Johnson Controls T-4000-2139 Cover This 140-200F Auto Limit Switch

This 140-200F Auto Limit Switch monitors internal air temperatures

Constructed from heavy-duty elastomer to resist industrial wear and fatigue

and DH75T60F models

Does this part fit older Miller or Intertherm furnaces

and MP-5200-0-0-2 series actuators when they are being installed on legacy Barber Colman linkages

Johnson Controls T-4000-2139 Cover This 140-200F Auto Limit SwitchThe Johnson Controls T 4000 2139 is a professional grade horizontal thermostat cover designed specifically for the T 4000 Series pneumatic room thermostats. Engineered for sleek, unobtrusive installation, this beige plastic cover features a clean aluminum faceplate without a thermometer window or setpoint adjustment openings. This configuration is ideal for facilities where unauthorized tampering must be minimized while maintaining a uniform aesthetic