Trane SWT1274 Limit Switch 320074-702 Common Questions Which gas valve

Common Questions Which gas valve does the FP-26 work with

by ensuring consistent discharge of flue gases through either horizontal or vertical Category III vent runs

Key Benefits Dual-Function Reliability: Operates as both a pump controller and a low water cut-off (LWCO) to streamline boiler management

and recirculation pumps

it provides superior liquid handling capabilities and high volumetric efficiency for demanding cooling loads

Trane SWT1274 Limit Switch 320074-702 Common Questions Which gas valveThe 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