Search results

  1. H

    Thermostat - batteries have leaked

    Hi, it might be a long shot but this maybe worth checking out/ maybe message the seller to check the specifications as it may be the Drayton equivalent and it shows it links to the old WR1 you have. There is about one day left on the listing...
  2. H

    Honeywell ST799 keeps turning off

    I will probably carry on using the trusty one in their until it goes completely then replace it with the used one in the first instance as a precaution. I understand that in addition to the programmers simply breaking down with age it can also be caused by an external problem e.g. a with a...
  3. H

    Honeywell ST799 keeps turning off

    Thanks, I will test it (when the winter is over!)
  4. H

    Honeywell ST799 keeps turning off

    I haven't found a source of new old stock at that price but am waiting for a reply from someone apparently with a new unused one for quite a low price. I think one of the signs that is is unused may well be lack of browning around the BZT diodes mentioned but am probably not going to start...
  5. H

    Honeywell ST799 keeps turning off

    BTW I wasn't thinking of keeping the battery outside the unit if that is what you thought but still inside the unit but in a location where it was not able to leak over the pcb as it is now. I won't be doing this at all in any case and it was just an enquiry.
  6. H

    Honeywell ST799 keeps turning off

    Thanks for your quick reply. My understanding was these types of batteries have a very low risk of leaking also and will not touch anything. Will probably buy a new old stock unit and keep it as a spare as it is. I was enquiring after watching this video.
  7. H

    Honeywell ST799 keeps turning off

    Hi, Thanks for providing this info. Please could you offer an opinion on the following. I have an ST699 programmer which is probably about 25 years old now and is still working well. It has a brown backplate so may well have the original varta type block cell which can be easily removed for...
Back
Top