UFH Manifold Feed in Screed?

[BenP]

Hi.

 

Currently working with our plumber to connect up the manifold. Gas combi is being moved next before we link up. 

 

Plumber wants to keep feed pipes below level of manifold, so in the screed. Floor is going to be 20mm limestone so future access is not likely. 

 

What's the best solution? Below screed is a mix of insulation on beam and block and then a new slab (likely to be foamglas aggregate type). 

 

Up in ceiling and back down definitely not possible? 

 

[ProDave]

1 minute ago, BenP said:

Plumber wants to keep feed pipes below level of manifold

Why?

[BenP]

9 minutes ago, ProDave said:

Why?

 

I'm no plumber - I don't know! 

 

No reason why we can't then?

 

Wunda system. Combi boiler. Likely future ASHP. 

[ProDave]

Ne technical reason, all mine are above the manifold in the walls or ceiling void.  I would be asking why he wants to keep them below the manifold.

[BenP]

On 09/12/2022 at 16:11, ProDave said:

Ne technical reason, all mine are above the manifold in the walls or ceiling void.  I would be asking why he wants to keep them below the manifold.

Cheers ProDave. Will quiz him tomorrow

 

Luckily we are only running a temp supply at the moment until the old floor slab gets sorted and new floor is put in in Spring/Summer. 

[Temp]

If they have to go in the floor (Ours don't) then make sure they are insulated somehow. While it's a combi boiler they will probably be some of the hottest pipes in the system.