no hot water


Postby zevin » Fri Mar 04, 2011 8:14 pm

i changed a tap washer in a down stairs cloakroom sink and after turning the hot water back on no water came from this tap. All the hot taps in the rest of the house are fine.The system is gravity fed.
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Postby Perry525 » Mon Mar 07, 2011 8:02 pm

What happens when you unscrew the top of the tap?
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Postby zevin » Tue Mar 08, 2011 1:46 pm

Thankyou for your reply, but since posting this question i have found that the cause is an airlock in the pipework.
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Postby adamwilliams » Mon Sep 12, 2011 12:01 pm

recheck your entire pipe system from where the water is coming to tap,,
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Postby happy_go87 » Wed Jul 31, 2013 4:03 pm

Sounds like you have an old system which was installed a while back when air locks were not considered. Its a bit crude but i have cleared the same problem by linking the cold (assuming it mains) to the hot spout with a hose and blastsing/back filling for just a few seconds with mains water. This will often clear the air lock and makes light work of fixing the problem. You can do this on the heating system as well but its a bit more tricky and i wpouldnt recommend it
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Postby happy_go87 » Wed Jul 31, 2013 4:07 pm

Hi - Sounds like you have an old system. If it happens again you could link the cold tap spout (assuming its mains) to the hot tap spout with a short hose and blast mains back up the hot which should clear the air lock. Hope that does the trick, only a few seconds blast no more!
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