When plastic pipes meet unvented cylinders

The BPF Pipes Group has published guidance for the discharge from unvented hot-water storage cylinders into plastic pipework systems (soil stacks). It can be downloads from the BPF web site.

The guidance draws attention to the importance of good plumbing design and installation to protect public safety. It builds on testing supported by the BPF Pipes Group to better under specific aspects relating to hot-water safety in the Building Regulations for England and Wales and the Building Standards for Scotland.

The guidance focuses on selecting the correct plastic pipes and the essentials for good plumbing design. It highlights practical aspects such as properly supporting pipework using self-sealing waterless valves when connecting to a soil stack to prevent foul sewer gases from entering the building and the importance of the soil stack remaining vented to the atmosphere.

Use the link below and then go to the support and downloads tab to find the guidance notes

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