Recent content by JW.

  1. J

    Independant CH controller for Potterton MF RS 70 Gravity system

    I pay an AWFUL lot for the gas, yes!
  2. J

    Independant CH controller for Potterton MF RS 70 Gravity system

    Right, again, thanks for the helpful information. What I really need to do is take this info to the landlord who can hopefully get this set up. (If it was my house I'd be happy to upgrade the system with a better solution, but for now I need to find a way to make it work without too much...
  3. J

    Independant CH controller for Potterton MF RS 70 Gravity system

    Ahh right! Thanks so much for looking into this for me. Could you humour me and give me more information about how the 'dumbed down' version would work, please? Would that mean that the room thermostat would turn on both the CH and the HW? And in the summer could I still have just the HW on...
  4. J

    Independant CH controller for Potterton MF RS 70 Gravity system

    Ok thanks for that, it looks interesting. Just to be clear: That's not how it works presently. The BP2000 will allow for separate timings for CH and HW, but the CH will not come on unless the HW is actively on. So no, the CH will not also turn on the HW, that's the issue. (Unless there's a...
  5. J

    Independant CH controller for Potterton MF RS 70 Gravity system

    Thanks for the reply! Yes the BP2000 has two channels, but the CH can only come on if the HW is on. This is fine for the summer, when the HW can come on for 15 minutes in the morning and the CH is not needed. In the winter it's going to be a nightmare to have the HW running constantly just so...
  6. J

    Independant CH controller for Potterton MF RS 70 Gravity system

    Hey all o/ Here's the situation: In our rented home, we have an old Potterton MF RS 70 that has gravity hot water, and pumped central heating. It does not have any zone valves, but has a programmer that allows the CH to operate from a room stat when the HW is on. The trouble with this, is...
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