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Post by wingnut on Aug 15, 2019 19:42:11 GMT
Hello All
This morning when running the Hot Tap i noticed water was stone cold, i checked boiler (Baxi 105HE) and it was flashing 60 and water pressure on gauge was at zero, topped up to 1 Bar all ok, came in after work pressure had dropped slightly, checked all Rad connections all good, have topped back up to 1 Bar will check again in the morn.
Has anyone any ideas what could be causing it? maybe Expansion Vessel?
As always
TIA
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Post by tomplum on Aug 15, 2019 20:18:08 GMT
its a good chance it is the pressure vessell, to check, look outside where the blow off pipe goes through the wall, if the wall is wet, its a sign the water is blowing off and that points to the expansion vessel or poor circulation,
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Post by wingnut on Aug 17, 2019 11:33:05 GMT
its a good chance it is the pressure vessell, to check, look outside where the blow off pipe goes through the wall, if the wall is wet, its a sign the water is blowing off and that points to the expansion vessel or poor circulation, so ive checked it this morn and its leaking from the condensate tank, black pipe side is full and spilling over into empty chamber that goes top drain |
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Post by tomplum on Aug 17, 2019 12:00:28 GMT
bad news mate, the heat exchanger is bust,  |
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Post by wingnut on Aug 17, 2019 12:47:26 GMT
bad news mate, the heat exchanger is bust, ive just ordered the internals for it, is it much of a job to replace? any tips/tricks? |
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Post by tomplum on Aug 17, 2019 13:14:40 GMT
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Post by joinerjohn on Aug 17, 2019 13:17:22 GMT
You sure it's not just the PRV passing water though?
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Post by wingnut on Aug 17, 2019 13:21:22 GMT
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Post by wingnut on Aug 17, 2019 13:22:50 GMT
You sure it's not just the PRV passing water though? defo mate the water is running through the condensate tank filling it and overspill into the empty chamber and out through the white plastic pipe, the prv copper drain is bone dry |
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Post by tomplum on Aug 17, 2019 13:25:11 GMT
ah, sorry wingnut, I'm assuming the main heat ex is fucked, if thats where the water is leaking, thats what you want, sorry for clouding the water,  |
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Post by tomplum on Aug 17, 2019 13:26:46 GMT
joinerjohn, nice man that he is, is a wood butcher,  |
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Post by wingnut on Aug 17, 2019 13:29:11 GMT
ah, sorry wingnut, I'm assuming the main heat ex is fucked, if thats where the water is leaking, thats what you want, sorry for clouding the water,  No probs mate, had me panicing there, im guessing its just split the large fan pipe to the hex and pull the two smaller copper ones? any tips to get the copper ones out? |
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Post by tomplum on Aug 17, 2019 14:09:03 GMT
no mate, its just a matter of wiggling ,sweating and swearing, |
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Post by wingnut on Aug 17, 2019 14:17:35 GMT
no mate, its just a matter of wiggling ,sweating and swearing,  Thats what i do best |
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Post by wingnut on Aug 24, 2019 19:54:23 GMT
Well changed my secondary heat exchanger which went relatively well only to find my fan unit was bolloxed so that was as smart as a chapped arse, new fan unit fitted today, boiler back up and running 👍👍👍👍
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Thats what i do best