Shower valve query

[kjacko]

Hi all,
So I need to install a shower valve but on the opposite side to to the shower head and diverter.
Was looking at the recessed ones but don’t think I’ve got enough cavity to house one.
I have a mixer bar in my en suite, but it’s on the same side as the heads as the flexi hose just comes out of the bar itself.
So is there such a thing as a low profile surface mounted valve where the outlet pipe(s) can go back into the wall so they can be diverted under the floor and back up the other side to the rainfall head and diverter?
Hope that makes sense. Any and all advice would be appreciated.

cheers

 

[foxhole]

How can it go back into wall ? You said you don’t have any cavity for internal pipe work?

 

[kjacko]

How can it go back into wall ? You said you don’t have any cavity for internal pipe work?

Sorry, I meant I do have a cavity, but not enough depth in the cavity for a hidden valve which usually need 75-95mm. Hence the need to have a surface mounted valve.
Pipe work will be fine to run down cavity wall under shower tray/floorboards then back up the other side of a newly built stud wall to the shower heads.
Well, that’s the idea anyway.

 

[foxhole]

Surely shorter route would be up thru ceiling then down a little to shower head .

 

[kjacko]

Surely shorter route would be up thru ceiling then down a little to shower head .

Sadly not in our situation. We can’t get to the attic space in this part of the house as it was added on to the original way back in the day. The house was built in 1901 with double brick outer walls (no cavity), so there’d also be a concern about the pipes freezing, especially as there’d be no access to effectively lag them. I’ve no issue going under the floor and up the other wall, hopefully using a single length of 15mm pex pipe, without any unnecessary joins. I guess i’m mainly wanting advice on an appropriate thermo shower valve.

 

[foxhole]

False ceiling over shower .

 

[kjacko]

False ceiling over shower .

Ok, but why? Seems like more work than simply going under and up. Luckily the pipes can run along under the floor parallel to the joists so no notching out or drilling holes required.

 

[lostinthelight]

You dont want a bar mixer/diverter then?

 

[kjacko]

You dont want a bar mixer/diverter then?

Well yes, but as most of those seem to have a flexihose connector which leads to the shower head, I’d effectively have to connect a pipe instead of the flexihose and route that back into the wall and under and up the opposite side to the shower head and diverter shower hose.
That make sense?

 

[lostinthelight]

They are available with a solid riser to a rainfall head as well as a flexible hand held rose . I have have one here at the mo which hasnt been fitted yet

 

[kjacko]

Yes, but you are aware that I want the controls on one wall and the rainfall head and handheld on the opposite wall of a 1000 x 800 shower?

 

[lostinthelight]

Yes, but you are aware that I want the controls on one wall and the rainfall head and handheld on the opposite wall of a 1000 x 800 shower?

Sorry I just re read and see that.is this in an existing tiled space at the mo?

 

[kjacko]

No, it’s yet to be built. However the wall that will house the control valve is lathe and plaster. I ‘may’ be able to install a fully concealed valve, but cavity space is tight, I need to do some really accurate measuring and with a 12mm tile backer board and then a 10mm shower panel in front of that it should be possible.
I’ll then build a stud wall at the other end of 1000mm shower tray.

 

[kjacko]

imagine this, but with the rainfall and handheld on the opposite wall.

my original post was in case I couldn’t fit the depth of a concealed valve within the cavity space I have available.

 

[lostinthelight]

Lets hope it all goes to plan then