Boilers & Hot Water Tanks

620 topics in this forum

1. Boiler size confusion

   By deuce22, February 2, 2025
   • 15 replies
   • 1.7k views
   • 
   • JohnMo
   • February 3, 2025

2. Cheap way to prevent boiler cycling

   By Crunchynut, July 22, 2023
   • 16 replies
   • 4.6k views
   • 
   • Crunchynut
   • January 31, 2025

3. Tank-in-tank for Air Source Heat Pump

   By CurvedHalo, January 27, 2025
   • 4 replies
   • 1.3k views
   • 
   • Nickfromwales
   • January 27, 2025

4. Daikin Altherma not working.

   By Canski, January 11, 2025
   • 3 replies
   • 1.1k views
   • 
   • Canski
   • January 18, 2025

5. DHW Tank for Hard Water

   By Gaf, January 10, 2025
   • 7 replies
   • 1.3k views
   • 
   • MJNewton
   • January 13, 2025

6. Boiler Blues

   By Jilly, January 13, 2025
   • 2 replies
   • 701 views
   • 
   • Jilly
   • January 13, 2025

7. Vaillant Ecotec plus 630 system boiler efficiency on controller

   By j_s, January 5, 2025
   • 21 replies
   • 3.9k views
   • 
   • John Carroll
   • January 7, 2025

8. Height of Vent Pipe above Cold Water Storage Cistern

   By John Carroll, January 5, 2025
   • 0 replies
   • 1.4k views
   • 
   • John Carroll
   • January 5, 2025

9. Swapping from UVC to Combi

   By steveoelliott, January 3, 2025
   • 10 replies
   • 1.2k views
   • 
   • steveoelliott
   • January 5, 2025

10. Riello G5X Burner and 530SE Control Box

    By John Carroll, January 1, 2025
    • 0 replies
    • 769 views
    • 
    • John Carroll
    • January 1, 2025

11. Boiler thermostat replacement

    By BobRK, December 30, 2024
    • 2 replies
    • 1.1k views
    • 
    • marshian
    • December 30, 2024

12. Convert Viessmann combi to PDHW with unvented cylinder

    By sonicboom, December 29, 2024
    • 1 reply
    • 780 views
    • 
    • JohnMo
    • December 30, 2024

13. Gas Boiler Flow and Return Pipes In Copper?

    By tuftythesquirrel, September 17, 2024
    • 5 replies
    • 1.9k views
    • 
    • marshian
    • December 28, 2024

14. Help! Boiler packed up

    By Adsibob, December 19, 2024
    • 21 replies
    • 2.3k views
    • 
    • Lofty718
    • December 28, 2024

15. Boiling and banging pipes

    By saveasteading, December 27, 2024
    • 10 replies
    • 1.3k views
    • 
    • saveasteading
    • December 27, 2024

16. Vaillant EcoTec Plus 630 Pump Curve

    By John Carroll, December 21, 2024
    • 0 replies
    • 928 views
    • 
    • John Carroll
    • December 21, 2024

17. Secondary return

    By Johnnyt, December 20, 2024
    • 2 replies
    • 679 views
    • 
    • Andeh
    • December 21, 2024

18. Potable Water Expansion Vessel. It's fooked. Reccomend me a gud'un PLZ:

    By Iceverge, December 16, 2024
    • 12 replies
    • 1.2k views
    • 
    • Nickfromwales
    • December 18, 2024

19. Baxi 400 and smart thermostat

    By Dee, December 11, 2024
    • 2 replies
    • 860 views
    • 
    • ProDave
    • December 11, 2024

20. Dual set temperature for Worcester Greenstar Regular

    By Beelbeebub, December 3, 2024
    • 1 reply
    • 721 views
    • 
    • JohnMo
    • December 3, 2024

21. Leaking boiler

    By ConnorBennett, November 23, 2024
    • 2 replies
    • 1k views
    • 
    • ConnorBennett
    • November 23, 2024

22. Boiler burping noise

    By Decimal50, October 17, 2024
    • 2 replies
    • 1.1k views
    • 
    • SimonD
    • November 1, 2024

23. Time to replace Vaillant EcoTec Pro 24 combi boiler?

    By Adsibob, October 3, 2024
    • 13 replies
    • 4k views
    • 
    • Adsibob
    • October 21, 2024

24. Mixergy and combi boiler integration?

    By bontwoody, August 2, 2022
    • 20 replies
    • 4.3k views
    • 
    • JohnMo
    • October 13, 2024

25. Solar Heated Hot Water Cylinder Heat Loss Overnight

    By BobRK, July 24, 2024
    • 10 replies
    • 1.2k views
    • 
    • scottishjohn
    • October 12, 2024