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May 18, 2020
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Hi all, I’m at my wits end and would really appreciate any advice!

The cold water in our kitchen mixer tap has recently lost all pressure i.e. just a dribble and if the hot has been on for any length of time it seizes up completely.

  • A plumber In the past has suggested that the kitchen cold is fed by the mains and the bathroom is fed by a water tank on the roof but...
  • Our (shared) roof has recently been replaced inc the tank housing, although I’ve never been up to look.
  • Possibly not relevant: the thermostatic shower in the bathroom had been too hot to use since we got the cartridge replaced months ago. Same plumber said the unbalanced pressure was the issue.
  • We have a combi boiler, controls for radiator temp but not hot water.
  • I have fiddled with the isolation valves, no change.

So, should I try replacing the tap? Hot water flow is fine for a while then gets very hot and slows down. It would be a bigger job as the tap can’t be removed from the basin in situ.

Thank you! If specific pics would help, please let me know...
 

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