Johnson Controls T-4002-5017 Dial Reliable Sealing: High-tolerance compression fitting

Reliable Sealing: High-tolerance compression fitting design prevents gas escapement and ensures a vacuum-tight vent path

For 8-pin (2-pole) RR series relays

specifically where the hopper mounts to the cooling cylinder

Plastic caps are intended only for shipping

Johnson Controls T-4002-5017 Dial Reliable Sealing: High-tolerance compression fittingThe Johnson Controls T 4002 5017 Dial is a critical replacement component designed for horizontal mounted thermostats within the T 4000 series pneumatic control systems. This external set point dial facilitates precise manual adjustments of the pneumatic thermostat setpoint, allowing technicians to calibrate or modify space temperature settings without removing the protective cover. Engineered for high volume output thermostats, the dial features a