General Pump VB9 Unloader Valve w/ Switch & Check Valve, 3200 PSI 8.0 GPM

SKU 8.715-489.0 Category
  • Rated PSI: 3200
  • Max PSI: 3600
  • Max GPM: 8.0
  • Max Temp: 195° F
  • 3/8″ FPT Inlet & Bypass
  • 1/2″ MPT Outlet
  • Includes Check Valve & 5 Amp Switch
General Pump
Genuine General Pump OEM Parts


Part Number: 8.715-489.0
Cross Reference Part Number(s): 5-3228, 87154890, 921580x
Manufacturer’s Part Number (MPN):YVB9KMSS

This VB9 Trapped Pressure Unloader Valve features a brass valve body and stainless steel ball and seat. It includes a panel mount feature, hex-shape non-stick check valve, and 5 Amp microswitch. With instant pressure response, it reduces trapped pressure to 25% of operating pressure when unloading, allowing for easier gun trigger pull.




3/8" FPT

Connector / Inlet

3/8" FPT


1/2" MPT

Unloader Features

Includes Switch

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Memorial Day Observance

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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