EZBrite Low Flow Switch features micro-switch technology which eliminates the reed switch. Valves activate on as little as 1/2 gpm flow. Maximum flows to 10 gpm. Valve can be mounted in any position. Rated to 4000 psi, 250 volts and 180 Deg. F. Switch rating is 5 amps. Ports are 3/8" FPT Converts pressure washer burners for use on upholstery cleaning and carpet cleaning wands and allows the burner to activate with the trigger is pulled. Also marketed under GP# 100904 Price includes free installation on pressure washer if pressure washer is purchased from SteamBrite too. See examples below. Options NorthStar 157495 NorthStar: 350,000 btu water heater for pressure washing, Tile Cleaning, and carpet cleaning 20120528djc