Brass Imperial 21.5mm Alkathene to 20mm Metric MDPE Coupler
A brass compression adapter that will convert old 21.5mm imperial black alkathene to 20mm blue MDPE pipe
Imperial alkathene connection will suit low and high density Class C BS1972/67 & Class D BS3284/67 pipe - 1/2" will be stamped along the pipe along with its Class and BS number
Liners must be used on both pipes - For black alkathene you will need to know either the class or the internal bore diameter to identify the correct liner
Comes with copper olives
Please note that all prices include 20% VAT