Recent content by zeushermes

  1. Z

    upvc glazing bead

    Can anyone advise re sourcing a couple of meters of upvc glazing angle bead? Bodged attempted break-in has destroyed the existing. Thanks for any help. CP.
  2. Z

    Avoiding obstructions in a cavity wall

    Hi, I'm intending to put a core drill through a brick/breeze cavity wall to vent a tumble dryer & I'm concerned that, potentially, there could be pipes, cables, etc; in the cavity. I seem to recall seeing a mention somewhere of poking a bit of bent, stiff wire through the initial pilot...
  3. Z

    TIMBER ANTI-ROT PELLETS

    In the past I've used pellets of an anti-rot treatment, which were inserted into holes drilled in timber. They released a chemical when exposed to moisture. I've been unable to find them in obvious outlets and wondered if anyone might know a source. Thanks, CP.
  4. Z

    Balancing CH rads

    Hi! I've recently fitted several TRVs and Lockshield valves to my system and am trying to get my head around the rebalancing. I would appreciate any advice on the subject & in particular the following: a/ Is the boiler temp setting critical? b/ Should the bypass valve be open/closed prior to...
  5. Z

    WHAT SORT OF WOOD IS BEST?

    I agree, they do 'survive' but they also swell when water is absorbed into the end grain.
  6. Z

    WHAT SORT OF WOOD IS BEST?

    This is the answer to the sticking door problem. A common mistake when hanging a new door is forgetting to seal the underside after its been trimmed to size. Water is absorbed mainly from the end grain by capillary action of the water that has run down the outer face. The problem can also...
  7. Z

    Vaillant boiler 'howling' noises

    The approach so far has been replace parts and see what happens. Which is fine until the warranty expires and I have to fund the bits that don't rectify the problem. Meters have been attached and adjustments made on most visits. Unfortunately, I have no idea to what degree. With regard...
  8. Z

    Vaillant boiler 'howling' noises

    Changing the HEX did alter the symptoms a bit in that, instead of the 'howling' being a continuous note, it is now on/off at about 3sec intervals but runs for about the same amount of time. As a layman in the subject, I'm reluctant to interfere with the boiler settings, especially as the...
  9. Z

    Vaillant boiler 'howling' noises

    Thanks 'croydoncorgi'. Would my boiler 'ecoMAX Pro 18e' be one of those 'certain Vaillant models' by any chance?
  10. Z

    Vaillant boiler 'howling' noises

    Thanks for your interest 'andsam'. I must confess I was unaware of magnetic filters before posting the problem but having read the general enthusiasm for them in the forum, plan to fit one but only after I'm convinced the sytem is reasonably clean beforehand. If the by-pass is causing the...
  11. Z

    Vaillant boiler 'howling' noises

    A Vaillant 'EcoMax Pro 18E' Condensing Boiler, installed 18 months back, has begun to make a horrendous howling noise when starting up from cold. Initially, HW is called for and there is no noise. However, half an hour later when CH is called for, the howling starts and continues for about 5...
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