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  1. R

    Immersion heater timer

    I need to fit a timeswitch to an immersion heater which currently has a 20A DP wall switch fed from a 16A mcb in the cu. Should I fit the timeswitch before or after the wall switch? As the timer is likely to be a digital one with backup battery I guess it should go before the wall switch so it...
  2. R

    Is the system fully pumped or gravity?

    Many thanks for your very quick reply, now I can order the 6002 programmer :D
  3. R

    Is the system fully pumped or gravity?

    Hi, I need to upgrade the programmer on a heating system to give 7-day programming. The current programmer is a Potterton EP2002 24-hour unit and I am looking at fitting the EP6002 which gives 7-day programming with independent hot water and heating switching but this is only suitable for...
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