Daftbat's latest activity

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    Daftbat replied to the thread CH conundrum..
    Many thanks for the responses, will change the pump and report back.
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    Daftbat reacted to Johntheo5's post in the thread CH conundrum. with Thanks Thanks.
    Yes, try it on that, I is the lowest speed/head, if Rads not heating up fully, try it on II, if nothing changes install a new pump.
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    Daftbat replied to the thread CH conundrum..
    Traditionally it's been at the mid point - in other words the narrow point of the grey pointer on your picture above has been pointing...
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    Daftbat reacted to Johntheo5's post in the thread CH conundrum. with Thanks Thanks.
    Yes, I suppose, no harm in spending a few quid now after 20 years or so, would suggest a DAB Evosta 3 (not the Evosta 2) or, like my...
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    Daftbat reacted to Johntheo5's post in the thread CH conundrum. with Thanks Thanks.
    How old is the Alpha, if fairly modern it will display the power, watts, as W or/and some display the flowrate in m3/hr, so check for...
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    Daftbat reacted to Johntheo5's post in the thread CH conundrum. with Thanks Thanks.
    You said you pump is the Alpha + so probably a fairly old pump with no LED display etc, if its set to either II or III on the fixed...
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    Daftbat reacted to Harry Bloomfield's post in the thread CH conundrum. with Thanks Thanks.
    If both of the gate valves work, and the top and bottom unions are not seized, then replacing the pump is a fairly simple matter.
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    Daftbat replied to the thread CH conundrum..
    Hello John, Many thanks for your response. Yes it's a vented type system with a small feed and expansion tank in the loft. You've...
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    Daftbat posted the thread CH conundrum. in Plumbing and Central Heating.
    Hello to all, hope you can help. We've an oil fueled Potterton central heating system, with two zone valves opened by Drayton ZA5...
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