Pressure-Pro HBS12V40 12-Volt Diesel Hot Box – 4.0 GPM @ 4000 PSI

Part Number: HBS12V40
Category: Pressure Washer Heating Systems
Type: 12-Volt Diesel Hot Water Burner System – 4.0 GPM, 4000 PSI, Auxiliary Heater Module

The Pressure-Pro HBS12V40 12-Volt Diesel Pressure Washer Heater is a compact, high-efficiency hot water burner module designed to convert an existing cold water pressure washer into a powerful hot water cleaning system. Rated for 4.0 GPM at 4000 PSI, this unit features a Schedule 80 heating coil, Beckett diesel burner, and adjustable thermostat, delivering consistent heat for grease cutting, oil removal, and heavy-duty cleaning. Built on a rugged powder-coated steel frame, the HBS12V40 is ideal for mobile, fleet, and field applications where 12-volt power is available.

⚠️ IMPORTANT: This unit does NOT include a pressure washer and must be used in conjunction with an existing pressure washer.

Standard Features

• Rugged powder-coated steel frame

• Super-efficient Schedule 80 heating coil

• Stainless steel coil wrap

• 8-gallon poly diesel fuel tank with fuel filter

• Reliable Beckett diesel burner

• Adjustable thermostat temperature control

• Safety pressure relief valve

• 35′ power cord with GFCI (115-volt models)

• 13″ flat-free tires (4-wheel models)

Electrical Requirements

• 12-volt models require a 20-amp continuous power supply (not included)

Important Notes

• Heater module only – pressure washer NOT included

• Designed to operate with an existing pressure washer system

• All units are factory assembled, tested in the USA, and delivered ready to operate

Available Options

Horizontal Models Only

• PKW006 Wheel Kit with Handle Assembly

Applications

• Fleet and equipment degreasing

• Heavy oil and grease removal

• Industrial maintenance cleaning

• Mobile wash rigs

• Field-service pressure washing systems