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  1. 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...
  2. 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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