boiler | Page 7
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boiler

  1. D

    LEAK UNDER FLOOR. BOILER ON ALL THE TIME AND WHAT IS PART IN PHOTOS?

    Some advice needed please re a 3 year old combi gas boiler. The hot water works but no heating. A gas engineer was already booked to do the annual safety check before the fault developed. He said the boiler is ok with no fault. He said there must be a leak under the floor boards causing hot...
  2. A

    Boiler starts on 2nd try

    Hi, I have Worcester combi boiler which has developed a 'fault' recently. When I switch the heating on, the fire in boiler starts for a second or two and then goes off. After another few seconds it starts again and then stays on. This happens around 8 out of 10 times. I had engineer having a...
  3. S

    Boiler return temperature

    WB 4000 installed a few months back, just balanced the 7 rads - managed to get around 15 degrees delta across most rads. Not quite the 20 degrees but still. Flow set to 60 degrees for now. 1.Obviously I want to ensure the return temperature into the boiler is below the 55 ish degrees needed for...
  4. R

    Boiler Return temperature

    Wb 4000 recently installed, and just balanced the rads with around 16 degree delta across most rads. I'm trying to make sure that the return temperature to the boiler are less than 55 degrees to ensure condensing is occurring. But in the service menu it only shows the primary heat exchanger...
  5. A

    Boiler not working after power cut

    Hi all, I have a viessmann vitoden 100 w boiler and we have had a three hour power cut this afternoon/ evening. The boiler switches on and the temp just goes down and then flashes up 0c. From what I can see this error code means blocked burner? The oven also will not ignite. I have tried to...
  6. A

    GAH Electrastream boiler, low pressure level, how to top up system?

    Can anyone help me identify which tap/connection it is to top up the system as the level has dropped quite a way below the red marker for the cold fill pressure on the gauge? Boiler was installed approx. 2014. I've looked in the manual & online but can't find anything. Many thanks
  7. C

    Worcester boiler noise

    Our boiler has started making a noise on start up and when it kicks in and out engineer says it’s an ignition coil bracket and nothing to worry about but it sometimes gets worse and it went on for few seconds todays (5) like it was stuck and then freed itself and might have been coincidence but...
  8. B

    Andrews maxxflo engineer needed laundrette boiler

    Can anyone recommend a andrews water heater engineer who doesn't scratch his head when he turns up Getting fault a11 West Yorkshire
  9. nick_p

    Vaillant Ecotec system boiler with VR66 and Opentherm (VR33 and Nest)

    Hi everyone, Just wanted to share my experience with "upgrading" an S plan setup to Opentherm and Vaillant Control Center (VR66). There are a few threads on a few different forums but I wanted to share a full write-up with all the steps needed, benefits and costs. Overall, I fully recommend...
  10. Sarah_Homeowner

    How do I Increase Pressure in my boiler??

    Hi, I am trying to increase the pressure in my gas boiler and was under the assumption it just involved opening these two small black valves. I have tried this but the pressure gauge on the boiler hasn't budged? Anyone know why this is?
  11. R

    Need to replace expansion vessel (oil fired boiler)

    Looking for someone that can replace the expansion vessel on an old heating system that is losing pressure every day and needs topping up at least three times a day. Trying to eliminate what the cause could be. Appreciate that it could be a leak somewhere, but looking to tackle one issue at a...
  12. T

    Hot water is cold. Boiler or valve

    Please advise me. I am a disabled pensioner. I had a wet room fitted just over a year ago using a local authority grant. Builder was employed by local authority. I had no say in who carried out the work. I have called the builder out under the guarantee several times for water leaks. The shower...
  13. davidw

    How thermal store boiler works?

    How a thermal store boiler works! I’ve got an old thermal store boiler and I’m trying to work out how it works. From what I understand the boiler keeps hot water at a steady temperature in the boiler whilst cold water enters into a coil which is held inside the hot water and this heats the cold...
  14. Z

    Vaillant System Boiler With Additional Pump

    Hi, i've got a job with a Vaillant Ecotec 630 system boiler, and i don't know the full history but the house has definitely been extended significantly since the boiler was installed. There's now 21 radiators/towel rails. It's getting to temperature, but even after balancing, it's not heating...
  15. H

    Pipework changes needed to replace a conventional boiler to a combi ?

    What pipework changes are needed to replace a conventional open vented gravity boiler to a combi boiler ? Would toilet flush/cisterns need replacing ?
  16. M

    Combi boiler hot water but no heating

    My first thought when I heard this fault a combi boiler with hot water but no heating. Was a problem with the stat, controls not making the call for heat. If this is not the case. Can the divertor valve be the cause of the issue?
  17. D

    Gas smell on ideal RS 50 boiler

    Recently noticed a gas smell coming from my ideal classic RS50 boiler. Cadent have been out and confirmed a small leak and capped off the gas. The question I have though is that the gas smell only appears when the boiler fires up not when the pilot is burning normally. Gas smell continues as...
  18. R

    Low pressure showing on boiler

    What the easiest way to find why my boiler is losing pressure. It is about 5 years old Vaillant combi boiler, we have just had 2 vertical radiator removed and refitted for decorating and now the pressure keeps dropping approx once a week. I guess a leak under the floor is possible, or trapped...
  19. M

    Vitodens 222-F combi storage boiler and loft shower pressure.

    I have a viessman vitodens 222F combi storage boiler on the ground floor. It has 100l capacity inbuilt cylinder which is delivered on mains pressure. I bought it hoping I could have two showers across floors running with hot water even if it’s a short while, while avoiding an unvented...
  20. J

    Can I remove a disconnected gas fire,leaving the back boiler in place?

    Hi all, I am a plumber but I do not carry out works to boilers as the majority of my is bathrooms so I am not gas safe. I have completed a bathroom for a regular customer. She is of old age and is starting to get a little clumsy and her son has asked me to look at the old gas fire/back...
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