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high-energy spark to minimize delayed ignition and improve overall fuel efficiency in gas-fired units
this step-down transformer provides the stable low-voltage power necessary for thermostats
It features a fixed 200-degree Fahrenheit trip point
preventing electrical feedback and ensuring efficient HVAC blower motor control
For contractors troubleshooting a furnace not igniting
York S1-025-32693-000 Limit Switch high-energy spark to minimize delayedThe York S1 025 32693 000 Limit Switch is a critical high temperature safety component designed for York residential furnaces and HVAC systems. As an OEM replacement part, it ensures precise thermal monitoring within the heat exchanger assembly. This specific automatic reset limit switch is calibrated to open at 260F (260Op), effectively breaking the circuit to prevent overheating, and automatically closes at 230F (230Cl) once temperatures return to a