Johnson Controls T-4000-119 Tool For 8-pin (2-pole) RR series

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

Repeated tripping is usually indicative of restricted airflow

ensuring a precise fit within the pilot chamber

low suction pressure

the 4520-2030-000 is a reliable solution for over-temperature protection in commercial and residential heating applications

Johnson Controls T-4000-119 Tool For 8-pin (2-pole) RR seriesFor service technicians managing legacy pneumatic systems, the Johnson Controls T 4000 119 is the standard Allen head adjustment tool required for the precise calibration and maintenance of T 4000 series pneumatic thermostats. This specialized tool features a hardened Allen head tip specifically machined to engage with the setpoint adjustment screws and cover mounting hardware on Johnson Controls pneumatic controllers. Unlike standard hardware store