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in this property there is a baxi solo 30kw, 16 rads ,cylinder, one is piped like the old one pipe system, dont know why but hes not interested in changing it, the rest of the system is fine. one rad down stairs never got hot so ....ive chemically power flushed the system and still no joy with...

the out let from the copper cylinder should be the hot draw off , this comes out of the top of the cylinder , it should have a tee on it that goes downwards to your hot supplies and upwards to the cold water storage tank and over the top to be used as an expansion pipe , this tank will also feed...

Id get some on to give you a quote, it sounds like you are a beginner, you want to fit a pump on the hot water out let yet its a heat only boiler, I take it you mean primary flow to the three port, If you serious about it I would by the readers digest book of diy , its got everything u need to...

pump on the outlet ???

is the 3 port / 2ports driving over ? if not try doing it manualy and see what happens !!

try replacing the 3 port on the smart fit , it might be stuck , if not then good luck as it could be anything on the smart fit system ie anyone of the leads, cylinder stat, roomstat timer, or the main junction box for the smart fit, why dont you unplug each of the 3 port cylinder stat timer etc...

obviously the less fittings the better but you shouldnt need any outside in the ground except where youve connected up to and in your home less is more but it wont restrict it to much, alot depends on you mains pressure in the street !!

ummm if youve got rats in ya home i would be worrying about the rats first not the pipe !!! and if the can chew through poly pipe which is what im presuming your using then they must be as big as cats !!!! but the choice is yours , under floor is out of sight out of mind but if you do get a leak...

inside or outside your home ??

well said that man !!! :D

ive always been of the opinion the an olive should do its job !! but you can always help to eliminate leaks ....if your new to this lark then its just which ever you choose ... trial and error but personally id only use plumbers mait on a multiquick around the stack pipe , ive have used boss...

maybe a vaillant 428? you`ll find the sizes on the vaillant web site opps my bad just see the word combi

ive just been out to someones st6400s @7.30 tonight ..... honeywell call center shut @5.15 i did try a few plus and minus together etc but no luck would appreciate the code so could go out tonight and get heating on fully.... i did manage a 1 hour heating and hotwater boost << gas safe...

if its a stop cock on your property then there could be one also in the street for maintainance purposes. If there is then you might be able to shut the one off it the street and replace the one on your property, if there is not one in the street and the only one is on your property then i would...

it could be somewhere down the water line your water provider are doing works on it and pieces of grit are slowly blocking the main. As your doing and undoing the stop cock, it is freeing the muck. if the stop cock is on your property then they wont rush to replace the stop cock. but if its in...

its not the best site but you could have a try here and see what size output you need for your rooms. http://www.radcalcs.com/ designer radiators vs traditional radiators ....at the end of the day its up to you on how much you want to pay and how "pretty" you want them to look. i...

this is one of them jobs youve just gotta keep plugging away at. Presuming youve took the trap off and checked to see if there is any crap in it. i do a little thingy just to see if it is blocked..........whhoooohhaaa something just come to me.. have you seen if the over flow from the sink its...

you`d be surprised where people put filling loops, it is either behind your boxing, or in some cases where the boiler is in the kitchen ive seen them under kitchen sink units !!! ive also seen them put in old cylinder cupboards, where the system has been changed to a combi, with heating pipes...

1) i ripped a system boiler out and cylinder, tanks etc etc and installed a vaillaint 831 combi for £2000 ......with a power flush i would have added maybe £200. As for a Worcester 25si you might be able to shop around to get it a bit cheaper i did a google search and came up with £849.85 im...

as long as the pipe work dont run up it will be fine becasue the height and weight of water is pushing it down