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a coupling assembly
As a direct Lennox replacement part
this specific York S1-024-26051-000 model is often utilized in configurations requiring auxiliary signaling for interlock circuits or status monitoring
Thermal Protection: Internal overload protection guards the three-phase motor against phase loss and excessive heat buildup
The heavy-gauge galvanized steel construction ensures durability against flue gas condensates
Trane SWT1432 Vent Switch 320788-703 a coupling assemblyThe Trane SWT1432 Vent Switch is a critical safety component engineered for residential and light commercial furnaces with 1 to 4 MBH heating capacity. Designed to monitor flue safety, this blocked vent switch is calibrated to open at 240F, immediately interrupting the 240 VAC, 25A circuit if venting temperatures exceed safe thresholds due to airflow restrictions. This OEM furnace safety switch identifies potential flue obstructions or downdrafts that