NaceCare DH 420 Steam K-8025054 Hydrowasher – 14", 650 RPM, H-Box, Steam, 110V
NaceCare DH 420 Steam K-8025054 – 14-Inch Steam Hydrowasher with H-Box, Chemical-Free Sanitizing
The NaceCare DH 420 Steam (part number K-8025054) is the steam-equipped version of the DH 420 Hydrowasher — combining the 800,000-bristle counter-rotating cylindrical brush system at 650 RPM with an H-Box that generates steam for chemical-free high-temperature sanitizing. A single machine handles wet scrubbing, interim carpet maintenance, escalator cleaning, and steam sanitizing with brush and mode changes rather than requiring separate equipment for each task.
DH 420 Steam K-8025054 Steam Capability and Cylindrical Brush Specs
- Steam cleaning mode via H-Box: the H-Box generates steam on 110V power for chemical-free sanitizing that replaces disinfectant chemicals on hard surfaces; steam reaches temperatures that kill common pathogens on contact without leaving chemical residue.
- Wet sweep capability: cylindrical brushes collect coarse debris and fine dust simultaneously with scrubbing, eliminating a pre-sweep step before wet cleaning.
- 800,000 bristles / 650 RPM counter-rotating brushes: same high-bristle-density cylindrical brush system as the standard DH 420, reaching grout lines and surface texture that flat disc pads cannot agitate.
- H-Box 110V unlimited runtime: continuous operation without battery depletion; the 16W pump power draws through the H-Box for consistent solution delivery.
- 64 dB(A) quiet operation: same noise level whether operating in wet scrubbing or steam mode; appropriate for occupied facilities during cleaning hours.
- All-surface capability: hard floors, carpets, escalators — UltraBrush compatibility means the same machine adapts to different surfaces with brush changes.
Steam Mode Applications Where the DH 420 Steam Replaces Chemical Disinfectants
Healthcare facilities where chemical disinfectant use on floors is restricted due to patient sensitivity benefit from steam mode's chemical-free sanitizing. In food production and food service areas, steam cleaning eliminates surface pathogens without leaving chemical residue that must be rinsed before food contact. The combined wet scrub plus steam capability means an operator can scrub a restroom floor in wet mode and then steam-sanitize targeted high-touch hard surfaces — toilet bases, grout lines around drains — without switching machines. The wet sweep capability means pre-sweeping is not required before either scrubbing or steam cleaning mode.
DH 420 Steam vs. DH 420 Standard — When to Choose the Steam Version
The DH 420 Steam (K-8025054) costs more than the standard DH 420 Complete Unit (K-8025051) and is the right choice only when steam sanitizing is a required capability rather than an optional upgrade. Healthcare environments with infection control requirements, food service floors, or any facility that would otherwise deploy a separate steam cleaner alongside a floor scrubber benefit from consolidating both functions into the DH 420 Steam. Facilities that only need wet scrubbing should choose the standard DH 420 and save the cost difference.
| Part Number | K-8025054 |
| Cleaning Width | 14 inches |
| Working Capacity | 4,000 sq ft/hr |
| Brush Speed | 650 RPM |
| Brush Pressure | 57 lbs |
| Brush Motor | 500W |
| Pump Power | 16W |
| Power Supply | 110V (via H-Box, unlimited runtime) |
| Steam Mode | Yes (via H-Box) |
| Solution Tank | 2 gallons |
| Recovery Tank | 1 gallon |
| Noise Level | 64 dB(A) |
| Weight | 60 lbs |