22 mm x 3/4" Push-fit x BSP male thread tank connector - The Cuprofit brass push-fit fitting system from IBP Conex has been designed for use with hard, half-hard and soft copper tube, plus polyethylene (PE-X) and polybutylene (PB) pipe. Manufactured from a copper or DZR brass body and incorporates an EPDM ‘O’ ring plus gripping and release mechanisms. The design offers a leak-proof, tamper resistant yet demountable connection, capable of operating at a working pressure of 16 bar. The fittings can be used on drinking water and other hot and cold water systems, including central heating. All products are WRAS, DVGW and KIWA approved. Manufactured to BS EN ISO 9001:2008 standard, each fitting is permanently marked >B< and the size.