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No replies whatsoever to my post?? Perhaps too much writing, so I have edited it right down. Hope someone will respond Thank you JIm

Should there be a small spurt of water from the expansion pipe into the expansion tank when my Baxi Bermuda 401 switches on or off? If this should not happen what might be the problem? Many thanks Jim

Alarm can you be more specific as to what the problem might be? I have now double checked with a second battery and still have the problem. I am frightened by your comment about ladders, when I posted 4 years ago I did say that I could not go up ladders and was hopeful the remedy was...

Thanks Joe 90 for the quick reply, I know it is not a true test of a battery, but it does give a good 12v according to my multimeter, also with everything connected as normal, if I turn the mains power off then the alarm does not go off suggesting the battery is ok, but what I can do is try it...

I have started a new post but in fact posted the same problem 4 years ago. I am installing a new control panel on my alarm system. I want to stop the external bell sounding whilst I install the new panel. This happened 4 years ago in Sept 2007, this time I am replacing the panel because the it...

Both sections are not cooling but the compressor is working so wondering if it is a thermostat fault. How would I check the thermostat?. Also I'm not sure if there is just one thermostat. Does anyone know this model. Hope someone can help. Many thanks. Jim

Apologies for not posting reply till now but thanks to Breezer for info.

I am installing a new control panel on my alarm system. I want to remove the old panel which is a OPTIMA XL6. I had removed the battery to do the pre-install test of the new alarm. I started the removal of the Optima panel by turning off the power which caused the outside bell to sound...

I have an Apollo 80B boiler. The boiler is approximately 15 years old. At the moment the hot water is being heated to a scalding temperature. The central heating appears to be working normally. I thought that the problem was a faulty thermostat on the hot water cylinder and I have replaced...

Many thanks for the replies. The boiler is now working properly again for the cost of a new diaphram. Replacing it was very easy, when you know how. Thanks for your concise and clear instructions Ollski.

Many thanks Ollski for your reply. My apologies if these next questions seem stupid. Having looked at the diverter valve I see that there are two diaphrams, a big one and a small one. Will it be one in particular or could it be either. It looks as if replacing the bigger one would be more...

This boiler is approximately two years old. Although the central heating is working as normal, there is no hot water being produced. The flow of water is normal but is not being heated, although bizarrely there does seem to be hot water produced for two or three seconds when the tap is first...