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namsag.... I could only find one kit and one diaphragm on its own. I think they'd be the same, the kit would probably include the spring and other pieces. Mark

Thanks namsag. So if its a universal one I found this at Keeptheheaton.com..... Worcester 8-716-140-553-0 Diaphram Replacement Kit Diaphram Replacement Kit I take it this should be it. Mark

Yep I've already changed the diaphragm once before, but I can't remember the part number to get another one. It is a fiddle to get to and replace, but its pretty straight forward. Any other suggestions regarding the part number. Mark

Can anyone tell me the part number for a Diaphragm for a Worcester 24CDI boiler, and maybe the best place to order one. Hope someone can help, Thanks in advance, Mark.

Can anyone tell me whether it would pay to go with an electric boiler for CH and hot water or to stick with my Gas LPG combi system. I haven't heard much about the electric boilers, but they do sound a good idea. Would they work out more expensive to run compared to gas. My electricity supplier...

Great, thanks everyone for the help. Mark.

OK this is my problem. Where the two flow and return 22mm pipes enter the boiler, they are connected to a compression fitting which has an on/off screw to them. After turning one of these screws to stop the flow, it now leaks. I need to know either the item number or what these are called so I...

Ok thanks for that. May seem a daft question, but how does the heat exchanger work, and should the pressure gauge rise when you have'nt got the heating side on but you turn the hot tap on. It does now but I never noticed it before. It moves up nearly Half a bar and then drops when you turn the...

Ok how's the pressure checked in the vessell. Is it a big job. I'm pretty capable of most things as long as it does'nt involve the gas. Thanks again, Mark.

How will I know if its got a hole in it. The heat exchanger was replaced about six months ago cos it was leaking on the floor. Could air be a factor. I can hear air around the pump when the heating is on.

I've recently taken off one of my rads to do a spot of decorating. When I re-connected it, I topped up the system to about 1 bar whilst cold. After turning on the boiler the bar increased to about 1.5 bar which is to be expected. I checked a couple of days later and the bar had gone up to over...

Yes its a combi but I dont know the model number. Its my sister thats got the problem and she cant find any model number written on it. Sorry.

Its a valiant boiler.

My problem is that my boiler will fire for hot water, but does not fire for the central heating. Can anyone give me any ideas.

I have a 24cdi, and had the same problem. My trouble was that it was the diaphram that had gone. Mine was 5 years old though.

Got a slight problem. The hot water is luke warm when it comes from the bath tap but piping hot from the sink and in the kitchen. Has anyone got any ideas. :?:

The only solution will be to get some heat into the room. I take it that its not a plastic cistern or pipe. :?

Can anyone help. I am a builder by trade and also do a lot of plumbing work. I would like to do more with plumbing, so I thought it may be an idea to become corgi registered. Are there any courses that could help me out. :?: A web course would be ideal to start with.[/b]

Does anyone know where I can get an O Ring pack and a fibre washer pack for a Worcester 24cdi RSF boiler. The part number for the o ring pack is 7 716 192 207. :?:

Its an RSF. I need to change it cos the one I've got has a pin hole in it and is leaking.