These unloader valves for pressure washer pumps, model FJ0233, are small pressure regulating valves marked for 7.5KW pump heads. The valve fits into the pump head to control the pressure the pump delivers, and it is a fine thread part with a 20mm thread, so check the thread against your pump before ordering.
Features and benefits:
- Marked for 7.5KW pump heads: suited to larger car washing machines, with the rating printed on the part
- Fine thread, 20mm thread size: a compact valve that screws into the pump head
- Compact size, 15mm long with a 17mm outer diameter: easy to handle and fit on the bench
- Stainless steel seal ring and O-ring supplied: the sealing parts are included with the valve
- Light at 192g on the scale: no bulk added to the pump head
Applications:
- Replacing a worn or leaking unloader valve on a 7.5KW pressure washer pump head
- Car washing machine pump repairs and servicing
- Pressure washer pump parts stock for workshops and cleaning contractors
In the box:
- 1 x pressure regulating valve
- 1 x stainless steel seal ring with O-ring
Note: Check the thread size, length and outer diameter against your pump head before ordering, as unloader valves differ between pump models. Depressurise the machine and switch off the power before removing or fitting the valve.
Product type: Pressure regulating unloader valve. Model number: FJ0233. Pump rating: Marked for 7.5KW pump heads. Thread type: Fine thread. Thread size: 20mm. Valve length: 15mm. Outer diameter: 17mm. Tip outer diameter: 11mm. Seal: Stainless steel seal ring with O-ring included. Fits: High pressure washer pump heads, car washing machines. Dimensions: 15mm long, 17mm outer diameter, 11mm tip diameter. Weight: 192g as shown on the scale. Thread size: 20mm. Seals: Stainless steel seal ring with O-ring. Package contents: 1 x valve, 1 x stainless steel seal ring with O-ring. Q: What does an unloader valve do on a pressure washer? A: An unloader valve controls the pressure the pump delivers and relieves it when the trigger gun is released. This FJ0233 valve is a pressure regulating type for 7.5KW pump heads.. Q: Which pressure washer brands is this unloader valve listed for? A: The listing gives no machine brand fitment, so do not assume it. It is marked for 7.5KW pump heads, so compare the 20mm thread, 15mm length and 17mm outer diameter with your pump.. Q: What size is the thread on this valve? A: The thread size is 20mm and it is a fine thread. The valve is 15mm long with a 17mm outer diameter.. Q: What is included with the valve? A: You receive the pressure regulating valve and a stainless steel seal ring with an O-ring.. Q: How do I replace an unloader valve on a pressure washer? A: Switch off, disconnect the power and release the pressure first. Unscrew the old valve from the pump head, fit the new valve with its seal ring and O-ring, then test the machine for leaks..