Click to expand Tap to zoom Alpex-plus PPSU reducing coupling 26mm - 16mm by FRANKISCHE SKU 88326130 Reduced coupling adapter made of PPSU for drinking water and heating system installations Featuring a fixed stainless steel sleeve and an optical indicator for verifying correct positioning. The connection can be released during installation in the dimensions of 16 to 20 mm by means of special tools. Request a quote ( Click here v ) Name Email Quantity Message Request quote