For any pressure washer repair or maintenance job, Jack's can quickly supply you with replacement pressure washer parts. Serial 04107578. Powerhorse Generator Manuals, Powerhorse Pressure Washer Manuals . Powerhorse Pressure Washer Parts . Powerhorse. Powerhorse Contact Information. Powerhorse M157711C.1 Manuals & User Guides User Manuals, Guides and Specifications for your Powerhorse M157711C.1 Pressure Washer. While updating our list of best electric pressure washer for 2020, we made sure to include the Powerhouse International Pressure Washer on our roundup list of the best pressure washer options. Price $ 385. When we launched we started selling two models of pressure washers (the Force 1800 and 2000) and over the first two years of business we … Light to moderate users should expect to get years of use out of this system with proper engine maintenance. fill the engine with gasoline when the engine is running, hot or near an open flame. A