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  1. Isambard

    18 month old shower now hunting/pulsing.

    Searched similar posts but they mostly relate to newly installed items. Our Mulga thermostatic shower, fitted last year and fed by a Stuart Turner pump, was absolutely fine when we moved in five months ago, then last month began occasionally hunting on startup before settling into normal flow...
  2. Isambard

    Diagnosing lukewarm radiators.

    I have two column rads at the far end of my CH loop that take forever to become even lukewarm despite inlet pipe temp at 50⁰+. Plumbers have installed bottle air vents in case an airlock was the problem but to no effect. I've drained the system, checked pipes for blockage - all fine. Reversed...
  3. Isambard

    CH - constant or timed?

    I'm sure this has been asked before but searched the forum and can't find answer: Is it more efficient to leave CH on 24/7 or time it for 2-3 sessions per day? My intuition (and 2nd law of thermodynamics) suggests the latter but BG engineer told me that leaving it on 24/7 and just varying...
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