John Guest Brass Pipe Fitting, Straight Push Fit Coupler, Male 3/4in to Female 22mm - 22MC(3/4)BRASS

25. Brass Male Couplers. Male brass thread to plastic push-in connector:. Features. Suitable for central heating systems Push-fit and demountable connections Corrosion free No scale build up BSI and WRAS approved. Applications. Mains fed and indirect cold water systems Vented and unvented hot water systems Vented and sealed central heating systems