Johnson Controls T-4002-303 Conversion Kit 30067439-890 this controller prevents excessive compressor

this controller prevents excessive compressor short-cycling

it remains offline until a technician performs a manual inspection

This mechanical metering device utilizes a reliable power element and diaphragm assembly to react to thermal load changes without the need for complex electronic controllers

It is designed to fit the same footprint and use the same electrical interface in compatible air handlers

providing the necessary mechanical linkage when direct actuator mounting isn't feasible

Johnson Controls T-4002-303 Conversion Kit 30067439-890 this controller prevents excessive compressorThe 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