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by andymort
Tue Jan 15, 2008 12:19 pm
Forum: Plumbing Forum
Topic: air in system ...
Replies: 8
Views: 5006

thanks guys ... i will put it straight back to normal would i be right in thinking the risk is associated with the fact that a mechanical valve could sieze up ? (causing the system to pressurise) anyway ... just so i don't do anything stupid again, would i be correct in saying that i should introduc...
by andymort
Thu Jan 10, 2008 6:56 am
Forum: Plumbing Forum
Topic: air in system ...
Replies: 8
Views: 5006

think i've done it but not in a conventional way ... firstly i dropped the vent into the expansion tank, below the water level. This solved the air problem, pump speed increased ... all the rads nice and hot. but ... water was drawn out of the tank, through the vent, and replenished up from the syst...
by andymort
Wed Dec 05, 2007 11:13 pm
Forum: Plumbing Forum
Topic: air in system ...
Replies: 8
Views: 5006

the system is configured as you describe ... would it be better if the vent pipe was on the discharge side of the pump ? or would this result in water being pumped through the vent line ... with it being a "circulating pump" i guess anywhere on the circuit is on the discharge/suction side ...
by andymort
Tue Dec 04, 2007 9:39 am
Forum: Plumbing Forum
Topic: air in system ...
Replies: 8
Views: 5006

air in system ...

hoping you may be able to help me with a problem on my vented heating system ... to cut a long story short i have relocated my hot water cylinder and pump in the attic (to liberate space on the landing ... airing cupboard) in order to do this I have lifted both the storage tank and the central heati...
by andymort
Fri Jul 20, 2007 11:42 am
Forum: Plumbing Forum
Topic: relocating hot water cylinder in the attic
Replies: 9
Views: 6567

mmm ... worried me a bit ...

think i'll change the fitting, a pain yes, but a couple of hours and peace of mind

dread the thought of having to go back once all the decor etc is done ...

(probably leave a trapdoor as well !!)
by andymort
Thu Jul 19, 2007 8:30 pm
Forum: Plumbing Forum
Topic: relocating hot water cylinder in the attic
Replies: 9
Views: 6567

after much struggling this job is now done ... works OK, notably more pressure at the gravity fed shower. bit of a nightmare with refilling the system and getting all the air out ... was only able move it by blowing back down the vent pipe. just one concern that some may be able to help with ... whi...
by andymort
Sat Jun 30, 2007 4:09 am
Forum: Plumbing Forum
Topic: relocating hot water cylinder in the attic
Replies: 9
Views: 6567

i did look into this (megaflow) but i don't think it would work ... the megaflow requires 20 l/min and a minimum of 1.5 bar pressure i guess these are minimum values but the guy from megaflow (technical advice) thought it was highly unlikely that my system would achieve them my mains inlet is reduce...
by andymort
Fri Jun 29, 2007 7:58 pm
Forum: Plumbing Forum
Topic: relocating hot water cylinder in the attic
Replies: 9
Views: 6567

actually ... whilst i think about it and before i spend my hard earned cash i am planning on buying a new cold water storage tank and was going to get the 50 gallon one from screwfix (coffin style) ... will this be enough for 5 adults ? also ... should i use this opportunity to invest in a new hot c...
by andymort
Fri Jun 29, 2007 7:44 pm
Forum: Plumbing Forum
Topic: relocating hot water cylinder in the attic
Replies: 9
Views: 6567

your reassurance much appreciated ...

thanks (the work begins) ... i'll let you know how i get on
by andymort
Thu Jun 28, 2007 5:41 pm
Forum: Plumbing Forum
Topic: relocating hot water cylinder in the attic
Replies: 9
Views: 6567

relocating hot water cylinder in the attic

i am considering moving my hot water cylinder from the airing cupboard on the landing to the attic. to maintain a pressure differential between the cold and hot i will raise the cold water storage by 1.5m my thinking is that ... it doesnt matter how big the difference is between cold storage and hot...
by andymort
Thu Jun 28, 2007 11:55 am
Forum: Plumbing Forum
Topic: moving hot water cylinder to loft ?
Replies: 0
Views: 3451

moving hot water cylinder to loft ?

i think i should be ok ... but its good to be reassured (or not) by the experts ... i want to relocate my hot water cylinder to the loft ... creating some space on the landing i am ok with all the physical plumbing etc but want to be confident i will still have flow/pressure etc with the hot water m...
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