Can I have a Pressurised hot water system?
However, if you require pressurised hot water because you plan on installing a power shower, you can install a pressurised hot water cylinder but would require a pressure reducing valve (PRV) to relieve pressure when water is circulating through the pipes.
Do you need a certificate for an unvented cylinder?
Yes the installer should to be certified to install an unvented cylinder. These cylinders if not installed correctly are bad news.
Does a hot water cylinder need building regulations?
When installing or replacing a hot water cylinder within a vented hot water storage system (i.e. a system fed from an open-ended pipe for venting). If you employ an installer registered with the Institute of Plumbing for a vented system, you will not need to involve a Building Control Service.
What qualifications do you need to work on unvented?
Trainees must hold a recognised trade qualification (e.g. NVQ/SNVQ Level 2 or 3 in Plumbing and Heating or Domestic Heating) OR be working towards one OR have evidence of a number of years’ experience in the plumbing or heating industry.
What are the regulations for Unvented hot water cylinders?
Unvented cylinders are a controlled service as defined in the latest edition of the building regulations and should only be fitted by a competent person. The relevant regulations are: England and Wales – Building Regulation G3; Scotland – Technical Standard P3; North Ireland – Building Regulation P5.
What’s the warranty on a hot water cylinder?
It validates your manufacturer’s warranty and guarantees the cylinder operates efficiently in compliance with industry guidance and Building Regulations (Part G: Sanitation, hot water safety and water efficiency).
Is it safe to discharge hot water from storage cylinders?
Good plumbing design and installation is essential to ensure public safety, particularly when it relates to hot water. The British Plastics Federation (BPF) Pipes Group has published new guidance on discharge from unvented hot-water storage cylinders into plastic sanitary pipework systems (soil stacks).
Do you need building control to certify a hot water system?
If the installer is registered with a competent person scheme for this work, building control do not need to be notified in advance. Instead installers will self-certify their work and give the owner a certificate issued by the competent persons scheme operator.
