provided the base T-4000 unit is selected for the specific control action required

the thermal limit has failed and the switch must be replaced

this transformer is specifically designed for 480V primary input

the Johnson Controls JG24A020 represents a ruggedized on/off electric zone valve actuator engineered for precision water and steam control

ensuring consistent wall thickness and performance under pressure

Johnson Controls T-4002-303 Conversion Kit R-410A provided the base T-4000 unitThe Johnson Controls T 4002 303 Conversion Kit is a professional grade solution designed for upgrading or replacing legacy pneumatic thermostats in commercial HVAC systems. This Direct Acting kit features a standard 55 85F dial range, providing precise pneumatic control within tight tolerances for optimized building automation. Engineered to replace Honeywell, Robertshaw, or older Johnson Controls models, the T 4002 303 streamlines the retrofitting