Category Archives: News

PP-R Swap Brings Plant Room Savings

We saved the contractor an impressive 71% materials cost when he went for the PP-R swap we recommended for this plant room job.

PP-R Plant Room InstallationThe original specification was to use MDPE Pressure Pipe electrofusion, but we were able to advise on the suitability, and cost saving, of switching to PP-R.

The requirement was:

  • A header in 63mm dia. to connect water to each flat
  • 90mm dia. from the storage tank to the pump. Connections including isolation/strainer valves
  • 32mm dia. from the storage tank to the sprinkler system including isolation valves

In MDPE, as specified, materials would have cost £6,767.35.  In Wefatherm PP-R, the cost was just £1974.50 – a saving of 71%.

Plumbing subcontractor MDO Pipe Fitting Solutions came in and completed the job in just 2 days.

Our main involvement on this new build site of 9 apartments (11 bathrooms) in Deptford, London, was through merchant Professional Plumbing Supplies Limited who supplied all bathroom materials and the Wefatherm PP-R.

But, as always, we were delighted to add value with our knowledge and advice, resulting in a spectacular cost saving for the contractor.

BIM – Wefatherm Revit Content Packages

Now available: Wefatherm Revit content packages for BIM (Building Information Modelling) to make it even easier for you to incorporate this most advanced PP-R pipe system in your designs.


Wefatherm Revit BIM leafletAs the only PP-R pipe system with full WRAS Product Approval and the assurance of German manufacture, this latest development cements Wefatherm’s position as the leading PP-R pipe system in the UK.


Wefatherm Revit content packages have smart files to ensure a user-friendly BIM experience. These files help you automatically pick the right products for all your direction changes, branches and other junctions.


Changes in diameter and reducers are placed automatically without having to search the library.


Not only that, but integrated push-fit insertion and butt-weld jointing losses create truly accurate pipe lengths.


The Wefatherm Revit content packages create true ‘as built’ designs.


Read more about Wefatherm_BIM.


Download the Wefatherm Revit Content Packages at:

New WRAS Product Approval for Wefatherm PP-R


Wefatherm – The Only PP-R System with Full WRAS Product Approval


August 2015 – Plastic Pipe Systems Limited is delighted to announce that the Wefatherm PP-R piping system has been granted full Product Approval by WRAS, the U.K.’s Water Regulations Advisory Scheme. Wefatherm is manufactured by the Aliaxis Group at its advanced Marley factory in Wunstorf, Germany.


Wefatherm PP-R Piping SystemWefatherm is the world’s first fusion welded PP-R pipe system to receive the accolade of full Product Approval after many exacting mechanical test procedures. WRAS specify ten rigorous test regimes including the pipes being thermally cycled 5,000 times at 10 bar between 20° C and 95° C, and the fittings tested at 64 bar at 20°C and 14 bar at 95° C.


WRAS Product ApprovalThe system already holds WRAS Material Approval, which ensures excellent hygiene for potable water with no taste or smell contamination. The new WRAS Product Approval goes further and confirms its mechanical performance. This means the Wefatherm PP-R system can be installed in every water provider’s area in England, Scotland, Wales & Northern Ireland being fully compliant with the United Kingdom’s Water Regulations.


Says PPS Limited Managing Director, Steve Smith, “No other PP-R system, Green, White or Grey, marketed and installed in the U.K. has WRAS Product Approval. Clients, specifiers, and regulatory authorities, are increasingly demanding WRAS approved products. Contractors shouldn’t risk non-compliance by installing un-approved products.”


The comprehensive Wefatherm system is available from stock at Professional Plumbing Supplies, New Malden, Surrey, KT3 3SX

– ENDS –

For more information, or to speak directly, please contact:
NAME: Steve Smith, Managing Director
T: +44 (0) 1293 459 766
M: +44 (0) 77748 22246
F: +44 (0) 1293 543 562

Notes to Editors:


About WRAS:
The purpose of WRAS is to contribute to the protection of public health by preventing contamination of public water supplies and encouraging the efficient use of water by promoting and facilitating compliance with the Water Supply (Water Fittings) Regulations and Scottish Water Byelaws.


About Plastic Pipe Systems Limited:
Plastic Pipe Systems Limited imports and distributes innovative products and systems for building services pipework and underfloor heating.
As an Aliaxis* Partner, Plastic Pipe Systems Limited is the first point of contact in the UK for Wefatherm PP-R fusion welded pipe system and Sanit flushing technology.


*About Aliaxis:
The Aliaxis Group is a leading global manufacturer and distributor of primarily plastic fluid handling systems used in residential and commercial construction, as well as in industrial and public infrastructure applications. Well-known brands include Marley, Hunter, Alutec, Multikwik, Friatherm, Vulcathene and Durapipe.


About PP-R Piping Systems:
PP-R piping systems deliver the following benefits and advantages over traditional plumbing methods:
• No hot works insurance or certification.
• Minimal site theft risk
• Corrosion Resistant
• Environmentally Friendly
• Light Weight (9 times lighter than iron; half the weight of steel)
• Very Low Friction Loss
• Good Chemical Resistance
• Hygienic, non-toxic Material
• Low Noise Transmission
• Low thermal Transfer: reduced insulation requirement
• High Impact Resistance and Strength
• Wide diameter range: 16mm to 315mm
• Fusion Jointed providing a fully welded homogenous system
• Ideally suited to offsite / prefabrication
• Fully recyclable
• Quick and Easy To install