What is the flow rate difference between thermostatic and manual shower?
Question:Hello,
I have a gravity fed (both cold and hot) thermostatic shower which is very slow. I do not want to install a pump. If I change the shower with manual shower (i.e. both hot and cold water depends on manual tap adjustments), Do I get a better flow?
Thanks.
Answers:
thermostatic shower controls only control the temp nothing else you will need to install a pump to increase the pressuer all mixer showers need a pump unless you have a pumped water system in your house the only way around it with out installing a pump is to install a electric shower both are fairly easy to install if you are confident with electrics if not leave alone
no ..thermostatic valves will not affect flow rate
The only way to improve the flow through either a manual or thermostatic shower is to fit a shower suitable for low pressure. That is the hot and cold feed pipes are in 22mm at least, not 15mm or smaller. I think Mira do a shower with larger pipework. You could also try a larger bore flexi hose from the mixer to the shower head. The cheaper hoses have quite a small bore. Check out the difference at your local plumbers or B and Q. The shower head could make a difference as well. Try a slightly larger head with variable flow patterns.
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