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  1. J

    Boiler Tripped RCD

    Hi all, UK: The RCD on the circuit my boiler is on has tripped, I have a water supply issue in my area today and switched on my hot tap for a moment or so and there was low pressure, could the low level of water in a modern boiler (Logic) cause the RCD on the consumer unit to trip? I'm unsure...
  2. T

    Wireless Controls for Boiler (Kinectic switch?)

    Greetings, Newbie to the website here, after some advice. Had a job land on my toes by a builder friend of mine. S-Plan boiler to wire up. Turned up and the boiler is outside the house with a 230v supply The water heater, aswell as the two port valves controlling Hot Water and Central Heating...
  3. G

    UK Should combi boiler be on dedicated circuit.

    (DIYer first time post) I Purchased a property in 2021 which had just had a full rewire by a reputable company(allegedly) a month before i moved in, previous owner organised and paid for this. I recently changed my bathroom extractor fan and was surprised to find the fan, bedroom lights, and...
  4. C

    Help. Boiler leaking (heater exchanger connection)

    Does anyone know why water is leaking on that connection. Vaillant ecomax 824/2 E, It's heater exchanging connection, the one which is secured by the clamp (there is no rubber seal? -how does this even works ??)
  5. R

    Boiler side connections for UFH wiring centre

    I've been away from electrical work for about 30 years so I'm not familiar with all the names and terminology that's been introduced over the years. We're having UFH heating installed. Plumber is doing the pipework, s-plan etc and I'm installing a Heatmiser wiring centre. for the electrical...
  6. M

    UK Radio switch for boiler seems dead

    Hi, picture attached. I have UFH on ground floor and 1st floor, each with their own manifold and their own control box for the actuators. By chance I discovered that there were two live feeds into these control boxes: on from the 3-pin plug that sits beside them, and the other feeding back into...
  7. 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...
  8. 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...
  9. 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...
  10. R

    Wiring condensate pump to green star compact 32i boiler

    Afternoon , I have been asked to wire in a Plumbright PR 20 sta condensate pump. The pump has a live neutral and earth and a separate float cable with two wires attached. I am a little unsure with wiring as have no diagrams etc. I am assuming in a green star I can use the LNE supply terminals...
  11. 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...
  12. 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...
  13. 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...
  14. 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...
  15. 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!
  16. 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...
  17. 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?
  18. 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.
  19. 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...
  20. 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.

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