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    Vaillant VRC400 Backlight

    Does the vrc400 have a backlight? I have just fitted one to a Ecotec 428, it all works fine but when it goes dark , I have to turn the light on to see what the display is showing. The manual does not say anything about the backlight . Was I expecting too much to think it would have one?
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    Finger or something better?

    What do you guys use to put flux on copper tube? I normally use my finger and just dip it in the powerflow flux. My finger by the end of the day looks red raw. (also feels it) Am I just being soft and in need of some nivea for plumbers :wink: or should I be using something else? Cheers Carl
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    Underfloor Heating, Vented or unvented?

    I want to add some underfloor heating to my kitchen. This will allow me to get rid of the radiator and have more cupboard space. My question is, Does the central heating have to be pressurized/unvented? I have got a vented s plan with a 3 port valve and header tanks. The only diagrams I...
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