Reply To: Wet mark – suspicious leaks

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Hi Bob,

The hot water is supplied by gas. If I did not use the bathroom and the toilet, I feel it dries. And also I feel the wet marks appear if I use cold water in bathroom. Do you think the leak come from copper pipes? or somewhere else, for example, from joint of toilet, joint of sewage pipe etc etc? Even if the small dripping leak comes from the copper pipes, can’t water meter detect this leak?

Thank you

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