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Type: Posts; User: geoff07

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    If your boiler manufacturer makes a weather...

    If your boiler manufacturer makes a weather compensator, then that is likely to integrate better with your boiler, possibly even physically in the cabinet. Though the report above isn't too promising...
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    Of course, if you don't have a hot tank you don't...

    Of course, if you don't have a hot tank you don't need to be concerned about Legionella as long as any long hot pipe runs are flushed periodically. For those that do have tanks, a tempering valve...
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    From what I can tell, it knows the return...

    From what I can tell, it knows the return temperature and adjusts the flame accordingly. But it doesn't know the outside temperature so can't tell what radiator temp you really want.

    The other...
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    A condensing boiler is efficient because the...

    A condensing boiler is efficient because the return water is cool enough to condense the exhaust gasses, and thus recover the latent heat of evaporation of the water contained within the supplied...
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    Sorry, not really known in the UK (too damp here).

    Sorry, not really known in the UK (too damp here).
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    If you have a condensing boiler, make sure that...

    If you have a condensing boiler, make sure that the return temperature is no higher than 55 degrees when heating radiators, to ensure efficient heat recovery. Radiators are generally set up for an...
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    Be careful here. The Conrad/ELV documentation is...

    Be careful here. The Conrad/ELV documentation is unclear and misleading. The FHT8R controllers don't have a receive capability and can't be controlled from another device. For that you need the...
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    The Conrad (ELV) system using FHT8R zone...

    The Conrad (ELV) system using FHT8R zone controllers will do most of what you want. It won't limit the max temperature in each zone (do that by setting the water temperatuire using a weather...
  9. Make sure that the adapter is fully screwed down...

    Make sure that the adapter is fully screwed down onto the valve. I had to grease them to make sure this happened. Otherwise a spacer (such as a plastic counter) should do it. Valves leak sometimes,...
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    Fit a weather compensator!

    Fit a weather compensator!
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    In addition to all the technology (which does in...

    In addition to all the technology (which does in principle what you want, but at a price, as your Finance Committee has pointed out) why not consider a Weather Compensator?

    A WxC reduces the flow...
  12. Why? If you have zone valves you should be...

    Why?

    If you have zone valves you should be able to limit the HW temp to 60 and limit the CH temp to whatever you want. If you don't have zones even for HW then you should fit them.

    Some other...
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