General Pump - Interpump 66 series W4518 triplex pressure wash pump

150 - Electric Start (18amp charge)

Brush Skirt

Easily connects with the quick connectors and store in tool kit for use only when necessary

PA VB-8 unloader valve with optional pressure switch

PA VBHT33 Hot Water Unloader Valve 21gpm 4500psi easy-start-valves General Pump - Interpump 66PA VB HT33 hot water unloader valve. 4500psi Maximum Rated Pressure 21 gpm 1 2" Inlet Outlet Bypass 90C 195F (continuous duty) **Caution** Unloader valves are one of the most important safety devices on a pressure washer system. Failure to install and set the unloader properly could result in a very dangerous situation causing severe damage to the pump and possibly the operator. Professional installation is required.