The Gas Engine Series consists of the most compact and portable hot water pressure washers on the market. Powered by reliable gasoline engines, all you need is water and you can clean anywhere anytime. The five models offer a broad range of cleaning power, from 3.0 to 4.0 GPM and from 2400 to 3500 PSI. All models feature Hotsy’s highly efficient Triplex pump backed by Hotsy’s 7-year pump limited warranty and all are ETL safety certified. All models are equipped with a standard pressure switch and 50’ hose.