Field Controls 46111501 Switch Kit 319847-401 While the threading is standard

While the threading is standard

Common Questions Can I use this SPDT relay in place of an SPST model

and 4-section boilers

Advanced Control Logic: Communicates directly with the system control board to maintain consistent CFM even as static pressure increases

Common Questions What is the thread size for the 4201R-3

Field Controls 46111501 Switch Kit 319847-401 While the threading is standardThe Field Controls 46111501 Switch Kit, model SSK 1, is a critical safety component designed for spillage sensing in millivolt and 24Vac heating systems. This thermal safety switch kit features a manual reset mechanism calibrated to 180 degrees Fahrenheit, ensuring that the system shuts down if flue gases are detected in the draft hood or burner area. The kit is engineered for reliability in gas fired appliances, providing a fail safe against blocked