Boilers & Hot Water Tanks

620 topics in this forum

1. Air source problems

   By tommy12398, December 17, 2022
   • 1 reply
   • 895 views
   • 
   • JohnMo
   • December 17, 2022

2. Combi boiler and unvented HW Cylinder

   By Edward, December 12, 2022
   • 9 replies
   • 3.7k views
   • 
   • ProDave
   • December 14, 2022

3. Cold Temperatures Before Central Heating

   By MortarThePoint, December 11, 2022
   • 2 replies
   • 788 views
   • 
   • MortarThePoint
   • December 11, 2022

4. Wiring in a Honeywell L641B Pipe stat

   By Steve1309, December 9, 2022
   • 3 replies
   • 1.9k views
   • 
   • Steve1309
   • December 9, 2022

5. Boiler Condensing Y/N?

   By Fly100, December 6, 2022
   • 6 replies
   • 2.1k views
   • 
   • JohnMo
   • December 7, 2022

6. Boiler broken, new build around the corner. What to do?

   By Goodremy, December 5, 2022
   • 17 replies
   • 2.6k views
   • 
   • ProDave
   • December 7, 2022

7. Can someone check this wiring arrangment

   By magunn, December 6, 2022
   • 0 replies
   • 741 views
   • 
   • magunn
   • December 6, 2022

8. Boiler seems to be ignoring controller

   By magunn, December 2, 2022
   • 4 replies
   • 1.3k views
   • 
   • ProDave
   • December 5, 2022

9. Heating System Critique

   By tuftythesquirrel, December 4, 2022
   • 5 replies
   • 1.1k views
   • 
   • JohnMo
   • December 4, 2022

10. Does this just pull out from under the boiler?

    By Radian, December 3, 2022
    • 2 replies
    • 796 views
    • 
    • TonyT
    • December 3, 2022

11. Slow pressure loss in new boiler

    By Adsibob, August 9, 2022
    • 13 replies
    • 2.8k views
    • 
    • Bonner
    • December 2, 2022

12. Digital thermostat for UVC

    By Adsibob, November 29, 2022
    • 11 replies
    • 1.6k views
    • 
    • PeterW
    • November 30, 2022

13. LLH/Small Buffer - Pumping direction

    By ian192744, November 29, 2022
    • 6 replies
    • 2.1k views
    • 
    • ian192744
    • November 30, 2022

14. Combining Seperate ASHP and Oil Boiler

    By ChrisDL, November 27, 2022
    • 3 replies
    • 1.5k views
    • 
    • ChrisDL
    • November 28, 2022

15. Hot Water Cylinder Discharge On Soil Stack (Passive House)

    By tuftythesquirrel, November 25, 2022
    • 18 replies
    • 7.9k views
    • 
    • PeterW
    • November 27, 2022

16. Plumbing UVC with Condensing Boiler, How to.... 1 2

    By Gone West, November 5, 2022
    • 26 replies
    • 3.1k views
    • 
    • Nickfromwales
    • November 27, 2022

17. Thermal store thermostat advice

    By magunn, November 25, 2022
    • 6 replies
    • 2.7k views
    • 
    • magunn
    • November 26, 2022

18. Condensing Temps for Oil Boiler

    By Fly100, November 25, 2022
    • 1 reply
    • 745 views
    • 
    • JohnMo
    • November 25, 2022

19. Heating Controls - options

    By mike2016, November 18, 2022
    • 17 replies
    • 2.2k views
    • 
    • Radian
    • November 20, 2022

20. Cointra CPA11 open flue water heater and wind

    By Jenki, November 20, 2022
    • 1 reply
    • 893 views
    • 
    • ProDave
    • November 20, 2022

21. Solar PV and Gas Bolier

    By Kustom, November 16, 2022
    • 20 replies
    • 3k views
    • 
    • Marvin
    • November 19, 2022

22. Sizing a combi boiler to avoid on-off cycling

    By LnP, October 5, 2022
    • 2 replies
    • 1.3k views
    • 
    • JohnMo
    • November 16, 2022

23. Heating System component question - what is this?

    By mike2016, November 16, 2022
    • 3 replies
    • 800 views
    • 
    • Radian
    • November 16, 2022

24. Rate the pre plumbed cylinder install!

    By jfb, November 2, 2022
    • 9 replies
    • 2k views
    • 
    • markocosic
    • November 12, 2022

25. Tank thermostat for vented cylinder

    By Xerxes991, November 6, 2022
    • 12 replies
    • 3.1k views
    • 
    • Xerxes991
    • November 7, 2022