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Thanks. I will have to keep my fingers crossed <G> Cheers Richard

Thanks for your suggestion, however it seems from reading the manual that the soak test is for only 14 days howeve I surpose I could reset it after that time to see if I can pick up the fault. My quantery is that this zone covers what I consider to be the most vulnerable potential entry point...

Thanks for your suggestion. Problem is that as the fault only happens at an interval of several weeks and I go away in a few days time I do not have time to test this out<BG> I've now set the alarm to run for only ten minutes rather than 20 and as we are very rural I hope this does not upset...

Thanks everyone for your postings. My only reason, as you no doubt realize for opening and closing the window was simply to test if I had the double knock set correctly. In the event the system triggered as soon as the window was opened, whereas I had anticipated that I would have needed...

Guys I need a bit of assistance please. I have a zone that every few weeks triggers the alarm and I want to try setting double knock on it. I thought that I had done this correctly but opening a window on this zone still triggers a full alarm. I thought that I would need to open and close...

I've run some tape over the shaft and pushed the coupling back on and I feel confident this will now work until I can find a replacement coupling. /quote] Boiler has been running smoothly at the right pressure for over half an hour so I think I can safely say that the problem is solved...

I've run some tape over the shaft and pushed the coupling back on and I feel confident this will now work until I can find a replacement coupling. Cheers Richard

Thanks, yes I have tried them but they are the same here as The Plumb Centre <G> They cannot do anything until Monday when they will contact Danfoss. I think as an emergency solution I will try putting back the present coupling with 10 sec glue in the hope that it will give enough grip on the...

Thanks for that. I rang my local Plumb Centre but they do not carry the Danfoss connectors and have to wait to contact Danfoss to get a part number. Strange as I understood that these parts quite often need to be replaced. Cheers Richard

Thanks Daniel The spindle rod is about 25mm long and about 8mm dia. The actual plastic coupling is 20mm long. The Danfoss BFP 11 R3 pump is fitted to a Eco Flam Minor 1 HEB 40/60 burner unit and this is fitted to a Thermecon boiler. Cheers Richard

Thanks John They appear to have the part but their P+P of six quid makes this £1.40 part rather costly. Hopefully someone can suggest a more cost effective supplier<G> Cheers Richard

Guys I need to replace the drive coupling (sleeve) on the above pump but cannot locate a supplier. I would appreciate a lead to where I can get one. BTW I'm near Abergavenny Many thanks in anticipation<G> Cheers Richard

Many thanks. I'm hoping to get to it later today. Every time this false alarm happens there is never a problem resetting it and I have tried thunping the door when set and it holds fine. When I open the door when set I have to open it quite a bit before it triggers so I think the magnet is...

Thanks for that. Good idea. Cheers Richard

Err, how about a screwdriver? Perhaps because of there having been no further postings you have sorted out the problem <BG> Cheers Richard

Guys thanks for the previous assistance. As an intrem test because it would not be a direct replacement to fit the suggested better quality magnetic contacts, this is what I did. I took the same model of switch as was being used for the exit door from a high up window and used it on the entry...

Many thanks for that. Cheers Richard

Many thanks for that. I wonder what the difference is between these and what I have used apart from the built in resistors. Perhaps the reed switch is of a better quality? A reed switch seems such a simple device that I would have thought that they either work or don't <G> The one on my exit...

Can you point me to one that is going to be reliable that I can put in the same 19mm hole please? Cheers Richard

Thanks for the thoughts. This is the model of contact I have used on the exit door and all the windows. http://tinyurl.com/nvlhw2s The oak door frame is very old oak and is unlikely to get damp where it is however I've just checked and all seems to be well. The unused screws look a bit...