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- 8 Apr 2003
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My upstairs hot taps are causing me serious grief. I moved in about a month or so ago so don't know what changes were made to cause the problem and how long it has been going on.
The water runs normally for a second or two then it reduces to a trickle, this goes on for about 20-30 seconds, then it begins to splutter a bit, some bubbling can be heard elsewhere in the system (I've traced this to air pouring out of the vent above the cylinder). Then the water flies out at top whack for a couple of seconds, slows down, splutters etc, etc. This happens whether the water is hot or cold.
Now to the pie runs. the hot water tees off the vent pipe a couple of inches above the cylinder. It then runs horizontally for a few inches and goes back up again and into the loft. It weaves around in the loft and the shower tees off (this also has the problem) it then goes down into the bathroom and to the taps. My initial thoughts were that we had a huge air bubble in the pipe above where it teed off the vent, so I blasted it with mains a few times. this did not change a thing. I'm now wondering if the water is sucking air back down the vent pipe in a capillary action.
I'd be grateful for any ideas or suggestions and diagnostic thoughts or solutions
Thanks,
Fix-it-duck
The water runs normally for a second or two then it reduces to a trickle, this goes on for about 20-30 seconds, then it begins to splutter a bit, some bubbling can be heard elsewhere in the system (I've traced this to air pouring out of the vent above the cylinder). Then the water flies out at top whack for a couple of seconds, slows down, splutters etc, etc. This happens whether the water is hot or cold.
Now to the pie runs. the hot water tees off the vent pipe a couple of inches above the cylinder. It then runs horizontally for a few inches and goes back up again and into the loft. It weaves around in the loft and the shower tees off (this also has the problem) it then goes down into the bathroom and to the taps. My initial thoughts were that we had a huge air bubble in the pipe above where it teed off the vent, so I blasted it with mains a few times. this did not change a thing. I'm now wondering if the water is sucking air back down the vent pipe in a capillary action.
I'd be grateful for any ideas or suggestions and diagnostic thoughts or solutions
Thanks,
Fix-it-duck