Recent content by jayjac

  1. J

    GRANT COMBI 90 MK11 which has a very low hot water flow rate.

    Hi all, It looks like it was the mixing valve furred up around the filters so all cleaned out and much better water flow now, it's still not great in the bathroom but I think that is just the nature of the beast. A huge thank you to Oilhead and Muggles for all your help and taking the time to...
  2. J

    GRANT COMBI 90 MK11 which has a very low hot water flow rate.

    Hi thanks for that, I can't see or detect any visual movement around the diaphragm or switch however the system change's from heating to hot water only with no apparent problem's so I am guessing that's ok. I will take a look at the mixing valve next to see if that's clear and then check the...
  3. J

    GRANT COMBI 90 MK11 which has a very low hot water flow rate.

    hi can anybody help? I have a GRANT COMBI 90 MK11 which has a very low hot water flow rate. static hot water pressure at the taps is approx 2 / 2.5bar but flow rate is very poor. Water pressure at meter on cold is 2 bar with flow rate 30 lt per min and good cold pressure and flow in the house...
  4. J

    low hot water flow rate

    Thanks but can you tell me whats wrong with the boiler
  5. J

    low hot water flow rate

    hi can anybody help? I have a GRANT COMBI 90 MK11 which has a very low hot water flow rate. static hot water pressure at the taps is approx 2 / 2.5bar but flow rate is very poor. Water pressure at meter on cold is 2 bar with flow rate 30 lt per min and good cold pressure and flow in the house...
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