Array
(
    [0] => Array
        (
            [rcatid] => 5548
            [rcatlink] => 
            [related_category_name] => Hot Water Radiator
        )

    [1] => Array
        (
            [rcatid] => 83338
            [rcatlink] => 
            [related_category_name] => Underfloor Heating System
        )

    [2] => Array
        (
            [rcatid] => 83339
            [rcatlink] => 
            [related_category_name] => Radiant Heaters
        )

    [3] => Array
        (
            [rcatid] => 83340
            [rcatlink] => 
            [related_category_name] => Radiant Tubing
        )

    [4] => Array
        (
            [rcatid] => 83341
            [rcatlink] => 
            [related_category_name] => Radiant Heating Coils
        )

)