Johnson Controls T-4000-2146 Plastic Cover allow the furnace to run

allow the furnace to run with insufficient venting

Key Benefits Precise 0

Reliable signal transmission is essential for maintaining proper combustion blower operation and system efficiency throughout the heating cycle

This manual reset limit switch is factory-calibrated at a 175°F temperature rating (L175F)

Johnson Controls T-4000-2146 Plastic Cover allow the furnace to runThe Johnson Controls T 4000 2146 is a professional grade vertical pneumatic thermostat cover designed for heavy duty commercial and industrial HVACR environments. This beige plastic enclosure is specifically engineered for the Johnson Controls T 4000 series, providing a precise fit for vertical mounting configurations. It features a built in ? F ? C thermometer and a setpoint window, allowing for immediate visual verification of ambient temperature