General Pump Timax Regulator Valve, 870 PSI 53.0 GPM by | Aug 1, 2026This General Pump Timax Regulator Valve is designed with a brass body and stainless steel plunger and seat. Max GPM: 53. Genuine General Pump OEM Parts. Cross Reference Part Numbers 1″ FPT Bypass. 1/2″ FPT Outlet.