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def. plumbed right
Are they bar showers ??
Discuss problem showers from combi in the Plumbing Jobs | The Job-board area at PlumbersForums.net
def. plumbed right
1-grohe thermostatic concealed 1- crosswater kai 3 thermostatic valveAre they bar showers ??
noSounds like a bit of cross-flow from the cold supply to the hot water from combi.
Do you have any check valves on pipes to shower valves or non return valve on hot water out from combi?
cheers,
Andy
filters very cleanDo you know if the filters were cleaned ?
Doesn't sound like a boiler issue as the hot tap is fine
Reply to problem showers from combi in the Plumbing Jobs | The Job-board area at PlumbersForums.net
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