When installing PVC pipes, they are often used together with PVC pipe fittings. However, some users may have water leakage... moreWhen installing PVC pipes, they are often used together with PVC pipe fittings. However, some users may have water leakage or pipe fittings damaged in the installation process. The first reaction is that it is caused by material problems, but the most frequent problem is due to problems when PVC pipe fittings are glued.