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Discuss Manifold to radiator feed using Hep2O and elbows in the Central Heating Forum area at PlumbersForums.net

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Hello All

Its my first jobbie using Hep2O. Im installing a vertical mounted radiator manifold, and the feeds to wall mounter radiators.

Im using Hep2O barrier pipe the HXX100/15W.

Q1 Is there an issue using elbows in a plastic 15mm barrier radiator feeds - i.e some bore constriction issue Im unaware of?
Ideally I would like to have an unbroken length between the radiators and the manifold, however getting the radius bends on 90 degree turns is a right pain. Using copper simples, 90 degree bend.

Q2 Ive seen posts say keep the feed from the maniford to the radiator shorter that 6 metres, where has that come from sounds like guessing.

Thanks in adavance.

Donks
 
Wall mounted manifold.PNG
 
15mm you will be fine only becomes a problem on 10mm when you go over 6m combined

If it’s too tight if a radius for down stairs eg coming out into the rad valves use an elbow in the wall least if it ever goes you know where they are and tbh easy to patch up
 
15mm you will be fine only becomes a problem on 10mm when you go over 6m combined

If it’s too tight if a radius for down stairs eg coming out into the rad valves use an elbow in the wall least if it ever goes you know where they are and tbh easy to patch up
Hi Shaun thanks for the info. What does combined mean 6 out 6 back? Or something else?
 
Yes but let’s say a combined of 6 so 3m f and 3m r
 
Yes on 10mm 15mm is fine for a long length
 

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