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Boilers & Hot Water Tanks

578 topics in this forum

  1. Looks too good to be true... Looking for recommendations on ASHP size.

    By ChrisDL,   
    • 19 replies
    • 2.2k views

  2. Boiler & PV Which System is Optimal

    By Richini,
    • 3 replies
    • 697 views

  3. Can pre-warming water from a heat battery reduce the need for a higher kw boiler? 1 2

    By Pete lea,
    • 28 replies
    • 2.7k views

  4. Move or replace a boiler?

    By Crowbar hero,
    • 5 replies
    • 773 views

  5. HW / Boiler Assistance

    By Ando,
    • 6 replies
    • 792 views

  6. What is considered to be short cycling

    By Johnnyt,
    • 18 replies
    • 1.5k views

  7. To insulate or not

    By WWilts,
    • 10 replies
    • 1.4k views

  8. Hot water question 1 2

    By Barryscotland,
    • 36 replies
    • 3.2k views

  9. DHW, Gas boiler - cylinder or combi

    By JohnMo,   
    • 16 replies
    • 1.5k views

  10. ASHP vs Gas Boiler - crunching the numbers

    By Indy,
    • 23 replies
    • 2.6k views

  11. What is this and does it matter if I cover it in insulation?

    By Adsibob,
    • 2 replies
    • 629 views

  12. Heatrae Sadia Megaflo 300L Unvented indirect solar cylinder

    By Jenki,   
    • 5 replies
    • 1.5k views

  13. Valiant Ecotech Plus 637 - Error F76

    By steveoelliott,
    • 12 replies
    • 1.7k views

  14. Inter seasonal store 1 2

    By JohnMo,
    • 30 replies
    • 2k views

  15. Heating & hot water for temporary accommodation 1 2

    By SuesieG,   
    • 26 replies
    • 2.7k views

  16. DHW vented tank thermosyphon

    By RobLe,
    • 2 replies
    • 789 views

  17. Pressure drops over a week in gauge connected to red expansion vessel from 0.8 to 0.7 bar

    By Question,
    • 15 replies
    • 1.2k views

  18. Fire valve for external boiler

    By cwr,
    • 3 replies
    • 1k views

  19. Which Hot Water cylinder for Pellet Boiler

    By Tetrarch,
    • 5 replies
    • 1.1k views

  20. Storage combi or UVC choices for new build 1 2

    By ruggers,
    • 35 replies
    • 3.2k views

  21. Back to a vented DHW tank?

    By Deejay_2,
    • 5 replies
    • 928 views

  22. Gas supply vs smart gas meter

    By JohnBishop,
    • 10 replies
    • 1.3k views

  23. Immersion heater less than 3kW?

    By Radian,
    • 22 replies
    • 2.2k views

  24. ASHP 24/7 or not.

    By Ballynoes,
    • 12 replies
    • 2.9k views

  25. Why might my hot water tank not be working?

    By jamieled,
    • 21 replies
    • 2.3k views
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