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boiler

  1. Zig168

    Combi Boiler vs System Boiler

    I think the last discussion was back in 2021. A few questions to guide any discussion. Which are the cheapest to heat over the year, system or combi in an average 3/4 bed property? Which will be the more reliable and cheapest boiler type to repair over the next 10 years? Is there a better...
  2. Zig168

    Replacing a 22 Year Old Boiler any recommendations?

    I've got a non condensing Glowworm Ultimate with gravity tank and hot Water tank in a 4 bed house. 11 radiators 1 double 1400mm length 1 P+ 1400mm length 2 P+ 400mm length 7 singles 400mm 1 mains shower average water pressure Any recommendations on combi boiler and KW? Boiler budget...
  3. B

    New regular boiler (heat only) in a sealed system??

    Hi, I am replacing our 11 year old boiler (due to H.Ex. leak) with a new one. This is in a "sealed" system with red expansion vessel in airig cupboard & a megaflo (no tank in loft). However the exisiting boiler is Vaillant ecoTEC 4xx boiler - which is satated by vaillant as an "open vent" boiler...
  4. vertexape

    Would like to understand how my Grant Oil Combi boiler is hooked up to the pipes in the house

    Hello, bit of a noob question but would someone be able to help me to understand the pipes coming off our boiler. It's a Grant oil combi boiler, and where the pipes come in is in a room at the front of the house. I am about to box them in but I really wanted to understand what the various pipes...
  5. T

    Recent boiler room upgrade

    For those interested, here’s a recent install.
  6. T

    Causes for no hot water from Potterton boiler.

    My disabled daughter’s hot water has stopped working. It’s a relatively modern Potterton boiler with an indirect sealed hot water system and a Nest controller. I’m familiar with the old gravity and pumped hot water systems and the new direct systems but not with sealed systems. Recently...
  7. L

    Worcester Bosch Heatslave Boiler pressure issue... any thoughts...?

    Greetings. I have an external Worcester Bosch Heatslave boiler and have a question about pressure. The boiler pressure was set to 1.5 during a recent visit by a plumber (as it seemed to have dropped and was hovering between the green and red zone) . A few days later I turned the thermostat down...
  8. P

    Cant get boiler Viessmann diverter valve out!

    I need to replace the diverter valve - I unscrewed it from the hydraulic block but for the life of me I can't get it out. I even spoke to Viessmann tech and they advised twisting and yanking hard but this tosser is not budging AT ALL. The valve was replaced 2 months ago by someone else. Is there...
  9. C

    Service old boiler vs buying new

    Hi everyone! Parents not used the boiler since 2013/2014, since installing a new wetroom for them they have now decided its worth getting the boiler running again. The only reason it has not been used i so long is the the zone valve kept getting stuck (would have fixed this myself if i knew!)...
  10. L

    Worcester Bosch Heatslave Boiler pressure issue...

    Greetings. I have an external Worcester Bosch Heatslave boiler and have a question about pressure. The boiler pressure was set to 1.5 during a recent visit by a plumber (as it seemed to have dropped and was hovering between the green and red zone) . A few days later I turned the thermostat down...
  11. P

    Glow worm back boiler

    Hi I have a Glow-worm back boiler which is giving me grief (I would have upgraded it by now but its a listed building and there's issues with venting through the external wall and I'm reluctant to go with an electric boiler instead (because of the consumption cost)). It's a sealed system. The...
  12. J

    At Risk gas meter box after new combi boiler fixed

    Had conventional boiler and tanks removed last year and new combi fitted and just recently had it serviced but the guy who did it has given me a gas warning notice for at risk as the outside wall meter box has been drilled through for the gas pipe to go horizontal straight to the boiler. The...
  13. C

    baxi duotec e50 boiler error

    Hi, I'm hoping someone here may be able to help me out with an issue I have with my baxi duotec boiler. Basically, the hot water temperature has been fluctuating quite alot, dropping in temp then raising again whilst showering. I have had an engineer out who has changed the thermistor, but I am...
  14. mattgriff88

    Vokera 15 vhe Boiler

    Hi I have a Vokera 15 vhe boiler and all has been running well for the last 6 months since moving in up until a few weeks a go. Boiler throws up a flashing 79 code. Try restarting the boiler straight away but I have to wait 10 minutes for it to cool down before it works. I reset the boiler...
  15. W

    Worcester Boiler on the Blink... Literally! All Lights Flashing

    My Worcester Combi Boiler is not working, instead the display flashes on and off repeatedly, as shown in <a href=" View: https://youtu.be/Touvx2c3RJE ">this video</a> I took when turning it back on this morning (it had been off overnight) - it shows the behaviour, but if that fails, all the...
    • Worcester Boiler broken
    • Thread
    • boiler worcester
    • Replies: 1
    • Forum: Boiler Advice Forum
  16. chloeradhsaw

    One Pipe System Ideal Mexico 2 Boiler

    Hello friends - I really struggle to understand my heating and hot water system I posted my question on Diynot but it ended up being five pages and couldnt get to the bottom of it and I thought worth asking the elders on here for their view - Hot water temp is 40 Degrees - Ideal Mexico 2...
  17. O

    Hortsmann Economy 7 Boiler Timer

    hello me and another student have just moved into a flat that has a Hortsmann Economy 7 Boiler. currently the timer is set to run for 7 hours with it turning on at midnight and switching off again at 7am. because there’s only two of us this is way more than we need and the amount of time the...
  18. cyberfruits

    Solid fuel back boiler decommission

    Hi We have a vented oil-fired heating system with a coal fire back boiler, this is going to be changed to a sealed pressurized system tomorrow and I believe, they are decommissioning the back boiler. I have only discovered today there is no access to the water jacket, so will it be good enough...
  19. Merton69

    Combi boiler - heating not working

    Hello The heating side of my Ariston Combi A23 has stopped working since a new 3 way valve has been installed. It's been a hugely reliable boiler up until now with regular servicing. When the heating is turned on the boiler ignites and looks to start up but then a few seconds in, knocking sounds...
  20. TeddySam154

    Boiler has started leaking water urgent advice needed?

    Hi, I need some urgent advice. I've Just come home after going out for evening, to discover hallway floor and kitchen floor covered in water. On further inspection I discovered that water was coming from boiler cupboard. On looking in boiler cupboard I found boiler has started leaking water...

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