boiler mate ll PLEASE HELP

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boiler mate ll PLEASE HELP

Post  carianne1979 on Sat Aug 23, 2014 1:40 pm

hi. we recently had two towel radiators replaced and the plumber had a hard time draining the system. he eventually managed it and then it was a struggle him refilling it but he seemed to get thete in the end. however since then we have a leaking overflow pipe and also water leaking on top of the cylinder where the feeder tank sits on. we also had an awful load humming noise coming from the tank when we tried to fire the heating up. we had british gas come out to say it was the thermostat on the potterton boiler and replaced that. it has stopped the noise and the overflow pipe seems to have stopped but there is still water at the top of the cylinder. also when i had a shower the flow and heat were very erratic. the water from the tap is also scalding. can anyone please help. just cant seem to find anyone that knows the system :'(

thanks in advance
carianne

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Re: boiler mate ll PLEASE HELP

Post  carianne1979 on Sat Aug 23, 2014 1:43 pm

i forgot to say the plumber seems to think there is leaking into the coil (i think he said) so didnt put inhibitor in. is this a possibility?

thanks
carianne

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Re: boiler mate ll PLEASE HELP

Post  carianne1979 on Sat Aug 23, 2014 1:43 pm

i forgot to say the plumber seems to think there is leaking into the coil (i think he said) so didnt put inhibitor in. is this a possibility?

thanks
carianne

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Re: boiler mate ll PLEASE HELP

Post  mike on Sat Aug 23, 2014 3:00 pm

The top tanks on most BM II's can be removed.
There are 4 connections.
Cold feed to ball vale
Overflow pipe
Vent from unit (big pipe
Cold feed into unit little pipe.
It may be leaking at the latter 2 connections.
Or the cold feed / ball valve connection.
It is possible the ball valve is filling the tank to high and there is a leak on the overflow connection.

Next the coil could have gone in the unit.
And this would make the water rise in the top tank.
Sometimes it will be worse when the unit is heating up and the boiler pump is running.
This can make the water in the top tank rise quicker. But not always!
The hot water can be adjusted via the blending / mixing valve.
If all your hot water taps are running ok.
And your shower is playing up, that points to the shower.

Have you the book on your unit?
If not down load one for free from Gledhill.

Also look on here ref BM II's and the posts.
Lots of info, takes time but will help you a lot.

Next thing is to look for someone in your area.
Which is unknown to us all.
I keep saying put your area and offers of help may be forthcoming.
Look on home page for list of advertisers.
Or Google up for Gledhill repairer in your area / county.
Mike

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Re: boiler mate ll PLEASE HELP

Post  carianne1979 on Sat Aug 23, 2014 3:12 pm

im in swanwick southampton. ive spent hours reading. the feeder tank level isnt too high, ive checked. is the water in the feeder tank supposed to be warm? the hot water taps are steaming the water coming out of them is scalding. ive tried adjusting the mixer but no matter which way i try it the temp doesnt seem to change.

many thanks for your help
a very distressed carianne :-(

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Re: boiler mate ll PLEASE HELP

Post  carianne1979 on Sun Aug 24, 2014 7:11 am

had british gas out again today who have replaced the delay timer pcb and went. within 20 mins of him going leak starts again on the top of cylinder :'(

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Re: boiler mate ll PLEASE HELP

Post  mike on Sun Aug 24, 2014 2:11 pm

Well get them out again.
And the hot water ?
Complain.
Have you looked on here list of advertisers?
I am sure there is some one for your area.
Mike

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Re: boiler mate ll PLEASE HELP

Post  carianne1979 on Mon Aug 25, 2014 7:42 am

will ring and get them out again tommorow as the overflow is dripping again now. the hot water is back to normal temp and the heating is working fine so it doesnt make sense. Thanks for your responses though. what replacement would you recommend if we were to get rid of it? im not sure a combi boiler would be sufficient for a large 4 bed.
carianne

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Re: boiler mate ll PLEASE HELP

Post  mike on Mon Aug 25, 2014 3:48 pm

Boilermate BP unit would / should go in.
Or you can go for an unvented cylinder.
You have to consider the age of your boiler too.
There are some big combi's out there.
Mike

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