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| This article describes a method of installing a bar-type thermostatic shower mixer valve into a stud wall.
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| The example shown uses flexible (polybutylene or PEX) plastic pipework but could be used with copper.
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| Other methods of installing this type of mixer valve are listed on the page
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| * [[Installing a Bar-type Shower Mixer Valve]]
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| Make fittings as shown with:
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| * 3/4" BSP male * 22mm solder fittings
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| * 22mm * 15mm solder reducing fittings
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| * 15mm solder * 1/2" BSP male fittings
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| * 1/2"BSP * 15mm compression wall plate elbows (If copper pipe were used solder-type elbows could be used.)
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| [[Image:Bar_shower_valve_stud_01.jpg]]
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| Cut a piece of 18mm WBP ply to fit between studs of the wall. Make cutouts at 150mm spacing in the ply and screw the wall plate elbows to the wood.
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| [[Image:Bar_shower_valve_stud_02.jpg]]
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| Fix the board to the studs and connect the pipework to the elbows.
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| [[Image:Bar_shower_valve_stud_03.jpg]] | |
| [[Image:Bar_shower_valve_stud_04.jpg]] | |
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| Pressure test the pipework.
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| [[Image:Bar_shower_valve_stud_05.jpg]] | |
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| The wall can now be boarded over with the threaded tails protruding through holes in the board to the right depth for fitting to the shower
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| valve after tiling. The gap between the tails and the board can be sealed with a suitable mastic, and/or sealant applied to the conical chromed bezels of the shower valve to prevent water running into the holes.
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| [[Image:Bar_shower_valve_stud_06.jpg]]
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| [[Image:Bar_shower_valve_stud_07.jpg]]
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| [[Category:Plumbing]]
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| [[Category:Bathrooms]]
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| [[Category: Domestic Hot Water]]
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