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hot water

  1. T

    combi boiler solely for hot water

    hello, I am doing an old building conservation project and the radiators and piping all needs changing. As this would involve a lot of interference with the historic floors etc, i've decided to install infrared panels as the heating source. I'd still like to use the boiler to provide my hot...
    • TenementConservation
    • Thread
    • boiler combi combi boiler hot water water
    • Replies: 6
    • Forum: Boiler Advice Forum
  2. D

    Where is the water coming from?? Hot water tank keeps dripping....

    Hi all - hoping someone knowledgeable can help as I'm super confused by this.... I have a standard system / gravity fed boiler, large cold tank in attic, hot water tank in airing cupboard etc. I recently found that the hot water coupling into my shower pump (salamander) had sheared (the...
  3. G

    Baxi Duo Tec 28 Hot Water Issue

    Baxi Duo Tec 28 Hot Water Issue. Hi, I have a Nazi duo tec 28. I’m having an issue with my hot water. If the CH is on, and I turn on the hot water I get warm/tepid water provided the HW temperature dial is set about 3o’clock. If it’s set any higher, I get an E28 fault, and my water goes cold...
  4. A

    Hot water OK, CH not working!

    I have a Potterton Promax combi 28HE Plus A. Hot water fine, heating not working. If I remove the diverter motor and press the valve manually, the radiators heat up! I have replaced the motor (diverter valve) and the PCB. The thermostat is a Danfoss wireless RET B-RF conected to a Danfoss RX 1...
  5. V

    Hot water system not calling for heat?

    Hi. I'm hoping someone can help me to understand how our hot water system works (or maybe isn't!). We have had a new unvented system for hot water and heating put in. The gas boiler is the original one. Our problem is with the hot water. We get a cylinder full of hot water, which is good. But...
    • Vic Dones
    • Thread
    • heat hot water system water
    • Replies: 1
    • Forum: UK Plumbers Forums
  6. F

    Vaillant boiler pressure drops only when hot water is on

    Vaillant ecotec boiler loses pressure when hot water is on and does not work. But heating is working fine with normal pressure . Help plz
  7. K

    how can i get a hot water tap in garden building with only a cold feed

    hi. i am putting a loo in my garden office but only have a cold water feed. can i get hot water without using one of those triton wall mounted mini electric heaters? eg is there an electric mixer tap or something i could use instead. saw something on amazon that maybe looked ok? cheers
    • karen mcavenue
    • Thread
    • cold hot water water
    • Replies: 3
    • Forum: UK Plumbers Forums
  8. M

    Viessmann Vitodens 222-F: short cycling on hot water call

    I have a Viessmann Vitodens 222-F FS2B 26kW Storage Gas Boiler installed in 2014. The boiler has developed a problem recently where it short cycles but only when hot water is used. When hot water is turned on (on any tap in the property) the boiler remains off for about 45 sec. At the...
  9. M

    No Heating or Hot water AlphaCD25C

    My partner has an Alpha CD25C fitted and worked until a couple of weeks ago. Intermittently it will switch off after working for 4-5 days. When checking the boiler lights A + B flashing red alternately and light D is green. Tried doing a reset and switching off the main power and restarting...
  10. A

    Hot water very slow new mains pipe fitted

    Hi all Just had a new mains water pipe fitted and the hot water is very slow almost a trickle. We have a combi vaillant ecotec pro 824 and it seems to come out fast to begin with then slows down considerably. It seems the boiler is struggling to provide hot water at the adequate rate that it...
  11. G

    Best economic way to heat hot water no heating

    Purchased property, all electric heating has combination cylinder doing hot water for 1 bathroom only , updating bathroom to have a shower, bath a basin and kitchen sink that needs hot water with no gas main or boiler , what’s the cheapest system to install to heat this property’s water...
  12. D

    Boiler shutting off during heating hot water

    I have a Viessman Vitodens combi boiler. When running the hot tap (or shower), the water comes through hot but then the boiler shuts off, water gets cool, boiler fires up, water gets hot, and so on... Only started happening a few weeks ago. I have replaced the flow sensor, checked voltage where...
    • Dumbaskus
    • Thread
    • boiler heating hot water water
    • Replies: 2
    • Forum: Boiler Advice Forum
  13. M

    Hot water solution for cafe??

    Hi guys. Do any of you knowledgable lot have any recommendations for hot water in a small cafe kitchen? They have a combi boiler which serves the property but she’s been having issues with it which then means she can’t open due to having no hot water? Any advice would be great.
  14. A

    Please help. When Heating on no hot water and vice-versa with Drayton 27101 - 3 port motorised valve

    We have a Drayton 27101 - 3 port motorised valve 22mm compression Issue: when heating switches on there is no hot water, when you switch heating off you get hot water. I replaced the motor in the motorised valve, everything started to work like it should. But an hour later and the same...
  15. G

    Different flow temperature for radiators and hot water tank circuits

    Hi Morning, I am looking at a new boiler and hot water cylinder setup for a house I am refurbishing and am getting conflicting advice on my question: Can I use a Combi or System boiler to have a different flow temperature for the hot water tank heater and the radiators. I appreciate the hw...
  16. M

    Hot water tap terrible flow

    Hi all, The hot water tap on our bath only dribbles, even when fully open. Our hot water pressure in the house isn't amazing, but it's not bad - the kitchen sink in the next door room is absolutely fine. I tried to link a video but the forum wouldn't let me, so have attached it instead. Does...
  17. R

    loosing hot water flow when macerator pump goes?

    Hello I have a salon and the plumbing for the hair wash basins is taken from the toilet, so when we are washing hair and the water is a good temperature, when the pump goes the water goes cold it takes a wile to come back. It used to do it a bit and now its much worse. A plumber said it cant be...
    • Russell James
    • Thread
    • flow hot water pump water
    • Replies: 3
    • Forum: Bathroom Advice
  18. S

    Camray 5 Combi Oil Boiler locks out on hot water demand

    Having a few issues with my combi boiler, its 14 years old now and due to be replaced as we are building extension, but need to get another 10 months out of the combi yet! Was having pressure and lockout issues and the relief vale had activated couple times, expansion tank is fuel of water so I...
    • Seumas
    • Thread
    • boiler combi hot water oil boiler water
    • Replies: 3
    • Forum: Boiler Advice Forum
  19. K

    No hot water if the heating is running, but otherwise okay.

    I have a strange fault with a Vaillant EcoTec combi-boiler. It's 100% reliable whenever the heating is called for, ie. by the room-stats. It's also 100% reliable when hot water is called for, ie. hot tap or shower, as long as the heating isn't running at the time. But if the heating is already...
  20. A

    Worcester rsf hot water cutting off

    Hi.i was asked to take a look at my customer worcester 28i. When calling for hot water the boiler fires up fine and the water gets hot. After approx 30secs of running hot water the boiler shuts down. With the hot tap still running( water gone cold) the boiler then fires up after about 5sec and...
    • Aquafix 73
    • Thread
    • hot water water worcester
    • Replies: 1
    • Forum: UK Plumbers Forums

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