refrigeration units

The 3/8" MPT branch should be installed with a compatible thread sealant or tape for a secure

Built as a versatile HVAC high limit replacement

What causes a 160°F limit switch to trip frequently

5 to 2 PSIG

Johnson Controls T-4756-1738 Plastic Cover refrigeration unitsThe 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