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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!

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8.712-681.0 Suttner ST-261 Unloader Bypass Valve Suttner Part Number 200261500 3625 PSI Suttner ST-261 Unloader
8.712-681.0

No Detergent Injector

Our Price: $78.34
8.712-682.0 Suttner ST-261 Unloader Bypass Valve with 2.4 GPM Detergent and Chemical Injector 3625 PSI 3625 PSI Suttner ST-261I Unloader
8.712-682.0

Includes 2.4 GPM Detergent Injector

Our Price: $88.18
8.712-683.0 Suttner ST-261 Unloader Bypass Valve with 3.5 GPM Detergent Chemical Injector, 3625 PSI 3625 PSI Suttner ST-261I Unloader
8.712-683.0

Includes 3.5 GPM Detergent Injector

Our Price: $95.18
8.712-684.0 Suttner ST-261 Unloader Valve with 5.5 GPM Detergent Chemical Injector, 3625 PSI 3625 PSI Suttner ST-261I Unloader
8.712-684.0

Includes 5.5 GPM Detergent Injector

Our Price: $96.10
8.712-685.0 Suttner ST-261 Unloader Valve with Normally Closed Micro Switch, 3625 PSI 3625 PSI Suttner ST-261S Unloader
8.712-685.0

Includes Normally Closed Micro Switch

Our Price: $123.82
8.712-686.0 Suttner ST-261 Pressure Regulating Unloader Bypass Valve with Micro Switch and Chemical Injector 3625 PSI 3625 PSI Suttner ST-261SI Unloader
8.712-686.0

Includes Normally Closed Micro Switch
and 2.4 GPM Detergent Injector

Our Price: $152.84
8.904-576.0 Suttner ST-261 Unloader Bypass Valve with Micro Switch and Chemical Injector, 3625 PSI 3625 PSI Suttner ST-261SI Unloader
8.904-576.0

Includes Normally Closed Micro Switch
and 3.5 GPM Detergent Injector

Our Price: $166.57
8.904-577.0 Suttner ST-261 Unloader Bypass Valve with Micro Switch and 5.5 GPM Chemical Injector, 3625 PSI 3625 PSI Suttner ST-261SI Unloader
8.904-577.0

Includes Normally Closed Micro Switch
and 5.5 GPM Detergent Injector

Our Price: $162.91