depot pull
Pay in 4 interest-free payments of $17.75 Learn more
Ships within 48 hours · Estimated delivery Sep 19 - Sep 24
provided the system pressures fall within the 100 to 470 psi range
this switch provides the mechanical reliability required for commercial and industrial combustion systems
critical for maintaining tight tolerances in HVACR process controls
Its rugged gray finish and UL-listed/CSA-approved construction meet the strict requirements of field contractors looking for a durable replacement for older 11B18 series units or competitive aquastat controls
it functions as emergency heat in heat pump configurations or as the primary heat source in AC-only wall-mount units
Trane SWT1274 Limit Switch R-410A provided the system pressures fallThe Trane SWT1274 Limit Switch (also listed as SWT01274) is a high precision HVAC safety control designed for furnace high limit protection. As a veteran grade OEM furnace part, this thermal limit switch is engineered to monitor the supply plenum temperature, providing a critical fail safe against heat exchanger damage. It operates with a fixed factory setting that opens at 125F to break the heating circuit and closes at 95F to allow for an automatic