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the poster has 2, 2 port valves so the hot water calling or being satisfied won't affect the other valve'soperation. seems like a faulty motor in his HTG valve.

i have about 1 metre or so of head, so shouldn't need a pump. have seen a few friends' showers similar and they run fine without one.

it is hard to work out the exact fault without seeing it properley. you say you have 2 valves? and the heating only comes on when you push the valve on the heating circuit across? of this is the case then the motor isn't moving across properley and turning on the pump and boiler (the...

If you had a combi installed, you should have had a decent enough pressure/flow rate in the first place. The installer should have checked this before deciding a combi was suitable for your circumstances.

Hello I believe if you have a 3-port mid position motorised valve. If the Heating comes on when only the manual lever is pushed across (so it is open to both hot water and heating) then it seems as if the motor has failed inside of it. You can either change the motor, which has 2 screws...

Hello plumbers I have a couple of things I would like to ask if you. If you have the time to help me I would be very thankful to you all. Firstly, I am intending on installing a mixer shower over my bath. I am a keen diy plumber but would like so expert advice or tips before I begin...