Johnson Controls P74BA-9C

DIFFERENTIAL PRES CONTROL; SPST CLOSE ON INCREASE IN DIFF PRESS 8/70# ADJ; AMMONIA

DIFFERENTIAL PRES CONTROL; SPST CLOSE ON INCREASE IN DIFF PRESS 8/70# ADJ; AMMONIA

Series P74 measures the pressure difference between two sources: supply lines and return lines. A change in differential pressure will reposition the switching mechanism to cause corrective action of the supplementary control equipment.

Features

- Field-proven Pennswitch with a completely enclosed contact mechanism

- Pressure differential setting is easily changed without removing the cover