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Post by shaun on Dec 24, 2017 17:37:37 GMT
I am looking for some help and advice, I have a wood burning stove installed and has always had very poor hot water flow so was looking at fitting a shower pump in line to sort it (photo attached) of the hot water cylinder in airing cupboard, am i was going to put a salamander s flange in the top and off to the pump but my cylinder has not got a vent pipe so was going to fit one, any help and advice at all would be appreciated. Thanks Shaun.  |
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Post by tomplum on Dec 24, 2017 17:46:28 GMT
you're supposed to have a vent off the top of the cylinder going over the cold water tank in the attic, can you give us a pic of that pipe going up, the left hand one,
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Post by shaun on Dec 24, 2017 17:49:13 GMT
there is no vent going up to the loft tank.
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Post by tomplum on Dec 24, 2017 17:56:37 GMT
well it needs one for safety and to work proper, If you get that sorted it will improve your hot water flow as well, Anyway thanks for coming in, and its not an hard job to do,
turn the water off at the mains, open your hot taps till the water stops running then put a tee in that pipe on the top of the cylinder, used push fit if its easier and run 22mm pipe to over the hieght of the tank and then point it down inside to above the water level,
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Post by shaun on Dec 24, 2017 18:10:45 GMT
well it needs one for safety and to work proper, If you get that sorted it will improve your hot water flow as well, Anyway thanks for coming in, and its not an hard job to do, turn the water off at the mains, open your hot taps till the water stops running then put a tee in that pipe on the top of the cylinder, used push fit if its easier and run 22mm pipe to over the hieght of the tank and then point it down inside to above the water level, thanks for the reply Tom, here is another photo to show what the pipes are, the guy that fitted this did not put a vent in, thanks again for the reply. ![]() |
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Post by shaun on Dec 24, 2017 18:11:45 GMT
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Post by tomplum on Dec 24, 2017 18:14:42 GMT
he was a cowboy, you need a vent because the water inside the cylinder expands when it gets hot, it needs somewhere to move to, also using it without a vent could cause the cylinder to implode, it will colapse, So it needs doing sooner rather than later,
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Post by shaun on Dec 24, 2017 18:22:05 GMT
your not wrong there as we had problem after problem when he installed the system, thanks for the advice I will get this sorted.
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Deleted
Deleted Member
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Post by Deleted on Dec 24, 2017 20:40:48 GMT
Tom's right mate get it sorted soon, at the moment any expansion is going up the pipe feeding the cylinder so don't valve that off at any point while the cylinder is heating.
You run a high risk of it imploding with out a vent.
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Post by jcplumb on Dec 24, 2017 20:52:29 GMT
It will expand back up the cold feed back to the loft tank won't it?
Air will collect at the top of that cylinder though and make any pump connected to it die pretty quickly, so deffo needs an expansion pipe teeing in even if it's just there to protect the pump.
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Post by tomplum on Dec 24, 2017 20:55:15 GMT
I would't pump it untill its vented, and once its vented the hot might be good enough to save the cost of pumping,
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Post by endfeed on Dec 24, 2017 21:02:48 GMT
Did the guy who fitted it have glasses,goatee beard, American accent, really good with motors,by any chance???😀
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Post by joinerjohn on Dec 24, 2017 22:21:55 GMT
he was a cowboy, you need a vent because the water inside the cylinder expands when it gets hot, it needs somewhere to move to, also using it without a vent could cause the cylinder to implode, it will colapse, So it needs doing sooner rather than later, Probably one of Pro Steve's Friday afternoon jobs.  |
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