If cleaning valves and O-rings does not stop leaks, they should also be replaced. Water being pressurized by the pump must be redirected once the spray nozzle closes. Pressure may be increased if the regulator is going out and letting water enter the machine more quickly.If you feel confident enough, you can take the unloader valve apart and inspect it for wear and damage.
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All Rights Reserved\"}","expertJSON":{"imageURL":"https:\/\/www.powerequipmentdirect.com\/images\/experts\/expert-main-6.png","href":"\/pressure-washer-product-expert.php","title":"Contact Jim @ Pressure Washers Direct","expertName":"Jim","expertTitle":"Pressure Washer Expert"},"bbbJSON":{"imageURL":"https:\/\/www.powerequipmentdirect.com\/images\/badge-bbb.png","imageAlt":"Better Business Bureau\u00ae","href":"http:\/\/www.bbb.org\/chicago\/business-reviews\/industrial-equipment-and-supplies\/power-equipment-direct-in-bolingbrook-il-57001088","title":"Pressure Washers Direct - A+ Rating - Better Business Bureau\u00ae"},"zipCode":null,"phoneNumber":"","loginToken":"028b9e0998e8202af0dd5f80c43016d2f6d68055fb1133f8549a1c6507ee4c28","iterable":"e4b27e68b9c84fbb940829a0a9ee29d7"} By Otherwise, it should probably go to a shop, but you should eliminate other possibilities before getting involved with the power pump.Also, the low pressure may be from a mis-adjustment on the unloader valve (adjusted too low).
On amazon i was able to buy a Karcher Trigger Gun and 25ft Replacement Hose Kit