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    Optima compact alarm - clicking noise

    I've got an Optima compact alarm panel, with a siren in the kitchen. I came home today and the panel and bell were making a weird clicking noise. Entering codes did nothing. I disconnected the panel from mains and took the fuses out of the panel to check for any issues (no tamper alarm triggered...
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    LED bulbs for bathroom - can just get standard ones?

    I'm replacing bulbs in two bathrooms with LEDs (g9 and gu10). I can just use standard bulbs for this? The light fittings look appropriate for bathrooms. Sorry if this is a daft question - wasn't sure if I need IP65 bulbs or anything
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    Setting water and heater temperature on boiler and cylinder

    My Vaillant ecotec plus 428 boiler lets me set both water temperature and heating temperature. My hot water cylinders also have a thermostat on them. I want the hot water in the cylinders at 60C. I've currently got the thermostats on the cylinders at 60 and the water temperature on the boiler...
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    Putting LED bulbs in old light fitting

    I've got quite a few light fittings like these in the house (not on dimmer switches or anything). They were put in by a previous owner. I know that they may not be compatible with LED replacement bulbs, but is it safe to just put LEDs in and see if there are any problems? Thanks!
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    Moss on concrete garage roof - clean and coat, or not?

    I've not long bought a house with an asbestos concrete garage roof. This isn't leaking or anything, and I'm hoping not to replace any time soon. It does have quite a bit of moss etc. growing on it, though. I'm trying to decide whether this is best cleaned and coated with acrypol or left as is -...
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    Crack in wall/ceiling

    I've noticed a crack which runs from the ceiling, then across a bit, then a good way down the wall - see photo. This is on an exterior wall, with no sign of damage outside. It has definitely been there at least a month and a half, but I don't know if it has been there for much longer. It's a...
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    Wires showing at top of ceiling light fitting

    When I was putting a light shade up, I noticed the blue and brown wire at the base of the light fitting are exposed. Is this anything to worry about? And how would I fix it? Thanks!
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    Two red gate valves in garage, no hot water

    I've moved into a house with two red gate valves in the garage (see photo). The stopcock is open and cold water runs fine. No hot water, though. I've tried opening both of the gate valves, but there's still no hot water out of the tap (if I open the lever valve on the washing machine pipe for...
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