hot water

  1. A

    Combi Hot water trigger

    First time living in a house with a combi. When I run the cold tap it triggers the combi hot water setting, I've checked the pipes and they are all connected correctly. The combi is just over a metre from the cold tap, is this just the slight pressure drop triggering as the boiler is so close to...
  2. clolouise24

    Hot Water/Boiler Issues (Rented Flat)

    Hi there, I recently moved into a rented flat - it's a nice flat and good for the money, but it's also pretty old and has (from what I can assume) a pretty old boiler system. When I moved in I didn't have hot water, the landlord and landlady haven't actually lived in the flat so when they came...
  3. John Peterhead

    Ideal Esprit HE24 boiler - no hot water

    I say no hot water but ...... OK start from the beginning. (Spark to trade ... I know, I know) Was working fine until 16 months ago and we noticed we wouldnt get hot water unless the pre heat was on. If that was on, we would get hot water as normal. This became slowly less reliable until a few...
  4. 8

    Betacom 28 - how to repressure it + hot water issue

    Hey all, I have a betacom 28 boiler and I’m not sure how to pressurise it again. Currently the boiler’s on 0.9BAR (it has dropped but it’s been gradual) I’ve noticed after bleeding the radiators recently I’m hoping it solves the issue I’ve got with the hot water. The heating still works, the...
  5. R

    Heat exchanger, buffer tank or low loss header?

    I'm putting in a completely new central heating system to feed radiators (150m2 of house across two floors - about 13 radiators) and provide hot water (1 shower, 4 sinks). For this, I'll be installing a Samsung 12kw Heat Pump and a 20tube solar thermal array (58mm hot tubes with alcohol fill)...
  6. B

    Replacing failed Danfoss 103 timer

    Hi, My flat has an old pumped central heating and gravity hot water system controlled by a Danfoss 103 electric-mechanical timeswitch. [Correction from ianmcd, below: It is not gravity HW. It is an open vent system with pumped HW]. No room thermostat. Hot water and heating cannot be switched...
  7. MorganL

    Where to branch out of 15mm hot water

    We have just got a top end boiler, and are ready to ditch the electric shower. As such I now need to put in a hot water supply to the shower which is currently only cold only. We have no problems with water pressure which is pretty epic since we got rid of the water bottle. here is a (cough)...
  8. P

    Electric boiler for hot water only, and removing all radiators

    Hi, The house I am buying is a 2 bed mid terrace, and is not on the gas network. The gas combi-boiler is run off LPG cylinders, and provides both hot water and heating. This is a direct system, and there is no storage tank. I am planning to go solar at some point in the future, and I want to...
  9. A

    Has anyone successfully installed Nest hotwater function to 30cdi classic boiler?

    Hi all A new member here! I have bought a 3rd generation nest that I want to integrate with my Worcester greenstar 30dci classic boiler. The central heating control is straight forward enough but I can't find much advice on the hot water function wiring on my particular configuration. The...
  10. E

    Baxi 60/100 and Hive

    Have searched the site for solution and couldn't find one for my problem, hopefully someone is able to advise on where I have went wrong. Formerly had potterton EP2002 controller connected to my BAXI system boiler 60/100. (See photo) This also had a thermostat wired in and has a hot water...
  11. JK5599

    Why do I have 2 receivers??

    I hope someone can help, We have a Mitsubishi ground source heat pump system with a water cylinder with a Mitsubishi PAC-IF013B-E Unit on the front. Downstairs we have a wireless Danfoss TP500Si thermostat which talks to the Danfoss RX1 single channel receiver also attached to the unit. There is...
  12. Oceans247

    Best heating and hot water system for a full reno terraced 3 bed house?

    Hi there, I am doing a full renovation on a mid-terrace 3-bed house (inc loft) and single-story rear extension. It will have 1 family bathroom with bath, and 1 ensuite and 9 to 12 rads (inc heated towel rails. Electric underfloor heating in family bathroom and ensuite. I was going to put in a...
  13. S

    Baxi Boiler Diaphragm Replacement

    Hello, I have a Baxi combi boiler and I'm having problems with the hot water. When the heating is on I have no problem and can get hot water but at other times it is very hit and miss. As well when I am running the tap at a low flow I can get hot water. I have been told that this is probably...
  14. M

    Loud vibration from unvented hot water tank.

    Hi. Over the past couple of months the hot water system in my house has started making an incredibly loud reverberation when a hot water tap is opened. I would liken it to the sound of a ruler being twanged on a desk. It is very loud and fades to silence over a period of about 3 or 4 seconds...
  15. Juliesm

    Hot water temperature setting when using a Combi Boiler

    I have a Combi boiler. I'm wondering: what's the lowest temperature that I can set the supply to taps at please? I don't have mixer taps in the house and really don't want 60C hot water coming out of the taps.
  16. F

    Vaillant Ecomax 835e Hot Water Cuts Out S53

    Hi, I hope you can provide some advice on an issue I'm having with my Vaillant Ecomax 835e. When I turn on DHW downstairs, the boiler fires and provides hot water as expected. But upstairs when the shower or bathtub are used, the water will get (very) hot, then steadly decrease in temperature...
  17. M

    Hot water from storage cylinder leeching into radiators ?

    Hot water coming out of the hot water storage cylinder into upstairs radiators after heating/HW turns off and running out of hot water in the mornings. I have a Glow Worm 24HX Condensing boiler on the ground floor with a pump in the same cupboard, a hot water storage cylinder in the airing...
  18. M

    hot water temperature problem

    I have a Glow Worm 24HX Condensing boiler on the ground floor with a pump in the same cupboard, a hot water storage cylinder in the airing cupboard upstairs (Kingspan 1500 x 450 grade 3, 162 Litre. cylinder) in the eaves area I have another pump (both pumps are Salus MP200 domestic circulating...
  19. P

    Weird heat levels from different taps

    Right, a confusing one! I have a combi boiler system, hot water to 4 outlets. The first in the run is the kitchen sink, which gets hotter than holy hell. The 2nd is the bath, tepid. The cold tap is never turned on when filling a bath. The 3rd in the run is the basin, which like the kitchen...
  20. digitalfire84

    Airlock? No hot water from pump in gravity fed system.

    Hi, I am not getting any hot water from my hot water taps/two showers which are fed from a water pump. It's a gravity fed system Hot water still coming from sources not linked to the pump (kitchen, bath, bathroom sink) No hot water in two showers or en-suite in attic room (hot water tap runs...
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