Field Controls 1170004 Switch R-134A it ensures seamless mechanical compatibility

it ensures seamless mechanical compatibility

55" length against existing fan wheels and bearings to ensure a seamless mechanical fit and precise alignment within the drive cabinet

Bypassing a safety limit switch is never recommended for permanent operation

Manufactured to original equipment specifications for reliable installation

Integrated valve position indicator for accurate status monitoring

Field Controls 1170004 Switch R-134A it ensures seamless mechanical compatibilityThe Field Controls 1170004 (FTS 4) is a critical manual reset thermal safety switch designed to protect gas fired furnaces, boilers, and water heaters from hazardous flue gas spillage. This SPST thermal switch monitors temperatures at the draft hood or barometric control, effectively de energizing the burner circuit if hot gases escape due to a blocked flue or inadequate chimney draft. Engineered for heavy duty applications, it features a 140F fixed