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Boilers & Hot Water Tanks

535 topics in this forum

  1. Smokin' boiler

    By cwr,
    • 10 replies
    • 711 views

  2. What can go wrong with an immersion water heating system?

    By LeanTwo,   
    • 13 replies
    • 1.4k views

  3. Recommendations for Heating/Hot water design in ICF build

    By Meabh,
    • 16 replies
    • 1.4k views

  4. Power Flushing A Modern Gas Boiler System

    By Onoff,
    • 5 replies
    • 664 views

  5. What size boiler do I need !?

    By WillM,
    • 23 replies
    • 1.4k views

  6. Vaillant VR33 Module for OpenTherm Support

    By Rehan Saeed,
    • 2 replies
    • 5k views

  7. UVC in basement plant room but no drainage for overflow 1 2 3

    By Thorfun,
    • 56 replies
    • 2.8k views

  8. How to find modulation ratios?

    By jayc89,
    • 9 replies
    • 972 views

  9. UFH with 3 manifolds cools hw cylinder

    By rk05,
    • 18 replies
    • 1.2k views

  10. 3 port motorised valve should move 90 degrees or 180 degrees?

    By me123,
    • 4 replies
    • 848 views

  11. Buffer tank required?

    By DCG,
    • 3 replies
    • 660 views

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

    By gravelrash,
    • 17 replies
    • 1.2k views

  13. Tesla “smart” immersion heater 1 2

    By Gav_P,
    • 42 replies
    • 5.3k views

  14. Air source problems

    By tommy12398,
    • 1 reply
    • 440 views

  15. Combi boiler and unvented HW Cylinder

    By Edward,
    • 9 replies
    • 1.8k views

  16. Cold Temperatures Before Central Heating

    By MortarThePoint,
    • 2 replies
    • 459 views

  17. Wiring in a Honeywell L641B Pipe stat

    By Steve1309,
    • 3 replies
    • 1.2k views

  18. Boiler Condensing Y/N?

    By Fly100,
    • 6 replies
    • 909 views

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

    By Goodremy,
    • 17 replies
    • 1.2k views

  20. Can someone check this wiring arrangment

    By magunn,
    • 0 replies
    • 457 views

  21. Boiler seems to be ignoring controller

    By magunn,
    • 4 replies
    • 740 views

  22. Heating System Critique

    By tuftythesquirrel,
    • 5 replies
    • 674 views

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

    By Radian,
    • 2 replies
    • 492 views

  24. Slow pressure loss in new boiler

    By Adsibob,
    • 13 replies
    • 1.2k views

  25. Digital thermostat for UVC

    By Adsibob,
    • 11 replies
    • 789 views
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