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Central Heating Boiler, Combi Boiler, Hot Water Boiler

Central Heating Boiler | Boiler - Hot water boiling system​


A boiler is a closed vessel in which fluid (generally water) is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, including water heating, central heating, boiler-based power generation, cooking, and sanitation.
Central Heating Boiler | Boiler - Hot water boiling system

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  1. Boom7#5times

    Be warned / Scam / Boiler Repair boiler-breakdown dot net

    Had a call to a 82 Old man, he paid these £300 up front for a years cover, and I find out on arrival he's been waiting for 3 weeks, no heating or HW.. ( I had to dig backwards from the customers phone number he had) . Turns out the email for invoice i asked for is fake, dont reply to my text...
  2. P

    Oil fired central heating boiler issue ?

    Hi, Over the past few months, my wife and I have noticed a constant pulsing sound throughout the house which is particularly noisy at night (this could be as a result of us noticing the sound more when there is less environmental noise). Unfortunately, it is severely disrupting our sleep, so we...
  3. P

    Undersized boiler do not use

    Hi I've been to a customer today that has a 9 year old baxi duo tec40kw boiler,it runs 20 radiator that all work fine,they have 2 bathrooms and 1 electric shower and again have no issues with hot water.Over the last 4 years baxi have repaired the boiler on 8 occasions, with faults on gas valve...
  4. P

    Drain down/flush options for combi return that goes up not down.

    Hi All This is following on from thread I made a few days ago but can't seem to find I'm in a bit of a bind with my CH design where I want to sort all of my rads and do some other bits including fitting a filter but I'm stumped on how to drain down due to how the system is put together...
  5. B

    Boiler decision - Worcester v Baxi

    Hi. I’m new here and due to have a new boiler fitted. Does anyone have recommendations or thoughts on either the Worcester 8000 40KW Combi or the Baxi 40kw Platinum or the Valliant EcoTec Plus 838. The Worcester is the most costly but I’m happy to pay more if it means a better boiler (long term...
  6. P

    Grant Vortex 50/90 oil boiler with open air tube spigot

    Grant Vortex 50/90 condensing oil boiler where the air tube spigot over the fan is not connected to the existing flue, should this be closed off with a Reillo cover plate to stop vermin getting into the open fan motor.If is blanked over will need a further combustion test to confirm adequate...
  7. MilkyBadger

    Seeking Engineer for Vaillant EcoTec 832 Boiler Issue - SE London

    Hello, I am looking for a heating engineer to diagnose and resolve an issue with my Vaillant EcoTec 832 combi boiler. Job Location: Copeland Rd, London. Job Description: Problem: The boiler is not providing heating under normal conditions, although hot water supply is fine. Interestingly...
  8. MilkyBadger

    Why Does Vaillant EcoTec 832 Boiler Only Heat in Chimney Sweep Mode?

    Hello everyone, I'm facing an issue with my Vaillant EcoTec 832 boiler and would greatly appreciate your expert advice. The Problem: Heating Not Working Normally. When I turn on the heating, it doesn’t start. However, I still receive hot water, suggesting the boiler does work in some...
  9. L

    soilid fuel back boiler leak

    I can see the small leak in back boiler, have tried all sorts of products to seal it. have drained the radiators but pressure from water in actual and pipes boiler keeping it wet!! any ideas please to seal, its my only heating.
  10. I

    Open fire with back boiler

    when I removed the back coal saver I can now see the mental back boiler. I could not see the back boiler when I put the coal saver in place last year . Do I recover the metal back boiler in fire cement or is their something better. The fire cement at the bottom of the photo is where I block...
  11. F

    Heating Possible conflict between Ideal boiler and Gledhill cylinder

    My heating system comprises an Ideal Logic 12 boiler located downstairs and a Gledhill OV SOL cylinder located upstairs . The problem is that when the Gledhill controls for the “hot water” and “central heading” are turned on the Ideal boiler makes a constant “clicking” noise and tries to start...
  12. Gazza9755

    Boiler keeps turning off

    Hi wonder if anyone can help. Had no issues last year. Have Valiant ecoTEC plus and Drayton thermostat. I have tended to leave thernostat and just turn boiler on when needed. Its showing 14 and when i set it higher sometimes it comes on sometimes it doesnt. Sometimes it starts and then...
  13. R

    Boiler service/ gas safe course

    Hello, I am looking for an honest opinion please, with my current employment I get a lot of time off, I am considering completing a gas safe course with the view to use my spare time to potter about doing boiler services and that only, am I naive to think it’s that simple? Thanks
  14. S

    Old back boiler question?

    Hey there I'm looking for some advice on a potential issue I'm having with an old back boiler. So just moved into my parents' old house with my partner, it's a terrace with back to back chimneys in the kitchen and the sitting room. The fireplace in the kitchen is the old back boiler that hasn't...
  15. J

    How should a boiler be fitted to stud wall? Guidelines.

    Hi. I moved in to a new build home and 3 years later (after the builders warranty expires) the boiler is slipping off the wall at one side. This is putting pressure on the flue. Not something I’m happy with. Does anyone know the guidelines on how they should be fitted? I want to prove they...
  16. B

    Right on the edge of the limit?

    Had our gas Baxi Combi inspected and serviced today, as it has been every year. Gas safety cert issued and says all okay, but engineer gave what I think was very... ambiguous... advice. 12yo boiler with the following readings on the analyser printout: O2% = 4.1 CO ppm = 192 CO2% = 9.5 Ratio =...
  17. chriskarl22

    Ariston Boiler Issues

    Hi, I am currently having issues with an Ariston Combi A series boiler giving an E08 - "No water in primary circuit" error code, the circuit is holding water pressure fine, the pump runs and seems to have a bit of force behind it and I have replaced the pressure sensor but the problem persists...
  18. M

    Boiler packs and heating products??

    Hi guys Who are you all using for the above mentioned please? Even budget boilers seem to be expensive these days. Thanks
  19. M

    URGENT Looking for advice or help

    I am repiping my radiators with pex al pex, manifolds. 2 zones one 4 rads and one 2 rads. I will have the circulator pumps on the return. The picture is sorta what I am going for My questions are: where should I install my expansion tank? what else should I have/add into the piping? if...
  20. G

    22mm Gas Feed for 35kw boiler - How do I know this is big enough?

    Hi folks, i've just moved into a property last month and begun to take note of things that may need attention. One of which is the feed to a 35kw system boiler appears to be in 22mm flexible steel pipe (tractpipe, or teslaflex or w/e). Distance from the meter is only 4m-5m or so, and I assume...
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