The RP972A reverses and increases the capacity of the branch line pressure to the final control device in all types of HVAC systems. May be set to decrease from 13, 16, or 18 psi (90,110 or 124 kPa).

Branch Line Pressure range	0 ... 124 kPa
Max. safe air pressure	207 kPa
Air connection	barb for 5/32" or 4 mm O.D. plastic tubing
Model	Operating Range 0 to 124 kPa