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D-HB80-AC Dragon Hot Box – 8 GPM – 4000 PSI – 420,000 BTU – 120V

by Dragon
Original price $3,640.00 - Original price $3,640.00
Original price
$3,640.00
$3,640.00 - $3,640.00
Current price $3,640.00

Part Number: D-HB80-AC
Category: Pressure Washer Accessories → Hot Boxes → Hot Water Conversion Systems
Type: Dragon Hi-Flow Hot Box


The D-HB80-AC Dragon Hot Box – 8 GPM – 4000 PSI – 420,000 BTU – 120V is a heavy-duty commercial-grade hot water conversion system designed to transform compatible cold water pressure washers into complete hot water cleaning units. Engineered for industrial, contractor, agricultural, fleet, and heavy-duty maintenance applications, this Dragon Hi-Flow Hot Box delivers powerful heat generation, high-flow cleaning support, and reliable hot water performance for demanding washdown and degreasing environments.

Image shown for illustrative purposes only


Key Features & Benefits

  • Heavy-duty Dragon Hi-Flow Hot Box hot water conversion system
  • Converts compatible cold water pressure washers into hot water cleaning systems
  • Supports up to 8 GPM maximum flow rate
  • Rated for 4000 PSI maximum pressure
  • Powerful 420,000 BTU heating output
  • Powered by 120V electrical supply
  • Designed for industrial, contractor, fleet, and agricultural applications
  • Improves grease-cutting and contaminant removal efficiency
  • High-flow hot box design for demanding cleaning systems
  • Suitable for stationary or mobile wash setups
  • Built for dependable commercial-duty operation
  • Helps improve cleaning productivity and long-term performance

Technical Specifications

Model: D-HB80-AC
Series: Dragon Hi-Flow
Type: Hot Box / Hot Water Conversion System
Max Flow Rate: 8 GPM
Max Pressure: 4000 PSI
Burner Output: 420,000 BTU
Voltage: 120V
Dimensions: 21" L × 26" W × 46" H
Unit Weight: 375 lbs
Application: Cold water to hot water pressure washer conversion for commercial and industrial cleaning systems


Typical Applications

  • Converting cold water pressure washers into hot water systems
  • Fleet washing and maintenance
  • Heavy equipment cleaning
  • Industrial washdown and degreasing
  • Agricultural machinery cleaning
  • Oil and grease removal
  • Contractor wash systems
  • Shop and facility maintenance
  • Trailer-mounted wash rigs
  • Commercial hot water cleaning setups

Performance Advantages

  • Converts cold water systems into complete hot water cleaning units
  • 8 GPM capacity supports high-flow cleaning for demanding applications
  • 4000 PSI compatibility supports professional pressure washer integration
  • 420,000 BTU output provides strong temperature rise for grease-cutting efficiency
  • Hot water improves oil, grime, and heavy contaminant removal
  • 120V setup supports dependable fixed-location operation
  • Large-frame design supports heavy-duty commercial cleaning use
  • Helps improve cleaning speed, productivity, and long-term equipment reliability

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