Field Controls 1170004 Switch 318423-701 This 8-foot linear limit protector

This 8-foot linear limit protector is engineered to provide robust safety across various electric heating applications

they can be converted for bi-flow operation using a specific internal component kit

This Trane HVAC heater is compatible with a wide range of high-efficiency models

increasing fail-safe reliability

Field Controls 1170004 Switch 318423-701 This 8-foot linear limit protectorThe 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