Simpson Manuals & User Guides

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.

• 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.