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    No central heating on BAXI DUO-TEC COMBI 24 HE

    The opening line may have been wrong, I was just going by the OP's posting stating gauge going to 4 bar, so assumed that was the pressure the safety valve was working at, I don't think that's way of course with that facts known at the time. I have since been educated that's it should only be 3...
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    No central heating on BAXI DUO-TEC COMBI 24 HE

    Well thanks for posting. Why didn't you explain that in your post instead of trying to say "Disregard". EH? If any mistakes were present, you should have used that opportunity to correct them. Or posted your procedure for the OP to try, or indeed any others who may face a similar problem with...
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    No central heating on BAXI DUO-TEC COMBI 24 HE

    Replies, that state there may be other causes, but with no pointer TO the other causes, are not helpful for learning what the other causes could be. I didn't think, at the time of the small permeability factor, therefore thanks for mentioning it. It can happen after a few weeks? I wouldn't...
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    No central heating on BAXI DUO-TEC COMBI 24 HE

    COOL, Thanks for replying folks. servotech - Don't want any gas police knocking on the door. But some basic checks can get problems resolved quickly, or at least give an indication as to repair time and cost. Is this repair in need of a gas safe technician as it's on the water side on the...
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    No central heating on BAXI DUO-TEC COMBI 24 HE

    Thanks for adding your comment. Where else would the water come from in the "air" side of the tank? I'm asking cause I'm interested. Anyways, I will have to reword my statement then... If there is water coming out of the air valve, it is a possible sign of the diaphragm failure in the...
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    No central heating on BAXI DUO-TEC COMBI 24 HE

    Oh, I must add... I had a similar problem with my boiler, which was the same make and model..... Although didn't have the circulation problem due to the closed return valve, but as someone earlier pointed out, the valve should be open. My problem involved a rise in pressure during operation...
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    No central heating on BAXI DUO-TEC COMBI 24 HE

    Ian, Would you care to clarify WHAT, in your opinion is wrong with the statement I made. Or is it that I have gave too much info away? EDIT:- And if the people that thanks and likes the post want to contribute as well, I would be interested in the opinions, and explanations of what is wrong...
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    No central heating on BAXI DUO-TEC COMBI 24 HE

    The pressure will rise to 4 bar then the safety valve will lift. If you switch the boiler back off the pressure probably comes back down to below 0.5 bar, resulting in a need to top up the pressure again (?) perhaps. Have you tested your expansion tank? From your description it sounds like...
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    Free design tools ?

    +1 for the sketchup.
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    Kitchen units in garage

    How about a "French Cleat" style of mounting? Visible screw head problem solved.
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    Any opinions on Epdm roofs?

    Thickness of ply (or other) would depend upon general arrangement and strength of the frame underneath. Your looking to get a strong, solid surface. Perhaps the people that are fitting these may come in with suggestions. In my project I used 2 layers, but at this moment in time I can't recall...
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    Any opinions on Epdm roofs?

    The rubber glues onto a ply, or similar, surface so thickness isin't as big a concern as it may seem. Any frame has to be covered in the appropriate thickness wood sheet material. Search the forum there are many EPDM v's felt posts. I fitted small scale EPDM covering some years ago (as a test...
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    Screed or SLC for uneven floor

    I don't think any SLC actually self levels all that well. (but I stand to be corrected if someone knows better :) ) Yes, you will need to give it some assistance when its poured, using a float to push it into corners and generally try to get it reasonably level before it starts to set. As...
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    Scottish Independance

    Companies gone from everywhere not just Kilmarnock. Grangemouth refinery next? Oh dear.
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    Screed or SLC for uneven floor

    Or even 50mm in one application (Wickes deep base)
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    blue layer under concrete floor

    The "blue layer" is probably some kind or paintable "damp guard" product. It certainly looks like it, and you have came to the same conclusion yourself. The "black almost sticky layer" sounds like it may also be a "damp guard" product, just another manufacturers version of it, laid at the...
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    "Smart" charger wont charge diesel battery

    Can only agree with Peter.N. Had a battery which was severely discharged and tried a Halfords “smart” battery charger on it. Didn’t want to look at it. Left it overnight and still nothing happening next morning. Dug out the old charger and next morning had the battery charged. I will add...
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    Replacment UPVC Door Lock 'keepers'(?) For Security

    Screwfix supply ”universal” lock replacement assemblies. Might be overkill to what your after. More for information for yourself. I would be dubious as to the term “universal” as placement of keepers may not match existing door. There are different sizes of locking mechanism available(where...
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    connecting electric shower to water supply using flexi pipe?

    Have used a flexi where entry holes from a very old, and broken shower didn’t line up with the new shower. Works ok. When it’s external to the unit it becomes an appearance issue.
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    Playing Youtube clips through Windows Media player? how to ?

    There is a "youtube downloader" available with an internet search. On the cnet site. Sits as a separate application, also does file conversions. Don't know if its exactly what your looking for but probably worth a try.
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