ecotec pro 28

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    Vaillant Ecotec Pro 28 & Drayton Wiser thermostat kit 1

    Hi All, I would like to replace a Honeywell room thermostat with a Drayton Wiser (I'll also be replacing the radiator valves later). Can I just confirm that: N & L stay the same 2nd L to A loop in the Honeywell should now be L to 1 in the Drayton 2 in the Drayton stays empty B in the Honeywell...
  2. J

    Nest generation 3 to valiant ecotec pro 28

    Hello, I have a year old valiant ecotec pro 28 boiler fitted with a wireless salus thermostat. I want to swap out the salus unit and install the nest system. Ive read loads of forums and still not quite shore what terminals to connect to, could anyone offer a simple diagram or pictures of what...
  3. S

    Valliant EcoTec Pro 28 - Pressure tops out

    Hi, i think i may have the answer from other posts, but nothing specific to my issue so want to confirm before calling a tech. Boiler over 5yrs old Cold Pressure set 1.2 Water temp - 60c Heating temp - 60c no noticeable issues with water Heating - comes on and heats up, but soon stops Pressure...
  4. C

    Ecotec pro 28 - new diverter valve and now radiators are warming up during hot water mode.

    New diverter valve and now radiators are warming up during hot water mode. It never used to do this with the old valve. Had to have a new diverter valve fitted (brass type) as the old was leaking. Now whenever I have a shower, I notice that the rads are getting hot. Not good for this kind of...
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