Suttner ST-261/I Unloader Valve w/ 2.4 mm Injector, 3625 PSI

SKU 8.712-684.0 Category
  • PSI: 500-3650
  • GPM: 3.35-5.0
  • Max Temp: 176°F
  • 3/8″ FPT Inlet & Outlet
  • 1/4″ FPT Bypass
  • Includes 2.4 mm Chemical Injector
Genuine Suttner OEM Parts


Part Number: 8.712-684.0
Cross Reference Part Number(s): 462693, 87126840
Manufacturer’s Part Number (MPN): 200261580

This 8.712-684.0 Suttner ST-261/I Unloader Valve is designed with a forged brass body, stainless steel plunger and seat, and Viton seals. Operating pressure can be set from 500 – 3625 PSI, up to 176 Degrees F temperature. Included is a 2.4mm Non-Adjustable chemical injector, rated for up to 5.0 GPM.






1/4" FPT

Connector / Inlet

3/8" FPT


3/8" FPT

Unloader Features

Includes Injector

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In honor of the Memorial Day weekend, Northstar Clean Concepts will be operating at limited capacity on Friday, May 24th, 2024, and will be closed on Monday, May 27th.

As a result, orders placed after 12:00pm (PDT) on May 24th may not be processed until Tuesday, May 28th. 

If you have any questions, please feel free to call us during our regular business hours, 7:30a-4:00p (PDT), at (509) 547-2323 and we will be happy to help!

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