P38 – Balance Supply Valve Regulator P38 – Balance Supply Valve RegulatorProduct Highlight UL listed Minimal supply pressure effect 400 PSIG supply / 260 scfm; 27 Mbtu/hr. flow 3/8”, 1/2”, 3/4” and 1” connections – 1/4” tapped vent 30 to 125 psig in 3 ranges Find Out More null2019-11-18T08:27:48+00:00