12VDC, 8-10 GPM Diesel Fired Hot Box - 99012V

Turn Cold Water Pressure Washers into a Hot Water Beast The BE Power Equipment 99012V Vertical Diesel-Fired Hot Box is built for professionals who need serious heat and high flow without upgrading to a full hot water pressure washer. Designed to pair seamlessly with existing cold water pressure washers, the 99012V delivers on-demand hot water for faster, more effective cleaning on demanding job sites. Engineered for high-volume applications, this hot box supports 8.0–10.0 GPM, making it ideal for fleet washing, agriculture, heavy equipment, and industrial cleaning. Powered by a 12VDC system and producing 420,000 BTU, the 99012V heats water up to 93°C / 200°F, dramatically improving grease removal and reducing chemical use. Housed in a rugged powder-coated steel frame, the vertical design keeps the footprint compact while delivering industrial-grade durability and performance. Built for High-Flow Hot Water Performance The 99012V is purpose-built for operators who require heat at higher flow rates. Adding hot water to your pressure washer allows you to: Cut through grease, oil, and heavy grime faster Reduce detergent usage Improve cleaning efficiency on large surface areas Tackle tough industrial and agricultural cleaning jobs Features High-Output Diesel Heating System At the core of the 99012V is an SDC diesel burner with electronic ignition, designed for reliable ignition and consistent heat output in demanding environments. 420,000 BTU output Maximum water temperature of 93°C / 200°F 12VDC operation Toggle burner on/off switch Inline fuel filter for burner protection Heavy-Duty Heating Coil Assembly To support high flow rates, the 99012V features an extended 260’ x 1/2” Schedule 80 cold-rolled steel heating coil. Designed for 8.0–10.0 GPM systems Schedule 80 construction resists pressure and thermal stress Optimized for long service life and efficient heat transfer Integrated Safety and Flow Monitoring The 99012V includes essential protection features to ensure safe and controlled operation: Flow switch to monitor water movement Rupture disk for pressure protection Toggle burner switch for operator control Inline fuel filter to protect burner components Extended Runtime Fuel Capacity A 7-gallon (26.5 L) black poly diesel fuel tank provides long run times, allowing operators to work longer without frequent refueling. Industrial Frame Construction The powder-coated steel frame delivers strength, corrosion resistance, and stability on demanding job sites. The vertical layout keeps the unit compact while maintaining easy access for service and maintenance. Product Specifications Model: 99012V Compatible Flow Rate: 8.0–10.0 GPM Power Supply: 12VDC Battery Required: Group 24 Deep Cycle (not included) Cord / Plug: No cord / No plug Burner: SDC diesel burner with electronic ignitor BTU Output: 420,000 Maximum Water Temperature: 93°C / 200°F Heating Coil: 260’ x 1/2” Schedule 80 cold-rolled steel Fuel Tank Capacity: 26.5 L / 7 gal black poly Adjustable Thermostat: Yes Flow Switch: Yes High Limit Switch: No Rupture Disk: Yes Inline Fuel Filter: Yes Burner Switch: Toggle Warranty Coverage Burner: 3 Years Heating Coil: Lifetime Shipping Information Shipping Weight: 545 lbs Shipping Dimensions (L × W × H): 48” × 40” × 62” Factory Tested for Performance All BE Power Equipment hot boxes are tested prior to shipping. Units may show signs of testing or residual fuel odor, confirming proper operation and quality control. Serious Heat for High-Flow Cleaning For professionals running high-GPM cold water pressure washers who need reliable hot water performance, the 99012V Hot Box delivers industrial he