boiler

  1. HappyHippyDad

    My boiler wiring has not gone to plan!

    Evening all.. I've got myself into a bit of a pickle with trying to install a hive thermostat. The house has a combi boiler. There are 2 zones.. upstairs and downstairs. In the wiring centre in the boiler there is one 5 core cable going into it. L, N, E and the other 2 cores go to the...
  2. J

    Generator to run oil fired boiler or immersion heater?

    Hi. We've a champion generator, inverter, dual fuel, 3.6 kw, which we've used a couple of times during power outages over the last 18 months to power a fridge (class 1) - needed to keep my partner's meds. at fridge temperature and a range of other items (class 2) such as broadband router, TV...
  3. C

    Extend ring for boiler and outside socket

    DIYer question I need to add an FCU to the kitchen ring for a boiler and also an outdoor socket. I don’t want to extend the ring to the outside socket in case of water getting in. Can I put the FCU for the boiler on the ring and does a 3amp fuse in that have any effect on the overall ring...
  4. dfreitag

    reduce consumption of off-peak hot water boiler - timer?

    Hi there I have 2 electric hot water boilers in my house (in France). They both work with off-peak power, but they run all night long, so they consume way too much Because of this, I'm looking for a way of reducing their consumption. For example, I was thinking if I could replace their...
  5. S

    Boiler Fault

    I’m hoping someone can help with this boiler problem. Couple have just moved into a house that has a Grant Vortex combi boiler. The current setup is a two channel programmer, turn the heating on at programmer & it calls for heat at stat that then returns to CH terminal inside boiler. Hot water...
  6. B

    UK Heatrae Sadia Electromax boiler not powering up at all

    Hi all, The boiler, a Heatrae Sadia Electromax, is connected through a Timeguard timer. It's programmed to run between 20:30 and 22:30 every day and has been working fine until last night. I noticed there's no hot water coming out of the shower. Upon checking, the timer seems to be working...
  7. Londontad

    UK Electric combi boiler

    Hi i have direct unvented cylinder for shower & kitchen tap for hot water (no radiators). 3 people living . Wondering is I can change it to electric combo boiler as it’s saving spaces and it’s only shower & kitchen tap. Not sure what’s requirement ,, Found this electric combo boiler online...
  8. S

    Boiler in bathroom/Carbon Monoxide detector

    Not sure what to do here. I am wiring detectors for someone, boiler is in a small cupboard in the bathroom. Too small to fit the detector as it won’t be 1-3m away & I can’t fit it in the bathroom. What’s best, to fit it outside the bathroom? Stupid place to have a bloody boiler!
  9. JP0704

    Potential boiler issue

    Calling all electrical professionals / boiler tradesmen -WE NEED YOUR HELP! Every so often (twice in the last two days) when running the hot water in the kitchen it trips our electrics (downstairs lights, sockets, cooker and boiler) and cannot be reset for a good 20-30 mins. This only happens...
  10. K

    Why gas boiler want fire using solar hybrid inverter

    Hi my name is Gintas I connected solar hybrid inverter to my house ring supply and it work very well everything except the gas boiler for on demand hot water, the radiator heating works fine any idea why boiler want fire when I open the tap?
  11. Lou

    Worcester Bosch Greenstar CDi Compact Boiler Manual 2024-03-27

    This is the manual for most Worcester Bosch Greenstar CDi Compact Boilers. You can have a look at this if you have a Worcester Bosch Boiler and have lost your manual. This is free to look at and refer to.
  12. frankbiganski

    Gas boiler on RCD but also connected to other wall outlets

    Hi, I have lifetime experience (50+ years) in United States with basic knowledge of split phase 120/240 volts replacing wall switches and sockets. We moved to the UK two years ago (wife was born here) and I am aware of the 240 volt system that's used throughout the UK. I let a flat and with...
  13. F

    Boiler call connections

    Anyone tell me where to connect the two wires that switch the boiler on via the programmer and the 2 wires that call for heat on the ufh control board. Boiler is a grant vortex pro 21 external oil combi condensing. Many thanks.
  14. T

    Moving boiler socket

    Hi, I'd like to move the existing socket that feeds the boiler down to where I've pencilled in that can be seen on the photo. The socket to the left isn't doing anything so I was thinking of blanking this off. The reason for moving the socket is I'm building a larder cupboard around the boiler...
  15. EricMark

    Improving control, oil boiler C Plan

    At the moment it depends on the weather on how well the central heating works, the main problem is the Nest Gen 3 thermostat only measures the temperature in the hall, and it turns off boiler some times when living room not warm enough, but can't move Nest into living room, as one there is also...
  16. W

    Combi boiler query

    So I’ve been having this issue with my boiler for a while now, I’ve currently got one stat in the hall that when I turn it on it brings the heating on. Very basic, it’s low voltage switching. See when I turn the heating off it takes ages to go off, it’ll heat the radiators up to absolutely...
  17. D

    Hive into Remeha Avanta

    Hi. As per header. I just want to make sure I do this correctly. Remove old wires from X9 7 and 8 and link these two (from another thread on here. Is this correct?) X2: remove link between 1 and 4. Hive neutral to 5, Hive live to 4, Hive 3 (live switch) to X2 1 Do I need to link L and 1 on the...
  18. H

    help with my boiler settings!!

    Hi I'm in a bit of a pickle trying to set up my hot water and central heating systems. Got a gas boiler with a pressure tank and a motor circulating the hot water. There are two wall-mounted time adjustment thingies—one for hot water and heating, and the other for the motor. Oh, and there's a...
  19. leccylen

    Wiring Google Nest 3rd Gen Heatlink to Worcester Greenstar Highflow 440 Standalone Boiler

    Hi folks, I'd like to get my Nest thermostat up and running with the gas combi boiler (Worcester Greenstar HIghflow 440 Standalone). FYI - I have tried to get this installed by a professional, but I've been let down 3 times now. 5 of 6 quote requests on the Nest website didn't even bother...
  20. Rod1971

    Central Heating Boiler and Treadmill tripping MCB/RCD

    Good evening, I have recently moved into a new home and I am having problems with the MCB/RCD tripping (Mem M6 Type 3 - 30mA). It intermittently trips when I switch on the Central Heating on and sometimes after running the heating for a couple of hours. The heating is gravity fed, hot water...

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