Red Unloader Valve

Interpump Unloader Valve VHP39

Regular price$309.00
Shipping calculated at checkout.

Easy Start Unloader Valve VSP39

  • Part Number: MV4072000011
  • Threads: 3/8" Female
  • Pressure: 5650psi 
  • Temperature: 90°C
  • LPM: 40
  • Low pressure relief valve
  • Directs enough water into by-pass to reach certain pressure
  • Redirecting water to by-pass in low pressure puts less load on the pump 
  • Easy start due to lack of head pressure



Please allow up to 7 business days for your order to be dispatched, especially during busy sales periods. 

Delivery times within Australia for standard post is 1 to 12 days.


To be eligible for a return, your item must be unused, in the original packaging and in the same condition that you received it. It must also be returned within 14 days of the order being placed.

International Shipping

Currently we only ship domestically within Australia, but we are looking to expand!

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.