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Ready-to-install cross-flow fan-assisted floor duct convectors with Sendzimir galvanized steel floor duct, painted graphite grey, with raised floor height adjustment feet with sound insulation. High output convector made of copper pipe and aluminium fins, fitted with Eurokonus valve connections with anti-twist protection, painted graphite grey with a maximum continuous operating pressure of 10 bar and 120°C, with cross bars to strengthen duct. With cover plate over the connection area. Cross-flow fan with a compact EC motor, robust motor construction, fan speed control via external 0–10 V signal, motor monitoring with internal fault processing, factory-wired, ready for connection. With double-T profile roll-up or linear grille and frame profile to match grille finish. With transparent protective dust cover that also protects the edge of the frame supplied as standard. Heat output tested in accordance with BS EN 16430-1 and BS EN 16430-2.

General information
Specification data - Trench convectors
Product Reference

Katherm QK

Size -

1000–3200 mm; insert requirements.


182 mm

207 mm

232 mm

Grille finish

Black anodized aluminium

Natural anodized aluminium

Stainless steel



KaControl room automation

Standard product features


112 mm.


Unit with BMS-interface including factory-fitted transformer.

  • Power supply: 230 V/ 50 Hz.
  • Fan speed control, 20–100% via 0–10 V DC BMS contact.

Product Options


A wide range of shapes/ sizes are possible, to cope with challenging sites. Consult manufacturer's literature for further details.


Consult manufacturer's literature for further details regarding heating outputs, sound pressure and power levels.

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