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Key Benefits OEM Compatibility: Specifically designed as a drop-in replacement for Argo AT Series 4-element boilers with circuit breakers
Durable Weather Resistance: Features a galvanized finish and robust internal damper to prevent pest ingress and resist long-term environmental degradation
you must use the 240V equivalent (FM1STUZ-240U) to avoid damaging the synchronous motor
the 243-8-HP typically supports a maximum inlet pressure of 40 PSIG
Rugged Environmental Protection: The encapsulated FB design is suitable for diverse industrial settings requiring reliable moisture and vibration resistance
York S1-2790-3171 Fan Switch 320788-702 Key Benefits OEM Compatibility: SpecificallyThe York S1 2790 3171 Fan Switch is an essential OEM component designed for precise fan and limit control in residential heating systems. As an industrial grade furnace fan limit switch replacement, this part ensures optimal airflow by managing the blower activation cycle and providing critical high limit safety protection. This switch is the direct manufacturer specified equivalent for the F120 35F fan switch, engineered to maintain system integrity
US$ 46.99
US$ 60.99
US$ 36.50