Water Regulating Valve 2 Way NPT Connection Size (In.) 3/4 Port (In.) 3/4 in Design Pressure (PSIG) 150 psig Set Points 70 to 260 Cast Naval Bronze Application Head Pressure Control with Non-Corrosive Refrigerants For Use With Non Corrosive Refrigerants Mfr No STT17A-613R Mfr No SEP13A-603R