Ceramic kitchen mixer running HW at much reduced pressure

[Bluecarman]

Hi chaps.

I have raced through as many of the similar threads and cant find a solution that works.

Only the kitchen tap has a much reduced flow. All other HW taps running clear and well. Have backfilled - turning hot and cold on together whilst keeping my thumb over the mixer - for 15 secs - immediate effect but dribbles to muddy water in 3 secs and then clear water but v v reduced flow.

New (9 months old) gas boiler and cylinder. Cylinder and boiler at ground level. Tanks (main and header?) in loft. The latter are working - filling and ball valves all OK.

There is a drain valve at the base of the cylinder but I'd like to be clear what else I can do to trace and find the fault and suggestions on how then to immediately cure it.

Good Friday and all. And people visiting. Bit of a mare.

Any help appreciated.

bcm

 

[Bluecarman]

the kitchen tap is dripping continuously and wont turn off - as a result of backflowing the cold via the hot - at a guess......?

Another solution please?

Thanks

bcm

 

[twgas]

Sounds like you might have some muck of some description in the hot supply to the kitchen, I'd have the tap apart to start with.

 

[Bluecarman]

having turned off the water, undone the tap and let it then run hard - what comes out - but a piece of plastic packaging from the refit done 9 months ago.

Still no idea why it ran sludgy, but all clear and full pressure now.

Wonderful.

Thanks for the help.

bcm