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A friend of mine gave me a diaphragm. On the packaging it has Membrana R0870. After a quick google i found this: SYLBER 820085500040 R0870-SYL MEMBRANA 4.12 This info is from the Parts Center in Italy btw. I'm not sure were he got it from but it fits perfectly and the boiler is back...

Thanks for your replies guys. It's really appreciated. I'll get one ordered straight away. :D

Part Center and Glow Worm tell me that you can only get the diaphragm (for the Jaguar combi) as part of the diverter valve. :evil: Unless someone knows different, it seems i'll be buying a complete valve at a cost of £70+ :( Anyone onow of anything compatible? Sorry, i posted...

Hi Guys, Does anyone know where i can buy a diaphragm without having to fork out £70+ for the whole thing? Seems a bit of a con if you have to replace the whole thing just because a bit of rubber has gone. Is there anything compatible you could use?

I'll check for leaks and flush out the system as suggested. Again, thanks for your advice Tony.

Thanks Tony. I do understand that the dirt in the water may stop the valve from sealing properly. What causes the contaminants in the water? Am i right in saying Air leaks are a common cause of this? The system isn't that old (about 3 years). It's been in since i moved in. If i go...

Agile - Not so obvious if you're not a plumber or heating engineer. Ok, so first thing is to Power Flush the system and clean it up. I will trawl the forum about how to do this but any advice will be gratefully received.

Hi Guys, I've recently been having problems with my Jaguar boiler. There is a slight leak (drip, drip) from the safety valve when the central heating is on. The water is dirty, almost black. Obviously because of this leak i'm having to re-fill the central heating quite often. Also i've...