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Common Questions Is the B1756013HRDF compatible with my older system
Precise Engineering: Designed for an exact fit on vertical backplates using standard technician tools
Safety-First Operation: Prevents gas valve opening in the absence of a verified flame
After the gas valve spring replacement
How do I verify if this resistor is functioning correctly
Field Controls 46086400 Safety Switch Common Questions Is the B1756013HRDFThe Field Controls 46086400, also designated as the Model GSK 3, is a high reliability thermal safety switch engineered for installation on residential and light commercial gas furnaces, boilers, and water heaters. This SPST manual reset switch acts as a critical fail safe by monitoring for flue gas spillage caused by blocked flues, continuous downdrafts, or inadequate draft conditions. When the sensing element reaches 180 degrees Fahrenheit, the