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  1. Q

    What difference is there between IP4 and IPX4 ratings?

    I'd learnt that an IP4 rating would be necessary for the fan heater I'm having installed in my bathroom, so I ordered one online that I misread -- it said IPX4 not IP4. Now that it's arrived I see that it has a rating of IP24 -- so can anyone tell me what that extra X in the rating refers to...
  2. Q

    Underfloor heating.

    I freeze in my small bathroom though it has a conventional CH radiator. There is very little wall space for an electric heater (except above the bath/shower), so I was considering fitting underfloor heating. Have any of you had personal experience of how much difference it makes to the...
  3. Q

    Cooker hood with no earth wire.

    I've bought this Luxair cooker hood which I notice doesn't have an earth wire, even though the case is stainless steel, and the control buttons are also metal. Is this OK?
  4. Q

    Replacing thermostatic valve on a Drayton TRV2

    Is it necessary to drain the radiator before replacing with a new valve?
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