Duoline Description Available in single, double or unique hollow format, its unique tubular design ensures low water content and exceptional heating performance. Fabricated from horizontal headers with vertical connecting tubes, it differs from the Monoline in that it uses 35mm hollow tubes with an internal and external wall thickness of 1.5mm. Material Steel 1.5mm Wall Thickness Colour(s) White Prices from £256 to £555 (RRP excluding VAT and delivery)

Outputs: 90/70/20 Δt 60ºC EN442