D-HB40 Dragon Hot Box – 4 GPM
Part Number: D-HB40
Category: Pressure Washer Accessories → Hot Boxes → Hot Water Conversion Systems
Type: Dragon Hot Box
The D-HB40 Dragon Hot Box – 4 GPM 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 contractor, industrial, agricultural, fleet, and heavy-duty maintenance applications, this Dragon Hot Box provides reliable heat generation, improved degreasing capability, and efficient hot water cleaning performance for demanding washdown environments.
Image shown for illustrative purposes only
Key Features & Benefits
- Converts compatible cold water pressure washers into hot water cleaning systems
- Supports up to 4 GPM maximum flow rate
- Rated for 4000 PSI maximum pressure
- Designed for contractor, fleet, industrial, and agricultural applications
- Improves grease-cutting and heavy contaminant removal
- Compact hot box design for easier integration
- Ideal for stationary or mobile wash systems
- Built for dependable commercial-duty operation
- Helps improve cleaning efficiency and productivity
- Suitable for custom pressure washer conversion setups
Technical Specifications
Model: D-HB40
Series: Dragon
Type: Hot Box / Hot Water Conversion System
Max Flow Rate: 4 GPM
Max Pressure: 4000 PSI
Burner Output: 280,000 BTU
Voltage: 12V
Dimensions: 17" L × 21" W × 40" H
Unit Weight: 225 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
- Mobile trailer wash rigs
- Commercial hot water cleaning setups
Performance Advantages
- Converts cold water systems into hot water cleaning units
- 4 GPM capacity supports strong cleaning flow for medium to heavy-duty applications
- 4000 PSI compatibility supports professional pressure washer integration
- Hot water improves grease, oil, and grime removal efficiency
- Compact footprint improves installation flexibility
- Suitable for mobile or stationary wash systems
- Helps improve cleaning speed, productivity, and long-term cleaning performance
