Thermostatic Shower Bar Valve

Yes, but you will need to fit a shower booster pump, see link below as an example for information purposes only: copy & paste in to your browser http://www.bristan.com/epages/Bristan.sf/en_GB/?ObjectPath=/Shops/Bristan/Products/%22ST%20PUMP15TN%22 Recommend you invite a competent plumber to carry out the installation as this element of work is beyond most DIY enthusiasts. NB: These type of pumps can be a little noisy when in operation especially when located on a wooden floor, but measures can be taken to reduce the noise.

Hi, It will work but it may need to be pumped as the pressure you would receive will only be from gravity and if it is a combined cylinder the pressure from the hot side would not be fantastic, so if the cylinder is not high enough or the water tank feeding the cylinder is small the pressure will be low. You could always install the shower and see how you go and at a later date install a pump if needed. You can also buy showers specifically designed for low pressure tanks. Hope this helps

You will get roughly 0.1 bar of pressure for every meter (3 ft) distance between the bottom of the cold water feed tank and your shower head. As your cylinder is in the loft that probably means a distance of maybe around less than 3 meters which would give you 0.3bar or less (not great). The flow rate will be determined by the size of pipe and the shower valve. Connections to valves are half inch and flow rate will be slowed by the waterways in the valve and by the hose to the handset. What this all means is that you more than likely will not get a very powerful shower (adequate at best). Fitting a pump is a solution. However, you would also need to increase your cold water storage capacity in the loft (as you have a combination cylinder) otherwise the shower pump may be starved of hot and cold water.

Hi there, In response to your question then the answer is yes you will need a pump on the hot supply to give you adequate pressure, you may also need a pressure reducing valve on the cold supply to balance the shower out so that the cold doesn't override the hot water giving you a nice balanced temperature . This would only be required if your cold supply was mains pressure . If not then you would be best putting the cold and hot into the pump for your shower. Hope this helps