I'm in the process of refurbishing my bathroom and plan to install a walk in shower instead of the original bath. I'm using a concealed thermostatic valve fed by mains for cold and combined for the hot. So far so good.
What I would prefer to do is place the valve at the shower entrance and then pipe the mixed water to the fixed head at the other end about 170 cm away. Without hacking away big sections of plaster/brickwork I would prefer to take the pipework down to floor level, under the shower tray and then back up to the head. Overall that's probably around 5 metres to achieve that.
So, question really is whether there would be any significant drop in the pressure of the mixed water. If there is then I need to rethink the plan and just install close to the shower head. If there is a significant drop is there some kind of mathematical equation. I can then measure the pressure and work out the drop and see if it's worth it. Would be too late once all the wall finishes are done. I appreciate there would be small drop in the mixed water temperature but that's less of a concern.
What I would prefer to do is place the valve at the shower entrance and then pipe the mixed water to the fixed head at the other end about 170 cm away. Without hacking away big sections of plaster/brickwork I would prefer to take the pipework down to floor level, under the shower tray and then back up to the head. Overall that's probably around 5 metres to achieve that.
So, question really is whether there would be any significant drop in the pressure of the mixed water. If there is then I need to rethink the plan and just install close to the shower head. If there is a significant drop is there some kind of mathematical equation. I can then measure the pressure and work out the drop and see if it's worth it. Would be too late once all the wall finishes are done. I appreciate there would be small drop in the mixed water temperature but that's less of a concern.
