GP Zk1 Flow Sensitive Unloader 2-10GPM 3600 PSI MAX
SKU: 52462037546

GP Zk1 Flow Sensitive Unloader 2-10GPM 3600 PSI MAX

Sale price$116.99 Regular price$129.99
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

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Description

GP Zk1 Flow Sensitive Unloader 2-10GPM 3600 PSI MAXThe GP ZK1 Flow Sensitive Unloader is a high performance pressure washer component designed to regulate water flow and protect your pump from pressure spikes. Supporting 2 to 10 GPM and a maximum pressure of 3600 PSI, this unloader valve is ideal for commercial and industrial pressure washer systems. Its flow sensitive design ensures smooth pressure transitions, longer equipment life, and enhanced safety during operation. Key Features Flow sensitive

The GP ZK1 Flow Sensitive Unloader is a high-performance pressure washer component designed to regulate water flow and protect your pump from pressure spikes. Supporting 2 to 10 GPM and a maximum pressure of 3600 PSI, this unloader valve is ideal for commercial and industrial pressure washer systems. Its flow-sensitive design ensures smooth pressure transitions, longer equipment life, and enhanced safety during operation.

Key Features

  • Flow-sensitive unloader for pressure washers

  • Adjustable pressure for system customization

  • Handles flow rates from 2 to 10 GPM

  • Maximum pressure: 3600 PSI

  • Durable construction for long-lasting performance

Ideal For

  • Pressure washer unloader valve
  • Flow-sensitive pressure control
  • High-pressure pump protection
  • Industrial power washing systems
  • GP unloader valve replacement

ZK1 Unloader by General Pump

Flow Sensitive Unloader 2-10 GPM 3600psi max.

Specs

GPM

2.3 to 10.8

Max PSI

3600

Inlet

3/8" BSP-F

Outlet

1/2" BSP-M

Bypass

1/2" BSP-M

Temperature

165° F

Ship Weight

2.3 lbs.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 52462037546

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P
Verified Purchase
Paul P.
Phoenix, US
★★★★★ 5
Perfect
Color: 20pcs
Excellent value and a perfect replacement for the OEM clips. Nice secure hold.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 22, 2025
B
Verified Purchase
B. G.
Grantham, US
★★★★★ 5
Noticeable Improvement in Engine Smoothness
Size: 150 ml, Pack of 1
I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive. It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives. While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.
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Reviewed in the United States on March 7, 2026
J
Verified Purchase
Jack
Louisville, US
★★★★★ 5
Must have.
Size: 150 ml, Pack of 1
Very good product, works great.
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Reviewed in the United States on May 7, 2026
R
Verified Purchase
Robert Cordrick
Cuba, US
★★★★★ 5
Good for routine engine care
Size: 150 ml, Pack of 1
Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.
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Reviewed in the United States on April 21, 2026
S
Verified Purchase
Susie
West Palm Beach, US
★★★★★ 5
Worth the money
Size: 150 ml, Pack of 1
Great line of car products. My BMW gets better gas mileage when I use it regularly.
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Reviewed in the United States on April 1, 2026

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