Water Pressure Regulating Valve, Set @ 45 Psi, Max Temp = 180 F, Max Press - 400 Psi, Range 10-70 Psi, 3/4" Fpt, Hatco Boosters Compact And Imperial, C-12, C-13, C-15, C-17, C-18, C-24, C-27, C-30, C-39, C-4, C-45, C-5, C-54, C-58, C-6, C-7, C-9, Mc-10, Mc-11, Pmg-100, Pmg-200, Pmg-60, Pmgh-60, S-12, S-13, S-15, S-17, S-18, S-24, S-27, S-30, S-36, S-39, S-40, S-45, S-54, S-57, S-58, S-6, S-9,