Johnson Controls T-4000-2145 Plastic Cover and potential moisture carryover into

and potential moisture carryover into downstream sensitive pneumatic instrumentation

a Viton glass gasket set is recommended to ensure chemical compatibility

This switch mounts directly to the burner box

including the MP909 and MP913 series

With the power off

Johnson Controls T-4000-2145 Plastic Cover and potential moisture carryover intoThe Johnson Controls T 4000 2145 Plastic Cover is a professional grade replacement engineered specifically for T 4000 series pneumatic thermostats. This beige thermostat cover is designed for vertical mounting applications and provides a clean, secure finish for your field installations. Featuring a single set point window, it allows for immediate visual verification of thermostat settings without the need to remove the housing, streamlining routine