hot water

  1. S

    Vaillant/Heatmiser wiring problem

    I have a Vaillant ecoTEC plus 630 system boiler supplying 4 central heating zones (3 radiator and one wet underfloor) and one unvented hot water cylinder. The system is controlled by a Heatmiser wiring centre linked wirelessly to 4 room thermostats/timers. When the heating is on and the hot...
  2. T

    Vokera Excell 80sp no hot water

    I have a Vokera Excell 80sp combi boiler. For the last couple of days the hot water has been firing up initially when the tap's turned on and then running cold. I checked the pressure gauge and it was at zero so i topped up the boiler using the filler loop, which seemed to get the pressure back...
  3. D

    Mixer tap hot water temperature

    Our bath has a mixer tap and when turned on sometimes when the tap is set to be fully hot the water is warm but not hot. If we turn off the bath tap and run the hot sink tap in our bathroom we get steaming hot water. If we then turn off the sink tap and turn on the bath tap again we now get...
  4. A

    Secondary Return Pump

    Hi guys, looking for a bit of help. Recently qualified plumber but having an issue as my manager is away on holiday! Getting hot water at taps but it's taking quite a while to come through at certain outlets, I'm thinking it will be a faulty pump but I'm not all that sure on how to fully check...
  5. bettz1

    Radiators coming on with Hot water

    Hi all hoping somebody can help. Noticed last week that when the hot waters on some of the radiators are coming on for the 30 mins that the hot waters on for. I've turned most of the radiators off but that only hides the problem :unsure: I've tried moving the manual/auto switch on the...
  6. J

    No Hot water - help please !

    Hello, Made this account in desperation, as I am getting no hot water. (As in no water at all). This occured after fitting a mixer tap in the upstairs bath. I turned isolated 3 rotary valves in the airing cupboard and the main stopcock for the house. after turning the water back on, the cold...
  7. N

    Hot water water running out of Megaflo

    Hi, So i have come across this forum and it appears to be incredibly useful however no instance seem to cover the problem I am facing right now in entirety. As per the subject, I have a 300i Unvented Megaflow tank which runs out of hot water incredibly quickly and most frustratingly even when...
  8. I

    Why is my Ariston boiler being weird?

    Hi all. My house and hot water is heated by an Ariston Microgenus boiler. It's working fine, except, every once in a while, it fires up and the hot water light (as opposed to the central heating light) comes on. The LCD display goes from showing "On" to showing a number reflecting water...
  9. Dik-hurricane

    Main Combi 24 HE Hot water runs hot cold hot

    Hi all After some suggestions on a problem I'm having with my combi boiler, its a main combi 24 he. The problems occurs mainly when running the kitchen tap or the shower, the hot water runs for a few minutes and then goes cold for a little while and then back to hot again, and does this...
  10. N

    Elson Coral E immersion heater - bottom heater not working after hot tap left on all night

    Hi, Probably (hopefully) a very basic question. I have an Elson Coral B immersion heater. My hot tap was left on all night last night, and now I have no hot water. There are two immersion heaters (one for cheap electricity and one for the day) - the day heater is working fine, as I've just...
  11. J

    Electric only flat ... removing water tank and upgrading system.

    Hi All ... First ever post. I have just bought a one bed one bathroom ground floor flat with not a lot going for it in the way of storage. Currently in the hall way there is a cupboard that houses an immersion tank, shower pump and also water tank. The place has no gas so a combi is out of...
  12. B

    Boiler thermostats

    Hi I have a electric boiler with 2 x 7" thermostats in it, before I got hot water 24/7 without touching the control switch.I recently replaced one of them now I have to keep switching it on every time I need hot water can anyone tell me whats wrong
  13. P

    Help - No hot water to shower

    Hi Can anyone help. Lived here for 7 years, hot water pressure all over the house has always been fine but to the shower in the ensuite it's always been low (cold pressure is fine). Last couple of days the shower has only run cold, have took the shower off the wall (aqualisa aquarium mixer)...
  14. LilMissModette

    Too hot!

    Can someone please tell me why my bathroom radiator comes on when the hot water is turned on.... Is that meant to happen?
  15. D

    ICOS/Ideal HE18 Hot Water but No Heating

    I have an ICOS Ideal HE18. Got up this morning to NO HEATING but water is working fine. I've done as much checking as I can - I'm no expert. I have hot water, my wireless room thermostat appears to be working (I've reset it to test it) and it's turned up to 25. I've fiddled with the valve...
  16. I

    Viessmann Vitodens 100 Combi Issue

    I have a 4 year old Viessmann Vitodens 100 Combi boiler feeding an unvented hot water system and underfloor heating system. My issue is with the hot water circuit. When the hot water system switches on in the morning and the boiler fires up there is distinct rattle/judder which lasts a second...
  17. L

    Vokera Maxin 24e hot water issue

    Words of wisdom gratefully received please! I have a Vokera Maxin 24e combi boiler supplying 7 double radiators, one kitchen mixer tap, one bathroom sink mixer tap and one bath mixer tap with shower attachment. Boiler last had a major overhaul 9 years ago when I bought the property (it wasn't...
  18. Mike2007

    Megaflo problems

    The 250ltr cylinder I have isn't supplying hot water. It's supplies luke warm water or intermittent hottish water. It has been drained down and recharged. Plenty of hot feed from the boiler primaries. There is red hot water from thermo pressure release valve near the top of the tank but...
  19. C

    Mineral wool blocking tank/pipes

    Hi all and i hope someone can verify what im thinking is wrong. Ok just before xmas i go to have a hot bath and theres no pressure at the taps.im running on economy 7 central heating with hot water cylinder.header in the attic. If i blow down the sink hot tap water comes out of the hot tap in...
  20. S

    Hot Water Problem

    Hi I would be very grateful to receive some ideas to resolve a problem I have with my hot water. I have 2 large Heatrae Sadia Megaflow cylinders fitted that are now around 12 years old (They are 250 or 280 cant recall which) Overkill for the house really! There are 2 immersion heaters fitted to...
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