This Snap-on 870591 2,700 PSI gasoline pressure washer is powered by a durable, high-performance 7HP engine coupled to an industrial triplex pump that flows 2.2 gallons per minute.  Easy pressure output adjustment from 1 to 2,700 PSI, depending on spray nozzle in use.  1 gallon on-board detergent tank.

NOTE: We are not Snap-on or affiliated with them. We did not sell these Pressure Washers but do offer some parts for them, as shown below.

IF REPLACING THE GUN, measure the end of hose where o-ring is located using a 14 and 15mm open end wrench to see what size you have.

Snap-on 870591 Owners Manual