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    POC in flue integrity

    Windy day, wind blowing directly at a fan assisted horizontal flue. During a flue integrity test O2 is 19% 10ppm of CO The very next day without the wind the flue integrity is fine. This is the first time I've ever had this but I would guess its a common issue? I wouldn't say the flue is...
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    Grundfos Alpha1 L 26-65 replacement

    130
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    Grundfos Alpha1 L 26-65 replacement

    Just had a call out to no central heating and the pump needs replacing tomorrow. It looks like the Alpha1 L has been discontinued as its not listed on Grundfos website and it looks incredibly difficult to get hold of one. Typically their technical help is out of office now until Monday so could...
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    Concealed Cisterns

    You are right they can take a little more work but correctly designed it should be insignificant. If we're talking furniture then the best aim is to be able to service it through removal of the upper front panel which prevents you having to take the toilet out. The two main concerns are Dump...
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    Underfloor heat pipe specification and pipe centres and radius bends.

    Have fitted a vast amount of differing systems and all 15/16mm pipes I've ever used have a rough bend radius of 200mm. If you were to go down the route of 130mm centers you would need to stagger to bends to form a sort of bell shaped turn.
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    Is there a flexible pipe suitable for a secondary hot water circulatory system?

    My theory is that Polypipe claim their pipe isn't suitable, presumably from reading the literature because they don't want the pipework/fittings to remain at high temperatures continuously. They do say that even timer/thermostat controlled systems aren't suitable but I personally think they've...
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    A leak I cannot get to! What to do in this situation!?

    Ideally take the toilet out and shouldn't be a hard fix through that access Got any spare tiles? It wouldn't take long to whip one off and fix it properly as an alternative Sealants won't last
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    What we all working on this week ?

    Old listed building all copper all press. 3 zones, towel rail circuit, hot secondary balanced and cold main. 30 cast iron rads 3 cast baths and an external cast stack to fit. Chased 28mm plus lagging and passovers wasn't much fun, ended up taking out 60kg+ of screed and concrete for it. The job...
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    Capping a redundant gas cooker supply

    That's crap. There is a procedure for re-lighting gas appliances after he's capped the cooker supply but it's only visual Flame picture (if applicable) Location of the appliance Flue is OK and suitable Adequate ventilation Signs of distress (heat damage or discolouration in surrounding area)...
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    Pipes for thermostat shower fitted at different heights

    Post a pic Could be you carefully break out the tiles and slide them up/down if they are close and have enough play on the pipes.
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    Installing pipework to avoid airlocks

    As long as you have a decent head on pipework you're working on and that there isn't a massive high spot you'll always clear the air. Typically pipes go in notched into the joists at the same depth regardless of what the spirit level says. The only time I've ever struggled with air locking hot...
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    Oversize kitchen sink top/drainer buying one.

    See if you can get a measurement on the cut out underneath and fingers crossed your current sink just has a bigger flange Alternatively if you have space to open the hole up further and a big base unit you could stick a double in...
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    tanking. Is it ok to just seal everything with plastic.

    I'll be curious to know what you do as what I was getting at is I'm not sure of anything that can fixed onto while still remaining waterproof
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    tanking. Is it ok to just seal everything with plastic.

    If you can find something that will create a waterproof seal and then be sufficient to stick what ever your tiles/wall panels too then sure. Most installations don't have any tanking but that isn't to say that is the right thing to do.
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    Show us your fanciest radiators you have installed!!

    Currently first fixing for 25 of those. 15 being re-finished and 10 new ones. Biggest being 800x 1500 at 150kg. Let me know how they go as not had to do any cast iron rads yet. Mine are also set to be delivered in 2 parts for the big ones but didn't realise I would need fancy tools to assemble...
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    Central heating losing pressure all the time

    Get a decent engineer to isolate the boiler and test. It will then be obvious if its the system or the boiler. From that point its fairly easy to figure out. If its the boiler it will likely be the Heat exchanger or the pressure relief, if its the heating system and you're not showing any water...
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    Repeated Airlock in Bathroom

    Do you have a teenager in the house who likes long showers?
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    I need help finding toilet seat (URGENT)

    Ah very good. Somehow missed your posts before I submitted mine. Going to blame the formatting of the ads on this forum. Good job finding that bet it wasn't easy
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    I need help finding toilet seat (URGENT)

    Go to a plumbers merchant and ask them to source you one. You'll pay a premium for it but the alternative is the same as anyone else, just a long slog on google trying to find one. I have absolutely no interest in doing that for nothing for you as its not at all interesting to me, I expect it...
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    Ideal logic products of combustion in casing

    What are you getting as a reading on a flue integrity test ?

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