hot water

  1. F

    worcester greenstar 28i junior hot water issues

    Hey guys, Having issues with a worcester 28i junior combi. Heating is fine but when the hot water is in use it stays hot for around 30 seconds to a minute than runs cold. The boiler does not lock out. If the taps is then closed and re opens the same process happens. Hot for a short while than...
  2. F

    worcester greenstar 28i hot water issues

    Hey guys, Having issues with a worcester 28i junior combi. Heating is fine but when the hot water is in use it stays hot for around 30 seconds to a minute than runs cold. The boiler does not lock out. If the taps is then closed and re opens the same process happens. Hot for a short while than...
  3. D

    Please Help..... No hot water with central Heating on..... And no 2/3 port zone valves anywhere??

    Hi, I have just moved into a new property in which we have a system boiler (fairly new ideal unit). The boiler is located under the stairs and coming from the boiler is 2 pipes (F&R) with a grundfos pump. the two pipes rise up into the floor void above and out of site. the cylinder is in the...
  4. M

    Have to turn heating off and then on to get hot water

    I have Drayton 2 channel programmer, for a while the clock would come on for the hot water but the boiler would not start up. Discovered if we switched the heating on and then off on the timer the boiler would start up and heat the water and go off with the timer. Since the temperature has...
  5. H

    Smell of gas on ignition from newly-serviced Baxi Solo 2 30PF boiler

    Hi all, I'm at my wits end after a week of boiler woes. Last Sunday we noticed a smell of gas coming from the boiler when the heating came on. We immediately called the Gas Emergency Services and someone came very quickly and detected that there was indeed a leak from the boiler. He shut the...
  6. A

    Heating Comes on When Hot Water On

    Hello all. We moved into a new house only a few months ago. We have an oil fired boiler and a hot water cylinder. Now when we call for hot water, the heating comes on -and when we call for heating, nothing happens. I've had a look at the mid position valve - it's an ACL Lifestyle model. When I...
  7. F

    Nest 3rd generation replacing a British Gas UP2

    Hello all, I would a very quick bit of advice. I am planning to purchase A Nest thermostat this weekend but I want to understand how I can wire it first with my setup. Please in advance forgive me if I say anything slightly stupid but I have a good understanding of electric circuits so I should...
  8. U

    ATAG A325ECX: Hot water but no Central Heating. Any ideas?

    Have called the guy who installed it to come and take a look at the beast, but in the meantime does anyone have any ideas based on the following symptoms? ATAG A325ECX condensing boiler installed ~18 months ago. Heating system is a three loop job, each loop guarded by a valve controlled by a...
  9. D

    Hot water tank noise when being filled.

    Hey guys, Complete novice here but our hot water tank makes the following noise when turned on via the timer.....any ideas what it is, what needs to be done to remedy? It can be quite loud and happens on and off. Thank you in advance Ben
  10. D

    Unable to set 'cylinder boost' for extra HW on Vaillant VRT350F

    Hi all, newbie here. Less than a year ago I had a new Vaillant Ecotec boiler installed with a VFT350F controller. It connects via a VR65 control box to my existing honeywell gravity fed cylinder. It works well when programmed to come on, but I have never been able to get the 'cylinder boost'...
  11. 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...
  12. 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...
  13. 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...
  14. 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...
  15. 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...
  16. 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...
  17. 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...
  18. 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...
  19. 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...
  20. 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...
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