Boilers & Hot Water Tanks

535 topics in this forum

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

   By Roz, July 11, 2023
   • 3 replies
   • 866 views
   • 
   • Roz
   • July 12, 2023

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

   By Stones, July 1, 2023
   • 6 replies
   • 1.1k views
   • 
   • Stones
   • July 2, 2023

3. Vitodens 100-W and EM-P1 module to control hot water recirculation pump

   By mjsx, June 22, 2023
   • 0 replies
   • 639 views
   • 
   • mjsx
   • June 22, 2023

4. Is this a normal heat loss graph from an UVC?

   By Thorfun, June 13, 2023
   • 10 replies
   • 1.1k views
   • 
   • SteamyTea
   • June 13, 2023

5. Sunamp sizing

   By gregh, June 10, 2023
   • 6 replies
   • 809 views
   • 
   • gregh
   • June 10, 2023

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

   By Chris X, May 22, 2023
   • 7 replies
   • 900 views
   • 
   • Chris X
   • May 23, 2023

7. Direct UVC Question - Stats?!

   By catrionag, May 17, 2023
   • 0 replies
   • 717 views
   • 
   • catrionag
   • May 17, 2023

8. Advice needed regarding weather comp for Vaillant 637

   By V1ks, May 10, 2023
   • 5 replies
   • 1.4k views
   • 
   • V1ks
   • May 16, 2023

9. Changing to combi boiler

   By Pollyanna, May 14, 2023
   • 9 replies
   • 919 views
   • 
   • TonyT
   • May 14, 2023

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

    By flanagaj, May 4, 2023
    • 1 reply
    • 599 views
    • 
    • JohnMo
    • May 4, 2023

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

    By larry, February 21, 2021
    • 53 replies
    • 16.8k views
    • 
    • larry
    • May 4, 2023

12. Any Vaillant boiler experts here?

    By PiMike, April 27, 2023
    • 9 replies
    • 1.2k views
    • 
    • PiMike
    • April 30, 2023

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

    By SimonD, October 23, 2022
    • 24 replies
    • 2.6k views
    • 
    • markocosic
    • April 27, 2023

14. Most efficient timetable for heating a unvented HWC

    By Adsibob, April 17, 2023
    • 24 replies
    • 4.5k views
    • 
    • SteamyTea
    • April 19, 2023

15. Do I need a buffer tank

    By James94, May 13, 2022
    • 9 replies
    • 1.3k views
    • 
    • James94
    • April 18, 2023

16. RED Heat Pump User Discussion

    By BHAlloy, January 12, 2023   

    • red
    • heat pump
    • (and 2 more)

      Tagged with:

      • red
      • heat pump
      • renewable energy devices
      • heatstream
    • 1 reply
    • 912 views
    • 
    • Ali Quarg
    • April 18, 2023

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

    By Meabh, April 17, 2023
    • 5 replies
    • 552 views
    • 
    • JohnMo
    • April 17, 2023

18. Boiler on timer rather than on thermostat

    By JohnBishop, April 3, 2023
    • 7 replies
    • 975 views
    • 
    • Nickfromwales
    • April 16, 2023

19. Can one paint a red expansion vessel white?

    By Question, April 11, 2023
    • 12 replies
    • 1k views
    • 
    • JohnMo
    • April 12, 2023

20. DHW systems - thoughts? 1 2

    By Gill, April 5, 2023
    • 49 replies
    • 2.7k views
    • 
    • Iceverge
    • April 9, 2023

21. G3 compliance certificate

    By jfb, April 4, 2023
    • 6 replies
    • 1.5k views
    • 
    • PeterW
    • April 5, 2023

22. Leaking boiler left to deal with it myself

    By Niall Patrick, March 28, 2023
    • 15 replies
    • 1.2k views
    • 
    • Niall Patrick
    • March 31, 2023

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

    By Adsibob, March 26, 2023
    • 17 replies
    • 1.9k views
    • 
    • Nickfromwales
    • March 28, 2023

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

    By PiMike, March 13, 2023
    • 74 replies
    • 6k views
    • 
    • PiMike
    • March 27, 2023

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

    By AdamfromReigate, March 5, 2023
    • 60 replies
    • 4.8k views
    • 
    • markocosic
    • March 21, 2023