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have fitted a a worcester 28i junior for a customer over the last 3 days removing conventional system, and coverting to a combi in the the utility room, used existing flow and returns for central heating and conected hot and cold into the pipes under work surface for utility sink, ran a new external 22mm gas supply, and problem with the flow rate of hw!
central heating working fine,
hot water only flowing at around 8litres a minute before a massive temp drop in the water so mixer shower in bathroom not working!
1st problem i found was main shower in bathroom was passing cold water into the hot pipe when hw demand on taps leading to only luke warm water, show isolated and all taps getting hw but only at around 8 litres a minute!
shower in en suite only getting luke warm at best due to low flow rate, did a gas rate and boiler was using 2.9m3hr which is withing tolerence of the 3.0 it states in manufactures instructions,
any advivce would be helpful,
boiler does sound like it is modulating and going on to full burn when tap is running! so i dont thing there is a problem with the flow turbine!
thanks people
central heating working fine,
hot water only flowing at around 8litres a minute before a massive temp drop in the water so mixer shower in bathroom not working!
1st problem i found was main shower in bathroom was passing cold water into the hot pipe when hw demand on taps leading to only luke warm water, show isolated and all taps getting hw but only at around 8 litres a minute!
shower in en suite only getting luke warm at best due to low flow rate, did a gas rate and boiler was using 2.9m3hr which is withing tolerence of the 3.0 it states in manufactures instructions,
any advivce would be helpful,
boiler does sound like it is modulating and going on to full burn when tap is running! so i dont thing there is a problem with the flow turbine!
thanks people