Recent content by Grizza

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    Old Myson 75 Si - boiler thermostat

    My very old boiler runs fine but the boiler thermostat doesn't seem to be working at all. Makes no difference what the setting is, so it's now on '1'. The overheat thermostat must be why it's working OK ? I can't get a spare part ( not that I was thinking of fitting it myself) from anywhere I've...
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    Raising the garage truss

    Hi. I have a detached double garage with an attic supported by a fink type truss. I'd like to raise the bottom beam of the truss by a couple of feet ( to allow a full golf swing ! ), Currently it's about 2.30m from the floor and another 2.6m to apex of garage which is about 6m wide...
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    Garage floor rubber mat - but which type ?

    Hi. The floor paint over the years has come off with wear and tear mainly from car tyres so I'm going to put rubber matting down - be nice to have a clean / 'undusty' environment for table tennis too. I'm looking at a thick floor mat 4.5mm on a 6m roll and also now at Duramat interlocking...
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    Fixing leaking tap and Potable expansion vessel.

    Many thanks Simon. I presume it just re-pressurises itself when the mains is put back on ? No bleeding or air pumping up required
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    Fixing leaking tap and Potable expansion vessel.

    Hi. Just being on the safe side - I have a leaking Garda mixer tap in the kitchen; not sure if it's the hot or the cold side so I've bought both the replacement ceramic washer units online. I was just about to turn the main water supply off and had a last minute worry about the pressurised...
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    Exterior Window trims redecorate/ replace

    Hi. Not for the first time water gets behind the trims and starts rotting them so I need to repair / fill before I can paint. I've replaced some with new wood in the past but this time I was thinking of using uPVC like this ...
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    Worcester Combi - system pressure

    My son's just bought a one bed flat and installed is a wall hung combi boiler probably Greenstar ( although I can't find where the model no is located) It services 5 rads and hot water. I've had it serviced and all is fine. The plumber said the system pressure wants to be at 1.5 when rads cold...
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    Downstairs radiators don't heat up while upstairs do

    Hi Tony. When you say 'run on low' does that mean turn the temp setting on the boiler down ?
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    Downstairs radiators don't heat up while upstairs do

    Thanks. Pump's definitely OK ;arrow pointing right to left. The first one fitted when the house was built, was fitted incorrectly with an upright spindle up tight agianst the wall. So when that packed up, the replacement has had the the housing moved round so the spindle can be horizontal. cheers
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    Downstairs radiators don't heat up while upstairs do

    Thanks Agile. Was waiting to have a new expansion vessel fitted. The plumber's been waiting 3 weeks now for his supplier, so I've just ordered one yesterday morning via internet, cheaper than he was going to get it too, from Advanced water co, and it's just arrived! He'll fit it tomorrow. I...
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    Downstairs radiators don't heat up while upstairs do

    it's more like an oil mark. My wife had loads of spare shampoo bottles, cleaning liquids etc and something probably did leak a bit but not sufficient to cause a problem. I had a look at the box before, but the wiring comes straight up underneath through the floorboard. Where the potterton...
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    Downstairs radiators don't heat up while upstairs do

    Agile - I think so as boiler is high up on wall and pipes going upward.
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    Downstairs radiators don't heat up while upstairs do

    Thanks Gazman. 'Doh....' Yes I've just turned off the one side on all the radiators and turned on downstairs one by one. All seems clear now , and perhaps a bit better balanced as I've turned a few down a bit. However I've another problem just started ; don't know whether it's associated...
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    Downstairs radiators don't heat up while upstairs do

    Thanks Gaz man. There is water in the header tank ( F&E tank presumably). Not sure how to check for blocked cold feed. I'm going to turn off all the radiators both sides, and then run the CH and turn them on one by one from the furthest away, to see if that clears any air locks. Can't hurt...
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    Downstairs radiators don't heat up while upstairs do

    Only had new pump fitted a couple of years ago. I've turned setting up to max 3 which should be plenty. It's a grunphos 15/60. I've rechecked all radiators for trapped air too. Does one of the valves / taps near the tank affect this or is the pump wearing already ? It does sound a bit louder...
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