Boilers & Hot Water Tanks

605 topics in this forum

1. Expansion Vessel losing pressure... but where from?

   By MJNewton, February 8
   • 19 replies
   • 2.1k views
   • 
   • MJNewton
   • March 2

2. Vaillant EcoTec Plus 630 dT 1 2

   By John Carroll, November 7, 2024
   • 30 replies
   • 4.3k views
   • 
   • John Carroll
   • March 1

3. Combi dilemma! 1 2 3 4 5

   By DamonHD, September 9, 2022
   • 103 replies
   • 15.9k views
   • 
   • DamonHD
   • February 22

4. CH venting into header 1 2 3 4 5

   By Peaklander, December 28, 2024
   • 104 replies
   • 11.2k views
   • 
   • Peaklander
   • February 20

5. Outcome of Level 3 Survey

   By DevilDamo, February 15
   • 14 replies
   • 1.3k views
   • 
   • DevilDamo
   • February 18

6. Grant Vortex oil boiler sensor replacement

   By Kuro507, February 18
   • 1 reply
   • 691 views
   • 
   • ProDave
   • February 18

7. What size boiler would you recommend.

   By tommyleestaples, February 10
   • 6 replies
   • 1.1k views
   • 
   • marshian
   • February 11

8. Boilers on Opentherm

   By JohnMo, January 6   

   • boiler
   • opentherm
   • 15 replies
   • 5.4k views
   • 
   • joth
   • February 11

9. Heating Soaking Tub - Hot Water Tank or Inline heater?

   By mike2016, February 5
   • 12 replies
   • 1.4k views
   • 
   • Alan Ambrose
   • February 8

10. Hot water tank with built in Air source heat pump and a separate feed to a stove. Does such a thing exist?

    By K44, February 4
    • 5 replies
    • 894 views
    • 
    • SteamyTea
    • February 5

11. Boiler size confusion

    By deuce22, February 2
    • 15 replies
    • 1.3k views
    • 
    • JohnMo
    • February 3

12. Cheap way to prevent boiler cycling

    By Crunchynut, July 22, 2023
    • 16 replies
    • 4.1k views
    • 
    • Crunchynut
    • January 31

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

    By CurvedHalo, January 27
    • 4 replies
    • 1.1k views
    • 
    • Nickfromwales
    • January 27

14. Daikin Altherma not working.

    By Canski, January 11
    • 3 replies
    • 933 views
    • 
    • Canski
    • January 18

15. DHW Tank for Hard Water

    By Gaf, January 10
    • 7 replies
    • 950 views
    • 
    • MJNewton
    • January 13

16. Boiler Blues

    By Jilly, January 13
    • 2 replies
    • 585 views
    • 
    • Jilly
    • January 13

17. Vaillant Ecotec plus 630 system boiler efficiency on controller

    By j_s, January 5
    • 21 replies
    • 3.1k views
    • 
    • John Carroll
    • January 7

18. Height of Vent Pipe above Cold Water Storage Cistern

    By John Carroll, January 5
    • 0 replies
    • 1.2k views
    • 
    • John Carroll
    • January 5

19. Swapping from UVC to Combi

    By steveoelliott, January 3
    • 10 replies
    • 1k views
    • 
    • steveoelliott
    • January 5

20. Riello G5X Burner and 530SE Control Box

    By John Carroll, January 1
    • 0 replies
    • 612 views
    • 
    • John Carroll
    • January 1

21. Boiler thermostat replacement

    By BobRK, December 30, 2024
    • 2 replies
    • 970 views
    • 
    • marshian
    • December 30, 2024

22. Convert Viessmann combi to PDHW with unvented cylinder

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

23. Gas Boiler Flow and Return Pipes In Copper?

    By tuftythesquirrel, September 17, 2024
    • 5 replies
    • 1.7k views
    • 
    • marshian
    • December 28, 2024

24. Help! Boiler packed up

    By Adsibob, December 19, 2024
    • 21 replies
    • 1.7k views
    • 
    • Lofty718
    • December 28, 2024

25. Boiling and banging pipes

    By saveasteading, December 27, 2024
    • 10 replies
    • 1.1k views
    • 
    • saveasteading
    • December 27, 2024