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    dual header tank overfilling and overflowing

    ok here goes the pipes as you can see go down under the floorboards so no idea where they go sorry the hot water tank works off a back boiler behind the fire if that helps. i took some pictures of the offending items,excuse the mess in the airing cupboard,it only gets used to store crap...
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    dual header tank overfilling and overflowing

    no,the hot water heating tank has 2 big pipes that come off it,one goes to the bottom of the main header tank about 2 inches from bottom,the other goes what looks like into the small header tank,this pipe has a T junction on it which then goes thru under the floorboards.there are also 2 what...
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    dual header tank overfilling and overflowing

    ok thanks i managed to get the stop tap that feeds water to the ballcocks working in the airing cupboard,so mains is on downstairs and the ballcocks are isolated,so if it continues to overflow then it has to be a hot/cold transfer leak somewhere im guessing. i guess i would have empty the...
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    dual header tank overfilling and overflowing

    no there are no isolation valves to the taps under the sink only the mains fed stop tap..should i fit some? we have an electric shower fitted that is mains fed upstairs,also a washing machine which is fed from both hot and cold downstairs. could it be the washing machine also doing the...
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    dual header tank overfilling and overflowing

    no just the kitchen mixer tap and its brand new. so,to check if the mixer tap is the problem im guessing i would have to have the mains tap under the sink turned on but isolate the mains water to the ballcoks in the header tanks? are you saying that the cold water is coming in thru the...
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    dual header tank overfilling and overflowing

    hi well..we turned the mains stop tap under the sink and it doesnt fully close the water off,if you turn the cold tap on downstairs it dribbles even with the stop tap under the sink turned off,however,with the stop tap in its best closed position the tank doesnt overflow,when the stop is open...
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    dual header tank overfilling and overflowing

    hi new to this forum and i have had a read on the various topics but still thought i would ask :? in the airing cupboard we have a header tank above the hot water heater tank(big copper tank). the header tank looks like its got an inner tank built in,both have separate mains water feeds...
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