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PDWSL – Slim ESP Ducted

The Polar Air Low Static Ducted slim fan coil units have been designed to meet the specific demands of performance, size, acoustics, low energy usage, ease of installation, and maintenance for low height concealed applications in buildings with limited ceiling spaces.

This product represents one of the most cost-effective solutions to provide a comfortable environment for both commercial and residential applications.

PDWSL – Slim ESP Ducted Product Range

The Polar Air Low Static Ducted slim fan coil has a range of EC motor 115V-220V/60Hz OR 230V/50Hz units with the following capacities:

Low static ESP Slim Ducted [PDWSL]
Low Static ESP ducted Slim PDWSL range
Product range legend

Main Features



200mm low height design perfect for reduced space concealed installations, Made from heavy-gauge galvanized steel panels with couplings for the connection of ducting and gravity drain pan with insulation for condensation.

Water coils

Water Coils

Built with seamless copper tubes and headers, mechanically expanded into corrugated aluminium fin material for a permanent primary to secondary surface bond. Tested at 35 bar, with maximum operating limits at 20 bar.


Fan Blowers

Heavy-gauge galvanized steel with die-formed inlet cones housings, inlet forward curved centrifugal type, statically and dynamically balanced for smooth and quiet operation.



EC motors with included driven controls PCB, constant torque, permanent magnet, with 3 speeds pre-set to allow precise air balancing.



Easily removable and washable filters made from self-extinguishing acrylic with EU2 (G2) (Merv 2-4) efficiency class. G4 (Merv 8) efficiency filters are optional.

Drain pans

Condensate Pans

Steel drain pans positively sloped, with powder finish, coated with self-extinguishing closed cell expanded polyethylene with thermal properties. The drain pan outlet is 1” (standard on the same side of coil connections).



Selectable left or right-hand water connections.



Optimized forward-curved metal centrifugal fans to achieve minimum noise levels and integrated condensate pump with a maximum head of 700mm. Water circuit tested designs to guarantee dependable performance and low water pressure drops.

Related Project References


Specified under Eurovent Standards (50 & 60Hz)

Metric System
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Specified under AHRI Standards (60Hz)

Imperial System
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We have a complete range of accessories, please contact us directly for any specific inquiry you might have or download our complete product catalogue.

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For any product related information please refer to our latest catalog or contact us directly, we will be happy to assist.

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