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  1. T

    Replace electric boiler &hot water storage tank 4 Electric CombiBoiler

    Is it worth replacing a Potterton gold 9kw electric boiler with a hot water storage tank for a new Electric Combi Boiler ? Would there a reduction is electric consumption and therefore a saving ? Please advise
    • Tryale
    • Thread
    • boiler electric hot water replace tank water
    • Replies: 0
    • Forum: Boilers
  2. B

    Boiler short cycling in system with hot water tank

    Issue with boiler short cycling in system with hot water tank. We have an ideal heating logic heat2 h15 boiler which feeds a hot water tank upstairs in the house. We have an issue where if the boiler isn’t set to 80c then the boiler will short cycle, the hot water tank thermostat is set at...
    • Boiler short cycling
    • Thread
    • boiler hot water system tank water water tank
    • Replies: 10
    • Forum: Boilers
  3. E

    header tank cover needed?

    Can somebody tell me where I can get a cover/top compatible with this header tank please? as insects are getting into the hot water It will also need some form of insulation jacket The tank has been replaced at some point by an identical one, maybe it was damaged so I have included a photo of...
  4. E

    How to calculate heating system capacity for expansion tank

    Hello want to know on how do you calculate size of expansion tank for closed heating systems . for example 500 meters of 16mm underfloor heating and 4 double ~1000mm radiators , hot water cylinder coil , and oil boiler
  5. D

    Warm water in hot water header tank

    Hi all I have a problem with my hot water header tank getting warm water into it from the bottom of the header tank (not the hooked overflow/expansion pipe. Hence the header tank then reaches the overflow level and the overflow trickles out. I have changed the ball valve washers thinking it was...
  6. S

    Header tank overflowing and water is hot in the tank.

    Hi all, Just recently noticed the overflow has started pouring water out, there are three tanks in the loft and I'm quite sure this is from the heating. We have two boilers, one for water and one for the heating, it's an 8 bed Victorian house (bed and breakfast) I went into the loft to see what...
  7. Zig168

    Leak in Airing Cupboard Tank

    The pipework around the hot water tank in the airing cupboard has developed several leaks after a chemical flush. It's an open vented system. Any ideas on controlling or fixing the leak? Should I turn off the red valve (pic 1) that has a leak next to it and rundown the hot water? Pic 2 a...
  8. A

    Air trap after loft tank cleaning

    After cleaning up of loft big tank, water supply has stopped for taps due to bubble trap. How to release please?
  9. J

    TMV with variable tank temperature and recirculation

    All of my London house plumbing is being redone, with a heatpump heating a DHW tank, and a hot water recirculation system. With the hot water normally at 50-55C in the tank, but occasionally heated to 70C for disinfection, I want to ensure a consistent end user experience, so thinking of...
  10. Eddiez

    Hot water tank noise?

    Why is my hot water tank making some sort of irritating whistling noise after I take a shower?
  11. S

    Cold water tank sediment blocking up the shower head.

    Been getting large amounts of sediment coming through the electric shower. Had two plumbers look at the job who are unsure of how the sediment can be getting through to the electric shower. The electric shower is run off the mains not from the cold water tank. Any ideas on how this has...
  12. T

    Cistern water tank overflow

    Hello, I’m new to the business so apologies if this is a stupid question. I was tracing the cistern tank overflow pipe and found it eventually went to nowhere. Basically a disaster waiting to happen. The problem I have is that this is a flat on the 2nd floor with no visible external overflow...
  13. T

    Danfoss HTS3 HW tank thermostat

    Hi, (Not a pro, just DIY) One of these worked OK for 18 years, but seemed to have gone faulty. Replaced it with same, twice in last 2years. Running on HW only in summer, the domestic water is either scalding or lukewarm. Tried temp settings over 50 & 60. I was thinking that the microswitch...
  14. J

    Recommended temperature on hot water tank

    Hi All I hope you are doing well. I have this water tank for hot water heated by a Baxi boiler or electrical heater. What is the recommended temperature on it? I see Danfoss ATC written near the knob. Is it what the end-user wants or there is a reason behind 50 or 60 Centigrade? I think it was...
  15. dilligaf

    Heat storage tank only?

    Is it okay to use the boiler to heat the storage tank only whilst the central heating radiators are drained on with a conventional system?
  16. K

    Fungus/growth floating on top of feed & expansion tank?

    I’ve recently cleaned my central heating system with Sentinel X400 cleaner, flushed it out clear, refilled & added Sentinel X100 inhibitor. After a couple of months, I went to the loft to check the feed & expansion tank, open the lid, there’s some kind of white/yellowish fungus/growth floating...
  17. T

    Is there water in the tank?

    Hi, we have an old water tank in our roof that's not used anymore. We have a contractor for something else wanting to cut a pipe from it. I'm worried that there might be water in the tank that will come out if the pipe is cut. How do I tell if there's water in the tank? Do old tanks normally...
  18. B

    Part of Immersion Heater Element Fell into Tank

    Struggled with an element that was far too wide to come out of the aperture (how was it ever put in ?) I had to cut one loop. After some brute force the head broke off leaving the broken ends of the element protruding. I wiggled half of it out at which point the other half fell back into the...
  19. C

    Immersion tank is always on

    Hi, the immersion tank is running all the time and we can't switch it off. I've uploaded pictures of the devices attached to it. Any help would be greatly appreciated. Thanks
  20. J

    Bath tap mains fed or from tank

    Hi guys I'm wanting to install an electric shower in my new property what's the easiest way to check it bath tap is coming from mains ? The mains stop tap is located near the toilet in the room underneath me, when I switch that off it shuts all cold water off for every tap in the house. If I...
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