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    Replacing programmer Honeywell ST699B with Grasslin QE2

    Hi, I have a fully pumped system at the moment with a honeywell ST699B programmer. I don't like this programmer as I feel it is wasteful as you can only have two switched programs per day and it has no boost +1 hour button. I used the QE2 at my last place and got on with it well. I...
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    Occasional leaking from ROCA old style D1D drop valve

    Hi, Hopefully someone can help. I have a Roca cistern and I have identified that I have the older D1D drop valve (with shorter d shaped rods). Like this one here: Occasionally (maybe one flush in 10) the valve sticks and water can be seen overflowing onto the pan. The first time I...
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    programmable room stat to effect a move of the main controls

    Hi, I have a unvented "system boiler" type heating with pumped water and heating (separately controllable). The main controller is on the first floor in the airing cupboard. I have looked into moving it to the downstairs utility room but the cost is proving to be prohibitive due to the...
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