rollout Switch 318820-201 Common indicators include the hot

Common indicators include the hot surface igniter glowing without the gas valve opening

and Concord equipment

as these issues force the high-limit switch to protect the heat exchanger from cracking

or elevated high-side refrigerant pressures often indicate a bent or out-of-balance blade that requires immediate replacement

It features a clockwise (CW) rotation sensing from the lead end and is built with a standard NEMA 48 frame size to ensure a precise drop-in fit for Carrier

Trane SWT2649 Rollout Switch 318820-201 Common indicators include the hotThe Trane SWT2649 Rollout Switch is a mission critical furnace safety limit engineered for precise thermal protection in residential and commercial gas heating systems. This high limit control is designed to detect flame rollout conditions, initiating an immediate system shutdown to protect the heat exchanger and surrounding components. Featuring a fixed 240F temperature cutoff and a manual reset mechanism, this part requires a technician's inspection