Boilers & Hot Water Tanks

541 topics in this forum

1. Load compensation vs Weather compensation (Viessman Vitodens related but general question)

   By mrklawuk, October 25, 2022
   • 5 replies
   • 3k views
   • 
   • Adsibob
   • February 1

2. Do universal roof boiler flue kits exist - suitable for fitting to any brand of boiler?

   By Wuey, January 29
   • 3 replies
   • 605 views
   • 
   • SimonD
   • January 30

3. PT100 cylinder probe wireless connection

   By JohnMo, November 17, 2023
   • 9 replies
   • 1.1k views
   • 
   • ProDave
   • January 28

4. Rough cost oil boiler replacement

   By jfb, January 27
   • 1 reply
   • 489 views
   • 
   • Temp
   • January 27

5. What model is this oil pump - have a guess

   By cwr, January 25
   • 9 replies
   • 947 views
   • 
   • dpmiller
   • January 27

6. Combi and unvented cylinder

   By nikbower, January 19
   • 15 replies
   • 1.7k views
   • 
   • nikbower
   • January 25

7. intermittent F75 on vaillant ecotec 831

   By dscoll, January 10   

   • vaillant
   • boiler fault
   • 13 replies
   • 1.2k views
   • 
   • marshian
   • January 24

8. Reducing effective volume of inaccessible DHW pipework

   By JamesPa, January 23
   • 1 reply
   • 414 views
   • 
   • marshian
   • January 24

9. ASHP, buffer & storage tanks

   By MattT2, January 20
   • 7 replies
   • 1.2k views
   • 
   • MattT2
   • January 21

10. Air source heat pump pressurized hot water installation

    By Cyberfruits, January 13
    • 0 replies
    • 399 views
    • 
    • Cyberfruits
    • January 13

11. Vaillant ecoTec Plus 630 boiler not reaching target temp

    By windsor-tg, January 8
    • 21 replies
    • 8.5k views
    • 
    • JohnMo
    • January 12

12. Recommend a system boiler & control

    By dreadpirate57, January 11
    • 4 replies
    • 719 views
    • 
    • marshian
    • January 11

13. Viesmann vit 100

    By dave1967, January 1
    • 18 replies
    • 938 views
    • 
    • dave1967
    • January 9

14. Can’t change flow temperature on glowworm energy c30

    By johnhenstock83, January 2
    • 3 replies
    • 3.4k views
    • 
    • marshian
    • January 5

15. Flickering pressure gauge

    By Rob W, January 2
    • 4 replies
    • 1.2k views
    • 
    • ProDave
    • January 3

16. Heat pumps and showers

    By Nic, December 31, 2023
    • 10 replies
    • 1.3k views
    • 
    • JohnMo
    • January 1

17. Heat Pump water cylinders?

    By Crofter, December 29, 2023
    • 8 replies
    • 711 views
    • 
    • Crofter
    • December 31, 2023

18. Leaking Condensate Pipe

    By steveoelliott, December 18, 2023
    • 1 reply
    • 641 views
    • 
    • steveoelliott
    • December 19, 2023

19. Looking for advice with new heating options

    By mbchfcw4, November 27, 2023
    • 5 replies
    • 941 views
    • 
    • SteamyTea
    • November 28, 2023

20. Help Programing Grant

    By Marvin91, November 26, 2023
    • 4 replies
    • 712 views
    • 
    • Marvin91
    • November 27, 2023

21. UVC install

    By JohnMo, October 26, 2023   

    • ashp and uvc
    • 17 replies
    • 1.6k views
    • 
    • JohnMo
    • November 23, 2023

22. Buffer tank on heat pump - element not heating

    By townlema, November 15, 2023
    • 4 replies
    • 780 views
    • 
    • Temp
    • November 17, 2023

23. ASHP weather compensation on or off?

    By Johnbhoy80, November 16, 2023
    • 3 replies
    • 788 views
    • 
    • JohnMo
    • November 17, 2023

24. Samsung ASHP DHW settings

    By Johnbhoy80, November 15, 2023
    • 7 replies
    • 1.8k views
    • 
    • Johnbhoy80
    • November 15, 2023

25. Legionella and Immersion on or off?

    By Johnbhoy80, November 10, 2023
    • 8 replies
    • 1.1k views
    • 
    • Wil
    • November 11, 2023