This tool is essential for technicians managing Barber Colman 2000 series thermostats and 2341 Series Receiver-Controllers

What causes a 160°F limit switch to trip frequently

It simplifies field service by consolidating two protection devices into a single housing

refrigeration units

Johnson Controls T-4756-1738 Plastic Cover This tool is essential forThe Johnson Controls T 4756 1738 is a durable beige plastic thermostat cover and faceplate designed specifically for the T 4000 series pneumatic room thermostats. This field replacement component is engineered for horizontal mounting configurations where dual setpoint visibility is required. It features two clear setpoint windows to accommodate high low or heating cooling adjustments without removing the enclosure. The integrated bimetal thermometer