Browse Forums General Discussion Plumbers 'can be' plumbers, made all the worse by self certification which the building surveyor invariably accepts as proof of compliance! The good thing is that you know know. 3 5747 The coupling, which is made from flexible PVC, needs to comply with AS/NZS 4327 which specifies the requirements for metal banded flexible couplings used in low-pressure… 1 2448 |