Description
The Johnson Controls P74FA-5C Differential Pressure Control is an essential part of HVAC systems, which is used to control pressure differentials in the range of 8-60 PSI. This has a brass bellows build and a 1/4” female NPT coupling that is reliable. The control accurately regulates the pressure of HVAC equipment through a constant 1.5 PSI switch differential. This device is based on the pressure changes detected by a brass bellows mechanism. The control starts changes to keep the pressure at the right level to avoid damaging the equipment or getting the best performance when pressure is out of the expected range. It can be applied in any HVAC system to ensure that the pressure variation is constant, especially for the best performance of the systems.
