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don't forget you will need to deprurize the boiler before you can repesurize the vessel and leave the prv in an open position then it needs charging to around 0.7 to 1 bar

hi nice job you have done but i thought that building control should be involved if you alter the type of flue and its use then you have to fit an information plate giving flue flow results i have found some information regarding the requirements...

Hi what you have to realise is its only a 24kw output boiler and the heat of the hotwater is subject to a lot of things in the winter the water can be 10 deg lower or more going into the boiler and the way to check it out would be measure the cold water temp going into the boiler and...

hi jamie well thats a different story now, and as you say 10 mins of using the hot water and i that works ok, i would have thought it was down to a heating sensor or it may be a pcb as Tony says but i would go for the sensor personally and if it is dirt in the system and its not...

hi thank you very much you have been a great help its all down to every man to his job, and i give advice on the gas and heating section as long as it within the law to do so thankls again mick

hi many thanks for the promt reply i do have an email account with hotmail and also with yahoo so can i get my emails from google with hotmail if i do move from sky ??? i will try to set up another using outlook express, and as you say about using your name as an email...

hi everyone i have a bit of a problem i am with sky for my tely and my broadband but they are talking of a 50% increase in the monthy charge which i think is a lot all my emails are through google and i have to accsess them with passwords etc so none are actually saved to my...

Hi firstly DO NOT TURN ON THE FIRE call an R G I and he will do the tests to see if the flue is complete in its length and of the correct material and termination to the outside it could be on an R type adaptor on the ridge or just coming out of the roof. whoever fitted the fire...

hi if the taps are of the same make then there is no reason to replace the whole tap i hope the cold feed is comming from tha header tank and not from the mains, as i have seen loads of children get almost scalded because they were fitted wrong, no plumber would ever fit...

hi just read your post regarding your 120 ravenheat low nox boiler, i have ask the tech dept about it during asking about another problem on a job i was doing and he says that your problem is down to circulation problem from cold so the boiler is reaching 80deg in that short...

my advice is get an R G I to check it out it sounds like the aps fault or the pipes or even the ventura but it is NOT a diy job take up the offer with the other poster and get it sorted legally

hi some technical informaton aquired a while ago on a course i attended at Ravenheat " if the C/HEAT NTC is faulty then only the pump will run, but if the DHW NTC is faulty it will NOT cause the boiler to fail *** quote If the DHW NTC fails then HW is still provided but NO...

hi it sounds like the C H temp sensor is faulty it can be checked out it should be 20k ohms cold or room temp to 5 kohms at 82 degs max temp heating thermister is a primary thermister

there is only one other place where the water can get out and that is through the P R V valve to the outside put a plastic bag over the end of the pipe to see if any water collects in it I would also get yopu RGI to check to see if the expansion vessel has got air in it and is pressurized...

these boilers were made for plumb center by hepworth heating so you could try ringing heatcall they do a fixed price repair callout to remove the heat exch you need to open the combustion chamber and that is illegal for you to do Also the plate heat exchanger to come out...

open the 3 bar prv valve to release the boiler pressure then leave it open while you put air in the vessle otherwise you will pehaps notice the main gauge moving up after you pressurerize it close off the prv valve and open the flow and return valves and repressurize to 1 bar on...

you can only repressurize the expansion vessel by turning off the heating flow and return valves depressurize the boiler then pump up the vessel to around 0.7 bar, then undo the valves and then refill as normal then if the diaphram is ok it will hold the pressure overnight and when...

have you tried pressing the resetable overheat stat located next to the thermostat on the front panel its a red star shaped button just press it hard until it clicks And i have just looked at the M Is for the 60rs and there is a pcb it containsa the pump overun etc

hi drpaul if you want a manual for the 820/20 boiler i have them on a cd and i do not think Ravenheat site lists it anymore , if you look at my profile my email address is available i will try to send you a PDF file as an attatchment mind you its about 12.5 mb so let me have...

hi drpaul if you look on my profile and send me your email address i will see if i can send you a pdf file of the ravenheat 820/20 manual its about 12.5 mb in size send to [email protected] MICK