When the only energy source available is electricity, a Direct pattern cylinder is the ideal product. The domestic water is “directly” heated by the immersion heaters which sit inside the cylinder, however, the heat-up and recovery times take longer than an Indirect cylinder. Manufactured and fully approved to the latest British Standard specification BSI566:2002 (Part L).
this tank comes with an extra 2x 1″ tappings for direct circulation to external heat source
