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Boilers & Hot Water Tanks

555 topics in this forum

  1. Solar PV but no immersion heater - dual tank options

    By Chris X,
    • 7 replies
    • 967 views

  2. Direct UVC Question - Stats?!

    By catrionag,
    • 0 replies
    • 737 views

  3. Advice needed regarding weather comp for Vaillant 637

    By V1ks,
    • 5 replies
    • 1.6k views

  4. Changing to combi boiler

    By Pollyanna,
    • 9 replies
    • 1k views

  5. Installing an unvented cylinder on a building control notice?

    By flanagaj,
    • 1 reply
    • 629 views

  6. Viessmann Vitodens 200-w - initial impressions 1 2 3

    By larry,
    • 53 replies
    • 17.8k views

  7. Any Vaillant boiler experts here?

    By PiMike,
    • 9 replies
    • 1.5k views

  8. What's the consensus on legionella and dhw storage temps

    By SimonD,
    • 24 replies
    • 3k views

  9. Most efficient timetable for heating a unvented HWC

    By Adsibob,
    • 24 replies
    • 5.3k views

  10. Do I need a buffer tank

    By James94,
    • 9 replies
    • 1.4k views

  11. RED Heat Pump User Discussion

    By BHAlloy,   
    • 1 reply
    • 946 views

  12. Best resource to understand sizes of boiler/water tanks

    By Meabh,
    • 5 replies
    • 571 views

  13. Boiler on timer rather than on thermostat

    By JohnBishop,
    • 7 replies
    • 1k views

  14. Can one paint a red expansion vessel white?

    By Question,
    • 12 replies
    • 1.2k views

  15. DHW systems - thoughts? 1 2

    By Gill,
    • 49 replies
    • 3k views

  16. G3 compliance certificate

    By jfb,
    • 6 replies
    • 1.7k views

  17. Leaking boiler left to deal with it myself

    By Niall Patrick,
    • 15 replies
    • 1.3k views

  18. Why would a Viessmann boiler be commissioned with continuous operation mode?

    By Adsibob,
    • 17 replies
    • 2.2k views

  19. Is my Vaillant ecoTEC working properly? 1 2 3

    By PiMike,
    • 74 replies
    • 6.8k views

  20. Choosing DHW system for a new build passive house (with PV and direct electric space heating) 1 2 3

    By AdamfromReigate,
    • 60 replies
    • 5.3k views

  21. most efficient HW setup ? 1 2 3

    By Dave Jones,
    • 66 replies
    • 4.5k views

  22. High boiler modulation after pressure loss

    By Adsibob,   
    • 18 replies
    • 1.6k views

  23. Vaillant uniSTOR HP circuit stat hysteresis issue

    By drcarrera,
    • 0 replies
    • 727 views

  24. LPG Detectors

    By ringpull,
    • 3 replies
    • 765 views

  25. To power flush or not?

    By Ambergold,
    • 5 replies
    • 965 views
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