Boilers & Hot Water Tanks

535 topics in this forum

1. Combi boiler or not?

   By Gilli99, June 12
   • 10 replies
   • 870 views
   • 
   • JohnMo
   • July 17

2. Descaling Unvented Cylinder

   By MJNewton, July 17
   • 12 replies
   • 578 views
   • 
   • marshian
   • July 17

3. Self built hybrid heating and hot water system

   By JohnMo, June 27   

   • hybrid
   • ashp
   • (and 1 more)

     Tagged with:

     • hybrid
     • ashp
     • boilers
   • 11 replies
   • 955 views
   • 
   • marshian
   • July 6

4. Heat pumps are underfloor heating

   By John Hardy, June 28   

   • air source heat pump
   • 10 replies
   • 697 views
   • 
   • John Hardy
   • July 1

5. Two condensing boilers instead of one system boiler? Ridiculous idea or not?

   By DonnaP123, June 13
   • 13 replies
   • 969 views
   • 
   • SimonD
   • June 15

6. Keep old boiler or upgrade for new UFH

   By Warrentdo, June 11
   • 1 reply
   • 407 views
   • 
   • JohnMo
   • June 11

7. plumbing immersion heater with 15mm

   By jpadie, June 10
   • 3 replies
   • 386 views
   • 
   • JohnMo
   • June 10

8. System Boiler with weather comp

   By msmithuk77, May 28
   • 18 replies
   • 992 views
   • 
   • JohnMo
   • June 8

9. Need heating and hot water control suggestion

   By markc, June 4
   • 3 replies
   • 405 views
   • 
   • ProDave
   • June 4

10. Instant hot water for shower room

    By jpadie, May 26
    • 6 replies
    • 614 views
    • 
    • jpadie
    • May 26

11. Heat Pump Water Heater

    By AlexMc, May 19
    • 6 replies
    • 669 views
    • 
    • JohnMo
    • May 20

12. Using a Telford DHW UV Cylinder as a CH 'preheat' Heatstore cylinder ?

    By Jerry32, May 14
    • 6 replies
    • 766 views
    • 
    • JohnMo
    • May 19

13. Repurpose gas combi for hot tub (analysis/shortlist stage)?

    By NIMAN, May 9
    • 17 replies
    • 1.4k views
    • 
    • NIMAN
    • May 17

14. Smart 'stat modulation

    By MarkyG82, April 25
    • 10 replies
    • 854 views
    • 
    • MarkyG82
    • May 15

15. Megaflo Unvented Turn Off When on Holiday?

    By steveoelliott, April 29
    • 2 replies
    • 720 views
    • 
    • SteamyTea
    • April 30

16. Waterhammer?

    By saveasteading, April 20
    • 8 replies
    • 733 views
    • 
    • dpmiller
    • April 23

17. heat geek doesnt work in NI, could I send plans, pics etc to somewhere to get it designed so my plumber could fit it right?

    By CalvinHobbes, April 10
    • 3 replies
    • 853 views
    • 
    • JamesPa
    • April 11

18. Boiler control using the Drayton Wiser and opentherm. 1 2

    By chris_x, January 19, 2023
    • 26 replies
    • 5.2k views
    • 
    • MrPotts
    • April 7

19. Questions/Issues with new UVC System 1 2

    By Spinny, February 23   

    • uvc
    • mlcp
    • (and 2 more)

      Tagged with:

      • uvc
      • mlcp
      • tun dish
      • flow rate
    • 30 replies
    • 2.1k views
    • 
    • JohnMo
    • April 6

20. boiler behaviour,please let me know your thoughts. 1 2 3 4

    By Post and beam, March 19
    • 83 replies
    • 4.5k views
    • 
    • marshian
    • April 6

21. SunAmp PVs going spare / scrap

    By TerryE, March 16
    • 15 replies
    • 1.5k views
    • 
    • TerryE
    • April 3

22. Oil Boiler Locking Out 1 2 3 4 5

    By Onoff, November 22, 2020
    • 103 replies
    • 18.6k views
    • 
    • Onoff
    • March 30

23. Help electric boiler for UFH

    By Alexphd1, March 21
    • 13 replies
    • 1k views
    • 
    • Nickfromwales
    • March 22

24. How to certify unvented cylinder if plumber lacks G3 ?

    By Spinny, March 20
    • 22 replies
    • 1.9k views
    • 
    • JohnMo
    • March 22

25. Crusty Combi Boiler Dripping

    By Krikey, March 16
    • 0 replies
    • 472 views
    • 
    • Krikey
    • March 16