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Designed to maintain the integrity of electrical connections
Professional Grade: Heavy-duty construction designed for the high-temperature demands of gas-fired water heating systems
Frequent tripping usually indicates restricted airflow
Durable Construction: High-quality aluminum build provides resistance to corrosion and mechanical stress in industrial ducting
York S1-025-35397-000 Limit Control Designed to maintain the integrityThe York S1 025 35397 000 is an essential manual reset limit control engineered for precision thermal monitoring within high efficiency furnace heat exchangers and air handling units. As a genuine OEM York replacement part, this HVAC safety switch is calibrated to provide high limit protection by breaking the electrical circuit to the gas valve or ignition control if internal temperatures exceed factory safety thresholds. Unlike automatic switches,