Boilers & Hot Water Tanks

588 topics in this forum

1. Advise Fitting new Combi Boiler

   By Richini, August 3, 2023
   • 7 replies
   • 1.5k views
   • 
   • TonyT
   • August 4, 2023

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

   By puntloos, July 21, 2023
   • 2 replies
   • 920 views
   • 
   • puntloos
   • July 21, 2023

3. Horizontal cylinder in the loft, good idea?

   By Post and beam, July 12, 2023
   • 5 replies
   • 1.5k views
   • 
   • Iceverge
   • July 18, 2023

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

   By Navron, May 31, 2023
   • 3 replies
   • 3.1k views
   • 
   • Navron
   • July 15, 2023

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

   By Roz, July 11, 2023
   • 3 replies
   • 1.3k views
   • 
   • Roz
   • July 12, 2023

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

   By Stones, July 1, 2023
   • 6 replies
   • 1.7k views
   • 
   • Stones
   • July 2, 2023

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

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

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

   By Thorfun, June 13, 2023
   • 10 replies
   • 1.6k views
   • 
   • SteamyTea
   • June 13, 2023

9. Sunamp sizing

   By gregh, June 10, 2023
   • 6 replies
   • 1.2k views
   • 
   • gregh
   • June 10, 2023

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

    By Chris X, May 22, 2023
    • 7 replies
    • 1.2k views
    • 
    • Chris X
    • May 23, 2023

11. Direct UVC Question - Stats?!

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

12. Advice needed regarding weather comp for Vaillant 637

    By V1ks, May 10, 2023
    • 5 replies
    • 2.1k views
    • 
    • V1ks
    • May 16, 2023

13. Changing to combi boiler

    By Pollyanna, May 14, 2023
    • 9 replies
    • 1.4k views
    • 
    • TonyT
    • May 14, 2023

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

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

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

    By larry, February 21, 2021
    • 53 replies
    • 21.8k views
    • 
    • larry
    • May 4, 2023

16. Any Vaillant boiler experts here?

    By PiMike, April 27, 2023
    • 9 replies
    • 2k views
    • 
    • PiMike
    • April 30, 2023

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

    By SimonD, October 23, 2022
    • 24 replies
    • 4.7k views
    • 
    • markocosic
    • April 27, 2023

18. Most efficient timetable for heating a unvented HWC

    By Adsibob, April 17, 2023
    • 24 replies
    • 7.9k views
    • 
    • SteamyTea
    • April 19, 2023

19. Do I need a buffer tank

    By James94, May 13, 2022
    • 9 replies
    • 1.8k views
    • 
    • James94
    • April 18, 2023

20. 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
    • 1.1k views
    • 
    • Ali Quarg
    • April 18, 2023

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

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

22. Boiler on timer rather than on thermostat

    By JohnBishop, April 3, 2023
    • 7 replies
    • 1.4k views
    • 
    • Nickfromwales
    • April 16, 2023

23. Can one paint a red expansion vessel white?

    By Question, April 11, 2023
    • 12 replies
    • 1.7k views
    • 
    • JohnMo
    • April 12, 2023

24. DHW systems - thoughts? 1 2

    By Gill, April 5, 2023
    • 49 replies
    • 4.2k views
    • 
    • Iceverge
    • April 9, 2023

25. G3 compliance certificate

    By jfb, April 4, 2023
    • 6 replies
    • 2.7k views
    • 
    • PeterW
    • April 5, 2023