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Tony thanks for the info. The heating system is working fine, im not losing any pressure and its only increasing 0.5 bar when the heating is on. Result. I have a container under the discharge pipe and not a drop has escaped. I was hoping this may fix the 'singing' noise i get when the hot water...

I have fitted the EV and have added pics. Does it look as if its installed ok, how will i get all the air out so it fills with water, will i need to fill it with air to expel all the air from the water side?

thanks for the info steve. Will i get away with fitting it vertically in the cupboard below as i thought this was ok, a few folk suggested this in my previous thread, also seen a diy installation video where the guy fits it below the boiler and it works fine.

i wish i could recharge it and safe money, there is water coming out the valve, also air got into my radiator after pumping air into the EV, i thought after that happening it must be faulty. I went to screw fix and bought the supplies today, ill try and tackle the job later today. The fill loop...

From what i read its a boiler off job and i can afford to pay for a replacement by a tradesman, im unemployed. The schrader valve was leaking so i fitted a 90 degree ext and this has sealed it.

This was fitted like this since the house was new 8 year ago. It looks like its designed for a boiler. 6 simple screws and it slides forward 6 inches, i need to disconnect the wiring from the socket if i want to remove it totally, so its not too bad. I can imagine these being a nightmare sometimes.

steve water comes out the schreader valve if you let all the air out the EV, when i was trying to recharge the EV, letting pressure out the system via bleed valve on radiator, pumping air to 1 bar in EV, let air out bleed valve again, doing this until the pressure in the EV was no longer...

Is this one from screwfix good enough? http://www.screwfix.com/p/expansion-vessel-8ltr/71018 They have it in stock 12 miles away, most places have long delivery times due to the holiday weekend. thanks

Thanks Tony Does it matter if i fit it onto the return or flow for the CH? Should i keep all pipework to 22mm? Is it just as simple as one pipe from the external EV to the CH pipes?

following the faq on here, water was coming out the valve, also when i was pumping air in, air came out the bleed valve when i was releasing the pressure, the EV seems to be shot.

I have found on other forums, if a thread has a lot of replies, people think the problem has been resolved and dont tend to bother. I could be wrong here but that's my train of thought. Thinking is a dangerous hobby :) What size of EV will i need? Will i need any other items apart from the EV...

Hi guys, as per my previous post http://www.diynot.com/diy/threads/baxi-combi-instant-105e-pressure-dropping-3-times-a-day.454953/, my EV is shot, attempts to recharge it did not work. So im considering your advice of fitting an external EV, i think im skilled enough to do some diy...

The pin is open as the pin etc is removed from the valve, i have fitted the brass 90 degree extension shown on my previous post, it makes access easier and fixes my valve problem. Time to follow the faq and recharge the EV.

anyone :)

I attempted to remove the old core, it did not go so well, there appears to be part of the body still in the valve so i cant fit a new core, can i attach this extension and leave it attached or would this not work without a core in the valve? i just ordered the 90 degree extension, hopefully...

any ideas chaps?

i wish i had known this before buying the tool and cores, oh well, the extension would make life easier indeed, ill persevere, i need to keep spending to a minimum, cheers

thanks, i order a few off ebay, hopefully this will stop the leaking valve.

My boiler has started screeching, i have been testing it on full blast due to a problem with the expansion vessel, i have recharged the EV and seeing how the boiler performs on full. Usually my CH and HW are set at medium setting so i never knew the noise was there. Now when i run the hot...

Thanks for the good information, gives me some insight on how the EV works. Ok i wont think its cured but if this is something i can do occasionally i wont mind, if this means saving money on fitting an external EV. Im skint and without a job you see. I let the boiler cool down last night and...