Johnson Controls T-4756-1738 Plastic Cover featuring a L300F temperature limit

featuring a L300F temperature limit for high-sensitivity detection

Common Questions: Can this switch be used to fix a furnace that is short-cycling

Universal Compatibility: The 15 Microfarad rating makes it a versatile drop-in for various OEM blower motors and condenser units

the 3L09-20 provides the exact fixed temperature settings required to maintain system safety and ASHRAE compliance

Johnson Controls T-4756-1738 Plastic Cover featuring a L300F temperature limitThe 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