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Oliver_murphy

the law actually says "its illegal to work on a gas Fired Appliance, unles competant to do so." The only way to be deemed competant is to sit a CORGI recognised exam. Only then can you work on a gas fired appliance, and, YES, this does inlcude hanging it on the wall, or to get very specifi...

Oliver_murphy

could be that your plate-plate heat exchanger has split,

Oliver_murphy

No, afraid not.
Just like Part Centre, and I believe wickes now, willl only sell a gas appliance or gas spare to a Corgi registered engineer.

Oliver_murphy

No, this is complety normal, and is exactly what the boiler is designed to do.

Oliver_murphy

Its a combi right?

Look at the Divertor valve, you should be able to find a diaphram in there, in what looks like a spaceship/saucer.

Replace the diaphram.

Easy

Oliver_murphy

Just ensure everything is turned off before you start, then only turn it back on when your system is full again

Oliver_murphy

deslude and descale the system. Make sure its done properly.

Oliver_murphy

ho hum.... lol.

what I am saying, it cant be cleaned out with chemicals, to descale the pipes.

It would have to be replaced... or change every ball valve in the house, to ensure they are all good..

Oliver_murphy

sounds like pipe hammer, due to scale in your pipes. Not much can be done, except to replace the pipework

Oliver_murphy

You are talking about angled Valves, and you can get straight valves, where the pipes come straight out of the floor, straight into the valve, and the into the rad. In one nice continiuos line. and then you can face teh valves inwards, so the both look at each other. Very neat little job .

Oliver_murphy

you will need to drain both the systems down. The cyl and Central heating. The gate valves wont cause you any hassle, as long as you have fully drained the system. It shouldn't be draining into a overflow, I think that maybe you have the ballcock set to high, I would suggest getting someone in, look...

Oliver_murphy

HOw old is your cylinder? It may be scaled up, which is common in copper cyl's. Normally mean it has to be replaced.

Oliver_murphy

there isn't :(
only a meter qualified person can install a meter, and as far as the box goes, is it sunk into the wall? If so, only the door can be changed at cheep. Otherwise it brick work as well

Oliver_murphy

OR, the Plate To Plate heat exhanger is scaled or sludged.

Oliver_murphy

The general rule of thumb for vents/air bricks is a 300mm distance to the outer wall of the flue. Although you cannot adjust the flue itself, unles the manufacter provides a "Plume Managment Kit" you can set the vent for the hood away, aslong as its a min of 300mm.

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