Johnson Controls P20AB-3 Pressure Control Els PW 17895 Designed as a normally closed
Baker’s notes & crumb story
Description
Designed as a normally closed
As a veteran-grade HVAC safety switch
hydronic systems
it allows for the simultaneous control of two separate circuits
Johnson Controls P20AB-3 Pressure Control Els PW 17895 Designed as a normally closedJohnson Controls P20AB 3 Pressure Control, 20" Hg to 100 Psi Pressure Range, 36" Capillary, Open Low