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Calu

A timeless classic imagined for 21st century. The Calu is a low water content aluminum radiator which has all the classic appeal of cast iron. Available in 3 heights and 3 lengths, 2 standard colour in White or Anthracite and a range of RAL classic colours.
  • Low water content
  • Aluminium - quick heat up time Great option for heat pumps Stocked in White and Anthracite for delivery within 10 working days
    Calculate My Heat Requirements

    Lead Time:Approximately 3 weeks

    What our Customers Say About Us...

    "Thank you so much for all your help and cooperation. Thank you to all staff. Rare understanding and great company to recommend."

    From Dina K, Northern Ireland

    Know what heat output you require? Enter it into the below field and we'll let you know if a radaitor is right for your room.

    Not sure what output you need to fill your room with heat? Complete the form below to calculate your required heat output.

    My house was built after 2002 or is well insulated (part L compliant)

    My room is north facing.

    My room has French doors / large window.

    My room has single glazed windows.

    My room is exposed & colder.

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    Using the dropdown below, please set your Delta T Value for use throughout the site...

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    • Lead time: Approximately 3 weeks.
    • Delivery: We offer delivery to most addresses on the UK mainland (excluding some remote areas) via a commercial pallet carrier service.
    • Fixings: Radiators are supplied with the necessary fixings i.e. feet, wall bracket, plugs, bushes and vents. Cast iron radiators are floor-standing (with feet) as standard – wall mounted versions (without feet) are available on request. 1/2″ connections are supplied as standard. (3/4″ connections are available on request.) Screws are not supplied.
    • Depth: Radiator depth at deepest part (excluding wall bracket) = 175mm Projection from the wall: minimum is depth of radiator plus skirting board depth.
    • Heat outputs: These are shown at operating temperatures of Delta T 50. To alter this, please use our handy Delta T Value Changer shown on every product.
    • Manufacturer’s guarantee: 10 year manufacturer’s guarantee against manufacturing defects.
    • Water pressure: maximum working pressure of 6 bar.
    • Water treatment: The manufacturer’s guarantee will only be valid if your radiators are installed in accordance with British Standards. This means that, on completion of installation, the system should be properly flushed and filled to remove debris and minimise the presence of solid particles and chemical residues, which may cause corrosion and damage within the system. Corrosion inhibitor should be used in accordance with British Standards and should take into account the particular metals within the system.
    • Terms and Conditions: All sales are subject to our standard Ts and Cs; a copy can be downloaded from our website.
    • Tested to meet EN442 certification
    • CE Marked
    • VAT: The prices shown are inclusive of VAT.