Compression union connection set, connecting element from fitting to copper line to heating/cooling circuit
4 x G 1 1/4" to 28 x 1 mm & 2 x G 1" to 22 x 1 mm
Included in the Vitocal 150 & 151 Premium and Standard Installation Packs
Technical specification
Waist Sizeab44ch19gsERP RatingNot ApplicableSupplier Part Number7973132Brand NameViessmann