Johnson Controls T-4002-301 Conversion Kit Refrigerant The durable composite construction resists

The durable composite construction resists the corrosive properties of acidic condensate

013 orifice (part number 660922) pre-installed

When replacing older Carrier defrost control boards

this unit is specifically designed to facilitate the reliable ignition sequence required for high-efficiency Sterling unit heaters

the manual reset requirement forces a physical inspection of the heat exchanger and venting system before the equipment can be returned to service

Johnson Controls T-4002-301 Conversion Kit Refrigerant The durable composite construction resistsThe Johnson Controls T 4002 301 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 55 85F dial range, providing precise setpoint control for single temperature applications. Engineered for seamless integration into existing pneumatic control loops, the assembly simplifies the transition from older dual tube or single tube