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Boilers & Hot Water Tanks

583 topics in this forum

  1. Secondary Return Connection

    By Caddy,
    • 1 reply
    • 694 views

  2. Heating controller and thermostat change 1 2 3

    By James94,
    • 53 replies
    • 4.6k views

  3. How important is combi boiler flow rate?

    By JPeck,
    • 7 replies
    • 1.6k views

  4. Difficulties in reducing the flow temperature of a condensing gas boiler

    By Radian,
    • 10 replies
    • 4.3k views

  5. DHW and ASHP

    By Nic,
    • 4 replies
    • 850 views
    • Nic
    • Nic

  6. G3 certificate for Direct Unvented Cylinder other than Gas Safe

    By severnside,
    • 3 replies
    • 2k views

  7. Are Vaillant controls worth the investment?

    By windsor-tg,
    • 3 replies
    • 1.4k views

  8. Position of UVC expansion vessel?

    By lakelandfolk,
    • 5 replies
    • 3.4k views

  9. Heat pump ready unvented cylinder?

    By jayc89,
    • 1 reply
    • 933 views

  10. UVC training

    By JohnMo,
    • 11 replies
    • 1.3k views

  11. How does my boiler know when my rooms are heated to 20C?

    By vagrantly3893,
    • 12 replies
    • 1.9k views

  12. Log burning 'Back Boiler' using a secondary HW tank

    By Rafiki,   
    • 1 reply
    • 1.2k views

  13. 'Packaged' UVC, larger than 200l?

    By Post and beam,
    • 10 replies
    • 1.4k views

  14. When do G3 regulations apply? Buffer tanks?

    By OldSpot,
    • 16 replies
    • 2.8k views

  15. Plate loading or coil UVC for heat pump

    By JohnMo,   
    • 11 replies
    • 2k views

  16. UVC pressure reducing valve

    By JohnMo,   
    • 2 replies
    • 1.1k views

  17. Horizontal cylinder in a 'cold' loft. Bad idea?

    By Post and beam,
    • 20 replies
    • 2.8k views

  18. Gas heat recovery

    By anonymous,
    • 5 replies
    • 1k views

  19. Plumber put together a thing … and I have concerns 1 2

    By mjsx,
    • 27 replies
    • 3.3k views

  20. Advise Fitting new Combi Boiler

    By Richini,
    • 7 replies
    • 1.4k views

  21. Accumulator (mains booster) vessels - Same nominal volume, huge size difference.

    By puntloos,
    • 2 replies
    • 889 views

  22. Horizontal cylinder in the loft, good idea?

    By Post and beam,
    • 5 replies
    • 1.4k views

  23. Hot water for outbuilding next to house - under ground from UVC or electric?

    By Navron,
    • 3 replies
    • 2.9k views

  24. Can I turn the water off from my tank cupboard

    By Roz,
    • 3 replies
    • 1.2k views

  25. Small water heater discharge point termination (post tundish)

    By Stones,
    • 6 replies
    • 1.6k views
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