Boilers & Hot Water Tanks

620 topics in this forum

1. Visual check of boiler install

   By jfb, May 22
   • 5 replies
   • 288 views
   • 
   • Nickfromwales
   • May 23

2. Water flow temperature

   By iMCaan, May 4
   • 8 replies
   • 440 views
   • 
   • SteamyTea
   • May 6

3. Worcester 24i Junior - PRV?

   By Mulberry View, April 2
   • 8 replies
   • 518 views
   • 
   • Mulberry View
   • May 4

4. Pressure Reducing Valves for UVC

   By Spinny, April 26
   • 9 replies
   • 454 views
   • 
   • Nickfromwales
   • April 27

5. HELP - Loud Hot Water Noise

   By Spinny, April 22
   • 3 replies
   • 354 views
   • 
   • John Carroll
   • April 26

6. My Viessman boiler journey 1 2 3 4 11

   By marshian, September 25, 2024
   • 274 replies
   • 33.2k views
   • 
   • marshian
   • April 20

7. Replacement heating for an Old Farmhouse

   By Iceverge, March 12
   • 24 replies
   • 981 views
   • 
   • Iceverge
   • March 16

8. Residual Pump Head

   By John Carroll, March 11
   • 1 reply
   • 463 views
   • 
   • John Carroll
   • March 11

9. Worcester Bosch Greenstar 8000 System Boiler Issues 1 2 3 4 10

   By EinTopaz, December 15, 2025
   • 233 replies
   • 14.7k views
   • 
   • John Carroll
   • March 10

10. Boiler dropping 3/4 bar pressure every 24hours

    By AidanGee93, February 10
    • 12 replies
    • 794 views
    • 
    • AidanGee93
    • February 15

11. Unvented hot water cylinder (electric)

    By AidanGee93, February 7
    • 11 replies
    • 834 views
    • 
    • Susie
    • February 8

12. Is flexible condensate pipework a bodge?

    By MJNewton, January 12
    • 2 replies
    • 737 views
    • 
    • MJNewton
    • January 12

13. Pump Affinity Curves

    By John Carroll, January 3
    • 0 replies
    • 703 views
    • 
    • John Carroll
    • January 3

14. Baxi 105e Instant-end of service life advice please.

    By FlatMax, November 27, 2025
    • 19 replies
    • 1.5k views
    • 
    • marshian
    • January 2

15. Problem with an S-PLAN motorised valve.

    By MikeSharp01, January 1
    • 7 replies
    • 882 views
    • 
    • MikeSharp01
    • January 1

16. Newark ministore DHW cylinder (Shell and Tube Heat Exchanger)

    By Tide2, December 21, 2025
    • 16 replies
    • 1.3k views
    • 
    • JohnMo
    • December 28, 2025

17. Worcester Bosch Anti Fast Cycling

    By John Carroll, December 18, 2025
    • 6 replies
    • 958 views
    • 
    • John Carroll
    • December 22, 2025

18. Baxi boiler pressure when hot water on

    By mills705, December 17, 2025
    • 0 replies
    • 754 views
    • 
    • mills705
    • December 17, 2025

19. Diagnose my Tundish Problem ?

    By Spinny, December 4, 2025
    • 19 replies
    • 1.4k views
    • 
    • John Carroll
    • December 14, 2025

20. Smart 'stat modulation

    By MarkyG82, April 25, 2024
    • 12 replies
    • 5.4k views
    • 
    • MarkyG82
    • December 11, 2025

21. Have I spotted a worrying failure mode on our ASHP system or missed something?

    By MikeSharp01, December 7, 2025
    • 7 replies
    • 988 views
    • 
    • JohnMo
    • December 7, 2025

22. Wet ufh system

    By RedSpottedSev, October 27, 2025
    • 20 replies
    • 2k views
    • 
    • RedSpottedSev
    • November 21, 2025

23. Recirculating loop DHW - control

    By JamesPa, November 19, 2025
    • 2 replies
    • 902 views
    • 
    • Wil
    • November 19, 2025

24. Horizontal DHW tank?

    By Alan Ambrose, November 17, 2025
    • 4 replies
    • 970 views
    • 
    • JohnMo
    • November 17, 2025

25. Top Mounted Vertical Immersion

    By John Carroll, June 17, 2025
    • 21 replies
    • 2.4k views
    • 
    • John Carroll
    • November 16, 2025