Recent content by Dorr69

  1. Dorr69

    air entering the system gravity fed oil boiler

    The fire valve was installed two years ago with the new boiler It didn’t have one before It’s a firebird 90 boiler I think The HW tank looks very old I’ve just fitted a nest thermostat onto it for better controls and it’s wkrking great But I think I it needs seriously updated with an s...
  2. Dorr69

    air entering the system gravity fed oil boiler

    I really couldn’t tell you As I said it’s an old set up but a new boiler two years ago which was fitted and plunged like for like No tank stat no zone valve
  3. Dorr69

    air entering the system gravity fed oil boiler

    Pump incorrectly installed in what way ? I’ve turned the speed down to two If I turn it to one will the water be hotter at the rads ?
  4. Dorr69

    air entering the system gravity fed oil boiler

    Thank you I’ll take some pics when I get home later
  5. Dorr69

    air entering the system gravity fed oil boiler

    Thank you gas guru In the meantime do you think I should put some cleaner through the system and flush the remove and flush the rads ?
  6. Dorr69

    air entering the system gravity fed oil boiler

    Hi I have a pretty old heating system though the boiler is only 2 years old after replacing the old 25 year old one It has a hot water tank and a header tank above it in the loft I’ve always had problems with the system being noisy on the first two rads to the extent I can’t turn my son’s...
  7. Dorr69

    Soffit down lights ... led or mains?

    Thank you both I thought some come in low voltage with a transformer My mistake
  8. Dorr69

    Wiring from nest thermostat to heatlink

    Muggles thank you I’ll look into it
  9. Dorr69

    Soffit down lights ... led or mains?

    Hi I’m considering having a few down lights fitted on my bungalow, mainly the corners and 2-3 inbetween I’ll be having them on two circuits so that just the corner ones light or all on together Is led the best option? And more energy efficient? Would 240v ones with led bulbs in be less...
  10. Dorr69

    Wiring from nest thermostat to heatlink

    I’ve seen on YouTube some people using bell wire or speaker wire to wire inbetween the next thermostat and heat link. Is this efficient enough? I suppose when you think about it the wiring using the usb option are very thin
  11. Dorr69

    Nest learning thermostat gen 3 query

    Thanks for your reply Eric I’ll have a look tonight at the back of the timer but I’d say it’ll be on g for gravity. As far as I can make out it for either hw or ch it turns the boiler on and for hw only it emits the pump The old boiler and set up is way over 25-30 years old. I think I’ll get...
  12. Dorr69

    Oil fired boiler query

    Thank you Stem You have been very helpful I’m definitely going to get it uprated to a s plan system so I can have much more control ability of the system especially the hot water side if it I think the system is a vented style with a header tank in the loft. But I think you are possibly...
  13. Dorr69

    Oil fired boiler query

    Thank you Stem for your reply I’ve been told the system I have is a c plan system with out the tank stat or zone valve. The original system has been in since the 70’s so a bit out of date. So the hw side works by the boiler being on but pump off, so does the boiler have some type of internal...
  14. Dorr69

    Nest learning thermostat gen 3 query

    My controller is a Drayton LP522 Two wires in, L&N and two red wires on terminals 3&4 That’s it. Before the thermostat was wired in that was the only way to control the boiler. How ever I have noticed that when the ch is selected on the controller, the pump is on wether the thermostat is...
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