Click to expand Tap to zoom Viessmann Flexi connecting pipes (2 x 500mm) by VIESSMANN SKU 7635200 Viessmann Flexi connecting pipes (2 x 500mm) 2 x 500mm ASHP long flexi stainless braided pipes 1” FBSP connection at heat pump 28mm compression union for connection to copper pipe Insulated 19mm TC Accessories