Suttner Unloader | ST-261 | Pressure Regulator Valve | Pump Bypass Valve

Our Suttner ST-261 pressure regulating unloader valves are offered in a variety of configurations; as a standard unloader valve, unloader valve with chemical injector, unloader bypass with micro switch, and unloader bypass valve with micro switch and chemical injector. Our Non-Adjustable detergent injectors are for pressure washers up to 5.5 GPM, and with internal components constructed of stainless steel, using PTFE and Viton seals, our pressure regulators are resistant to harsh chemicals and high temperatures. Easy to plumb to a wide variety of pressure washer pumps including General Pump, Hotsy Pumps, Annovi Reverberi Pumps and more!