📘 Simpson manuals • Free online PDFs
Simpson logo

Simpson Manuals & User Guides

Simpson Cleaning is a leading manufacturer of premium gas and electric pressure washers, generators, and outdoor power equipment for residential and commercial use.

Tip: include the full model number printed on your Simpson label for the best match.

About Simpson manuals on Manuals.plus

Simpson Cleaning is a renowned industry leader in the design and manufacturing of high-performance pressure washers and outdoor power equipment. Operated by the FNA Group, Simpson is best known for its "MegaShot," "PowerShot," and "Aluminum Series" pressure washers, which combine durable frames with powerful engines from Honda, Kohler, and CRX to deliver professional-grade cleaning results.

Beyond pressure washers, the brand's portfolio includes generators, water trailers, and pump replacement parts, serving both DIY homeowners and professional contractors. Known for reliability and innovation, Simpson products are engineered to handle the toughest cleaning jobs with ease.

Simpson manuals

Latest manuals from manuals+ curated for this brand.

Simpson 150-2 Amp Clamp Operator's Manual

Operator's Manual
This operator's manual provides comprehensive instructions for the Simpson 150-2 Amp Clamp, covering its technical specifications, safe operation, installation, controls, and applications for measuring AC current in various electrical systems.

Simpson Model 880 Voltmeter and Wattmeter Operator's Manual

operator's manual
Comprehensive operator's manual for the Simpson Model 880 Voltmeter and Wattmeter. Covers specifications, operation, maintenance, test procedures, and circuit diagrams for these electrical measurement instruments. Note: This product is marked…

Simpson SPG7593E Generator Parts Breakdown

Parts List
Detailed parts breakdown for the Simpson SPG7593E PowerShot generator (Model 70007). Includes part numbers, descriptions, and item references for maintenance and repair.

Simpson manuals from online retailers

SIMPSON Cleaning 3600 PSI Gas Pressure Washer User Manual

ALH3425 • August 28, 2025
This manual provides essential information for the safe operation, maintenance, and troubleshooting of your SIMPSON Aluminum Series 3600 PSI Gas Pressure Washer, Model ALH3425. Designed for professional cleaning…

Simpson support FAQ

Common questions about manuals, registration, and support for this brand.

  • Who manufactures Simpson pressure washers?

    Simpson pressure washers are manufactured by the FNA Group, a vertically integrated manufacturer of power equipment.

  • How do I contact Simpson customer support?

    You can contact Simpson customer service by calling 1-877-362-4271 or emailing cservice@fna-group.com.

  • Where specific oil should I use for my Simpson pressure washer pump?

    Many Simpson pumps use SIMPSON Premium Pump Oil or a non-detergent 30W oil. Always check your specific model's manual for the correct fluid specifications.

  • How do I winterize my Simpson pressure washer?

    To prevent freeze damage, the pump must be drained of water and treated with a pump guard protectant before storage in cold temperatures.

  • Where can I find my model number?

    The model number is typically located on a silver or white decal on the frame of the unit.