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The DHB 420 is a compact cordless dual-brush floor cleaning machine designed for high-efficiency scrubbing and maintenance of hard floor surfaces in commercial environments. Built for professional use, it delivers consistent cleaning performance with the added flexibility of battery-powered operation, allowing unrestricted movement across cleaning areas.

Engineered for versatility and ease of operation, the DHB 420 is suitable for a wide range of hard flooring types including tile, vinyl, stone, and sealed surfaces. Its high brush speed and compact design make it ideal for tight spaces, while the battery system ensures quick charging and minimal downtime. Designed for daily maintenance cleaning, it combines portability, power, and durability in one efficient unit.

Key Features

Cordless dual-brush floor cleaning machine
48V battery-powered operation
High brush speed (750 RPM) for effective scrubbing
Powerful 500W brush motor
Fast 1-hour full recharge time
Lightweight 69 lb design for easy handling
Compact 14" cleaning width
Dual 1-gallon solution and recovery tanks
Suitable for multiple hard floor surfaces
High maneuverability in tight spaces
Low noise operation at 64 dB(A)
Ideal for quick maintenance cleaning tasks
Durable construction for professional use
Efficient cleaning performance in confined areas
Reduces manual cleaning effort

Specifications

Product Name: DHB 420
Brand: Duplex
SKU / Model: DHB 420
Type: Cordless Dual-Brush Floor Scrubber
Battery Power: 48 V
Brush Motor: 500 W
Brush Pressure: 57 lbs
Brush Speed: 750 RPM
Cleaning Width: 14"
Solution Tank: 1 US gal
Recovery Tank: 1 US gal
Charge Time Full: 1 hr
Run Time Full Charge: 50 mins
Working Capacity: 4,000 sq. ft./hr
Noise Level: 64 dB(A)
Weight: 69 lbs

Compatible Products

Duplex 14" Cleaning Brushes (Soft / Medium / Hard)
14" Pad Drivers
14" Floor Pads (Scrubbing, Polishing, Stripping)
Neutral Floor Cleaning Solutions
Hard Surface Degreasers
Battery Charger Unit (DHB Series 48V)
Recovery Tank Cleaning Tablets
Replacement Squeegee Blades
Duplex Maintenance Kits

Warranty

Overall Machine: 2 years on parts and labor
Polyethylene/Structural Foam: 10 years
Labor: $75.00/hr allowance

NaceCare

NaceCare Duplex Hydrowasher DHB 420

SKU K-8025052

Regular price: $4,395.00

Quantity

Estimated Shipping Time

You can expect your items to arrive within 4-7 business days, depending on your location and product availability.

Shipping Policy

What is your Return Policy?

30-Day Returns: Items can be returned within 30 days of delivery. Non-defective items must be unused, undamaged, and in original packaging with proof of purchase.

Return Shipping: Customers are responsible for return shipping and must use a trackable method.

Defective or Damaged Items: Contact us within 30 days with photos or videos. We’ll offer a replacement or full refund.

Incorrect Item Received: Notify us immediately so we can arrange a return and send the correct item.

Lost Package: If your order doesn’t arrive, we’ll investigate and provide a replacement or full refund if confirmed lost.

Change of Mind: Eligible returns are subject to a 25% restocking fee.

Return Process: Contact support to receive authorization, then ship the item within 7 days with all original contents.

Refund Timing: Refunds are issued after inspection and processed within 7 days (timing may vary by bank).

Exchanges: Available for defective, damaged, incorrect items, or size/color changes.

Return and Refund Policy

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