Field Controls 46111501 Switch Kit 319847-401 The Johnson Controls A19BUC-2 is

The Johnson Controls A19BUC-2 is a heavy-duty explosion proof temperature control engineered for hazardous environments requiring precision and durability

Rugged Durability: Features an all-welded steel body with a premium powder coat finish to prevent environmental corrosion

Rugged Build Quality: Features a moisture-resistant seal and a 3-inch sensor length for durable performance in harsh HVAC/R environments

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

While the threading is standard

Field Controls 46111501 Switch Kit 319847-401 The Johnson Controls A19BUC-2 isThe 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