Annovi Reverberi Gymatic 3B Unloader Valve – 250 Bar – Control Set with Built-in Bypass – Part No: 20080 / 20802The Annovi Reverberi Gymatic 3B Unloader Valve is a high quality pressure regulating control set, designed to protect pressure washer pumps by relieving pressure when the trigger is released. While pump pressure is reduced to zero at shut off, line pressure remains trapped in the high pressure hose maintaining instant readiness without cycling the pump. With a maximum working pressure of 250 Bar (3625 PSI) and a flow rating up to 35 L min, this