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oil boiler

  1. J

    Replacing my old flash immermat timer to a hive thermostat - H & HW V4 with hive nano hub

    Hi All, Please see image below, how can I wire up a hive v4 wireless heating and hot water smart thermostat from a old flash immermat timer for oil boiler for house heating and hot water? Old flash immermat timer To Hive V4 Wireless Heating & Hot Water Smart Thermostat White Thank...
  2. C

    Oil boiler CH pipe work questions?

    I am currently renovating a house which is running a vented back boiler system for the central heating and hot water. This is being removed and I want to have an oil Combi installed (professional install) but I want to do the pipe work with in the house my self. There is already an oil tank...
  3. M

    UFH condensing oil boiler short cycling

    In the summer I replaced a massive Warmflow Bluebird 200 oil boiler holding 50L with a Grant Vortex 36-46 holding 21L. As its colder I have now switched UFH on but boiler short cycles every minute once up to heat. There was no short cycling with the Warmflow boiler. The UFH is set to 45c flow...
  4. D

    Worcester greenstar danesmoor 12/18 oil boiler

    I have a worcester greenstar danesmoor 12/18 oil boiler. The boiler worked fine last winter but when I tried to turn it on , it will not ignite. The fan comes on and I hear a clicking sound. When the burner is out I do not get a spark, but i do get fuel. I have tested the photocell and it...
  5. W

    Which Oil Boiler

    Hi I am about to order a new oil combi boiler and installation, and I am confused over what size boiler. I got three quotes, two of which quoted in person and said two different sizes. One suggested 18/25 and the other a 26/35. Putting aside the cost difference of the boiler, the engineer...
  6. G

    Grant oil boiler questions

    We've moving into a new house with an oil boiler and I know very little about theses systems. The sellers are elderly and getting details on how the system works is proving tricky. They have it serviced etc and says its all in working order, but I'd like to understand what I'm going to be...
  7. B

    Oil boiler baffles corroded and warped

    Hi everyone, We have a new Warmflow oil boiler (max 2 years old) in a rental house. It's not working and my tenant got a boiler plumber around, who reports that "it needs replacing as the baffles are corroded and warped beyond repair. He said he can’t turn the burner back on again safely". I...
  8. W

    Replace EV Flexi hose

    Hi Is it possible for a DIYer to replace the flexi hose leading to the EV on a grant vort pro boiler? I tried to reenergise the EV but it won't let any air in. The hose does look a bit twisted and knackered. What would I need to turn off and release etc.? Thanks
  9. B

    Programmer wiring

    Hi How would you wire this new programer to the old wiring for an oil boiler Terminals don’t match up
  10. W

    Expansion vessel full of water

    Hi Sorry for another expansion vessel question but I can find this asked previously Had my boiler service yesterday and the engineer said it is full of water and it needs to be drained. He didn't mention anything about having popped. I pressed the valve and zero water came out. I replaced the...
  11. U

    Ran out of oil

    Hi all We stupidly ran out of oil and have since refilled the tank. We know that it probably needs bled first so have been trying with no success to bleed it and reset. The first problem is we are unsure which is the bleed valve as ours looks different to every other one we've seen (it's a...
  12. H

    Riello Oil Burner Lockout light boiler appears to work fine

    Hi. I've got an old Camray 5 Combi Boiler with Riello burner. Boiler has not been on for 6 months. Fired up today and red lockout light appears just before burner ignites. Central heating and hot water appear be working fine. Boiler does not lockout or requires to be reset. Flue appears fine...
  13. W

    Oil Boiler Soot

    My oil boiler is producing black smoke and soot. Didn't really notice it but as its on more it's pretty clear and getting everywhere. The soot has been fine but last night it produced relatively bigger chunks for a period, now they're back to small. I have a service booked for Tuesday, does...
  14. R

    B11 oil burner troubleshooting

    Hi, thanks for reading. I have a Worcester Bosch Heatslave 20/25 fitted with an Inter B11 burner. Yesterday the whole boiler was dead including the control panel. I replaced the control panel fuse which had blown. The Control panel came back to life and the fan started and just ran and ran...
  15. R

    New Boiler - Kitchen or Utility model

    Looking to get a new oil boiler. Old boiler is a Worcester Bosch Danesmoor 15/19. Going to replace more or less like for like, but given a new extension going to go for a slightly higher powered version - 18/25. Question is whether to go for the 'Normal' or 'Utility' version. The only...
  16. R

    DOES HIVE THERMOSTAT WORK ON GREENSTAR HEATSLAVE 18/25

    Hi all, I am looking to get a Hive thermostat installed but wasn't sure if it was compatible with our oil boiler as I recently found out the Google nest wasn't. Any help and advice would be massively appreciated!
  17. W

    External oil boiler

    Is it possible to install an external oil boiler in an old out door store cupboard? This model does not have a sealed flue available, but then because the space only has the boiler inside it and is not air tight, is this important? I could even replace the door with a louvred door if that would...
  18. D

    Grant Combi 90 MKII Issue - Any help or advice greatly appreciated!

    We have the above Oil Boiler. Had a selection of new parts fitted over the last 12 months (see below). Everything has been running fine for about 6 months since last repairs. Over the last couple of weeks, any time the CH is switched on, it fires and heats as it should but once the heating is...
  19. R

    Danesmoor 15/19 intermittent immediate lockout

    Morning all. Another lockout issue with my elderly (Yr 2000) Worcester Danesmoor 15/19 oil boiler. It runs fine most of the time, but on restart sometimes it just doesn't fire. It doesn't seem to happen mid-run, just when it is restarting. The motor and fan runs, and I hear one click (from...
  20. S

    Reillo G40 burner locking out after at least an hour.

    Good afternoon Ladies and Gents, I have a customer whose boiler locks out periodically after at least one hour. My initial thought was the oil supply and checked that and the filter, replaced nozzle and oil supply hose. Ran fine, obviously I can't wait for it to not work. Pump pressure was...
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