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Common signs include a blower motor that fails to start
it provides superior liquid handling capabilities and high volumetric efficiency for demanding cooling loads
Is a strainer required for installation
Key Benefits Dual-Function Reliability: Operates as both a pump controller and a low water cut-off (LWCO) to streamline boiler management
Trane SWT1274 Limit Switch 320074-702 Common signs include a blowerThe 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