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    8x2 flooring panels

    Im about to board my loft. Du you know if you need to leave an "air gap" between the insulation and the loft board or can you pack the insulation right up to the loft board? :?:
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    Loft insulation advice required

    Hi Static, cheers for the advice, will do. But do i need an air gap between the insulation and the loft board? :?: thanks Chris
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    Loft insulation advice required

    Hi I wish to insulate my loft floor and partially board it. At present it has a measly 50mm of insulation. The joists are 90mm deep and I plan to raise the joists to 180mm in the area I plan to board by fixing another 90mm deep beam ontop of the exiting joist. My question is... Do I need an...
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    Ferroli Optima 901 -occasional Hot water problem?

    Thanks for the help guys, How easy is is to clean the heat exchanger? Is it a matter of removing the panel on the front under the main casing? Or does it sound like I need to get a proffessional in! Just a bit reluctant after getting stung last time just to change a PRV. I know I should of...
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    Ferroli Optima 901 -occasional Hot water problem?

    Hi, thanks for the reply, I presume you mean items 34 and 42 in the diagram in the thread above. If so these are the temp sensors I have just changed along with the flow sensor :( Any one else got any other ideas Cheers Chris
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    Ferroli Optima 901 -occasional Hot water problem?

    Hi there, So I have now replaced the Flow (paddle) Switch on the HW side and also replaced the two temperature sensors for the HW and CH. I thought I had cured the problem, but then I ran the bath last night and half way through it ran cold!!! I turned the tap off and tried the tap on the...
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    Ferroli Optima 901 -occasional Hot water problem?

    Cheers Chris, I'll order these sensors and replace them (just in case) and then isolate the cold water and clean out the paddle switch, see if that has any effect. thanks a lot for your help. Chris
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    Ferroli Optima 901 -occasional Hot water problem?

    Hi Chris thanks for the diagram that helps a lot. Which numbers are the two temperature sensors you refer to, it may be worth changing them just to elminate those from the equation. Nope not in a hard water area. Thanks Chris
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    Ferroli Optima 901 -occasional Hot water problem?

    Hi thanks for the advice, any more advice on what the paddle switch looks like and roughly where I can find it. It appears to occur more when I am running the bath, ie attempting to heat up a larger quantity of water. If i then stop running the bath and turn on the basin hot tap the water will...
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    Ferroli Optima 901 -occasional Hot water problem?

    Hi thanks for the quick reply. Any advice on how to carry this out would be greatly appreciated. I have the main cover off at present along with the bottom cover. Cheers Chris
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    Ferroli Optima 901 -occasional Hot water problem?

    Ferroli Optima 901 -occasional Hot water problem? Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing occasional problems with no hot water. This has been noticed when running the bath, with it initially running warm and then running freezing cold. I think I...
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