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Boilers & Hot Water Tanks

622 topics in this forum

  1. combi boiler recommendations for 30c flow rate and 3500watt heating load

    By gravelrash,
    • 17 replies
    • 2.7k views

  2. Tesla “smart” immersion heater 1 2

    By Gav_P,
    • 42 replies
    • 10.7k views

  3. Air source problems

    By tommy12398,
    • 1 reply
    • 960 views

  4. Combi boiler and unvented HW Cylinder

    By Edward,
    • 9 replies
    • 4k views

  5. Cold Temperatures Before Central Heating

    By MortarThePoint,
    • 2 replies
    • 936 views

  6. Wiring in a Honeywell L641B Pipe stat

    By Steve1309,
    • 3 replies
    • 2k views

  7. Boiler Condensing Y/N?

    By Fly100,
    • 6 replies
    • 2.3k views

  8. Boiler broken, new build around the corner. What to do?

    By Goodremy,
    • 17 replies
    • 2.9k views

  9. Can someone check this wiring arrangment

    By magunn,
    • 0 replies
    • 830 views

  10. Boiler seems to be ignoring controller

    By magunn,
    • 4 replies
    • 1.5k views

  11. Heating System Critique

    By tuftythesquirrel,
    • 5 replies
    • 1.2k views

  12. Does this just pull out from under the boiler?

    By Radian,
    • 2 replies
    • 885 views

  13. Slow pressure loss in new boiler

    By Adsibob,
    • 13 replies
    • 3.1k views

  14. Digital thermostat for UVC

    By Adsibob,
    • 11 replies
    • 1.8k views

  15. LLH/Small Buffer - Pumping direction

    By ian192744,
    • 6 replies
    • 2.3k views

  16. Combining Seperate ASHP and Oil Boiler

    By ChrisDL,
    • 3 replies
    • 1.7k views

  17. Hot Water Cylinder Discharge On Soil Stack (Passive House)

    By tuftythesquirrel,
    • 18 replies
    • 8.4k views

  18. Plumbing UVC with Condensing Boiler, How to.... 1 2

    By Gone West,
    • 26 replies
    • 3.5k views

  19. Thermal store thermostat advice

    By magunn,
    • 6 replies
    • 2.8k views

  20. Condensing Temps for Oil Boiler

    By Fly100,
    • 1 reply
    • 840 views

  21. Heating Controls - options

    By mike2016,
    • 17 replies
    • 2.4k views

  22. Cointra CPA11 open flue water heater and wind

    By Jenki,
    • 1 reply
    • 975 views

  23. Solar PV and Gas Bolier

    By Kustom,
    • 20 replies
    • 3.3k views

  24. Sizing a combi boiler to avoid on-off cycling

    By LnP,
    • 2 replies
    • 1.3k views

  25. Heating System component question - what is this?

    By mike2016,
    • 3 replies
    • 891 views
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