This Hot Box HEATS the water AFTER the pressure washer PUMP. When the gun is pulled the burner automatically fires and stops when it is released. Simply quick couple the Hot Box's 5ft. jumper hose to almost ANY pressure washer, and attach the pressure washers hose, gun, wand and nozzles to the outlet on the Hot Box. This unit continuously heats 4gpm up to 195 degees with the adjustable thermostat.

This unit features a STAINLESS STEEL coil skin, burner cover, exhaust flue, outer body cover, a large 7.5 gallon see through fuel tank, pneumatic ball bearing tires with a solid 3/4 axle and a 35ft gfci power cord. It only needs 6 amps of 115 volts electricity (optional 12 volt models available) and heats with diesel, fuel oil or kerosene and is available in 4000 psi rated models.