Johnson Controls T-4000-2138 Plastic Cover Designed for a 1/8" compression

Designed for a 1/8" compression by 1/4" MNPT connection

ensuring a secure fit on the valve stem to prevent slipping or inaccurate settings

Is the S1-024-35596-000 an auto-reset or manual-reset switch

or an audible humming from the compressor indicating a failure to initiate the start winding

Can I use a 5/16" bore blade instead of the 1/4" bore 68005

Johnson Controls T-4000-2138 Plastic Cover Designed for a 1/8" compressionThe Johnson Controls T 4000 2138 is a professional grade beige plastic thermostat cover designed specifically for T 4000 series pneumatic room thermostats. This field standard component provides a clean, streamlined aesthetic for commercial HVAC systems where tamper resistance and a minimalist profile are required. Engineered for versatility, the T 4000 2138 supports both horizontal and vertical mounting configurations, accommodating various pneumatic