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TABLE OF

CONTENTS

01

The in-wall WMDH 25 dehumidifier includes: WMDH 25 dehumidifier, 1 in-
wall front cover, 1 WMDH 25 washable air filter,  1 drain hose and clamp, 1 
power cord, 1 front cover tool, 1 set of tamper resistant screws and 1 
Operations Manual.

WMDH 25 operates at sound levels lower than 46 dBA, effectively removing 
excessive moisture without sacrificing comfort or ambiance. This in-wall 
mounted dehumidifier is suited for both new construction and retrofit 
installations in multifamily, commercial, educational and industrial 
applications. 

WMDH by PureAiro is a self-contained, energy efficient dehumidifier that 
can be installed permanently to interior walls, including masonry or CMU 
block. Designed to fit between 400 mm wall studs, a single unit controls 
relative humidity for spaces to 140 square meter and drains directly into a 
hub drain or plumbing line — eliminating the need for reservoir tanks. The 
WMDH 25 dehumidification system can be connected to a standard 220V 
outlet or can be hard-wired.

PRODUCT INTRODUCE

Safety Notes

Electrical Supply

Principle of Operation

Installation

Operating Instructions

Diagram

Maintenance

Troubleshooting

Warranty

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PureAiro 

WMDH 25

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