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Delta DTH2450 Pressure Washer Problem

Posted by whitewater114 none (My Page) on
Sat, May 28, 11 at 8:12

I have a lightly used gas Delta DTH2450 pressure washer with Honda engine.

It ran perfectly for 7 years up until yesterday. Halfway through washing the deck, the high pressure would not work, to the point when you pull the trigger, no water exits the wand in high pressure mode. The unit sprays water in low pressure mode.

I checked the water inlet and house water pressure. Both are fine. No leaks from the washer itself.

I did some research and think it may be a stuck unloader valve.

I want to service it myself. Does anyone know where on the unit the unloader valve is located? Do I need to pull the engine to service the unloader valve or pump? Any recommendations on service related to this issue?

Any advice would be greatly appreciated.

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