General Pump K5.2 Unloader Valve, 3000 PSI 6.6 GPM, 1/2″ MPT Out

SKU 8.712-614.0 Category
  • Max PSI: 3000
  • GPM: 4.22-6.60
  • Max Temp: 165°F
  • 3/8″ FPT Inlet
  • 1/2″ MPT Outlet
  • 3/4″ MPT or 1/2″ FPT Bypass
General Pump
Genuine General Pump OEM Parts


Part Number: 8.712-614.0
Cross Reference Part Number(s): 462552E, 87126140
Manufacturer’s Part Numbers (MPNs): ZK52, 10ZK52

This 8.712-614.0 General Pump K5.2 flow regulated unloader valve relieves line pressure when pressure washer is in bypass mode. Designed with no external moving parts or springs, and all stainless steel and brass components, with dual gauge ports and convenient bypass location. This K5.2 unloader has a 1/2 inch Male Outlet


1/2" FPT, 3/4" MPT

Connector / Inlet

3/8" FPT




1/2" MPT



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In observance of Juneteenth, UPS and some of our manufacturing partners will be closed on Wednesday, June 19th.  This may result in some brief processing and shipping delays on orders placed during the week of June 15th – June 21st.

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