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boiler

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  1. dominicj

    how should I wire my combi boiler with nest and economy 7?

    It's a worcester combi boiler with heating / hot water connected to the low rate economy 7. There is a nest thermostat controlling the temperature. The issue is that the heating is not very controllable. Should I get the boiler moved from low-rate ecomomy 7 to the high rate so it will be...
  2. D

    UK Internal plug in boiler receiver

    Hi people, I’m new to the forum, first post so here goes. I’m wiring a heating control system and at the moment the customer wants as follows; A JG underfloor heating system, this will be controlled by wireless thermostats, there is a 2 port valve and a wiring centre for the underfloor heating...
  3. J

    Drayton wiser to electromax boiler

    Hi. We are looking at installing a Wiser smart heating system inc. trvs We are currently electric only, with normal rads and a Heatrae sadia electromax combi boiler doing hot water and central heating duties. Control is via a danfoss tp5000 battery programmable thermostat. This is only a two...
  4. A

    Google Nest Wiring (Combi Boiler UK)

    Hi, the circuit is pretty simple however shouldn't the boiler also have a permeant feed for the hot water as terminal 3 is the switch line for central heating?
  5. Gawain

    Electric boiler service

    Hello, I'm hoping someone can help. I've been told I have to do a electric boiler service and I honesty have no idea where to even start. I made my feelings clear about it, but it's unsurprisingly fell on deaf ears. Is this something that I should even be doing (only lv3 & 18th qual) first, and...
  6. T

    Advice boiler wiring

    Hello all Looking for some electrical advice if possible. We had a boiler and complete new central heating system installed in our house 3 years ago. This has been working fine until recently when we had a new consumer unit with rcd protection installed to upgrade. From the day this was...
  7. Bob Geldoff1234

    Boiler off lighting circuit?

    What is everyone's opinion on taking a combi boiler supply off the lighting circuit? I doubt the boiler would pull more than 300 watts and with all the led lamps being used on the lighting circuit,I doubt it would come to more than a couple of hundred watts.A 3 amp fuse in the boiler spur would...
  8. B

    Incorrect supply cable & boiler problem

    Hi everyone…I have a quick query regarding an issue I’m having with my boiler at home. There has been no hot water, the electrician has come out and diagnosed that the supply from the main fuse board has blown the clock and fuse spur. They also found that the cable is a flex cable and not the...
  9. C

    Fused Spur for Combi Boiler from existing spur on bedroom?

    I'm sure this question has been asked to death, so apologies! But just wanted some direct confirmation that my intended wiring setup is going to be completely fine/not fine. I'm currently planning on having my combi boiler relocated to a kitchen cupboard prior to a kitchen remodel. There is...
  10. I

    Boiler or stand alone radiators

    I am renovating a 2 bedroom flat that currently has no central heating and will rent out. Looking to the future I understand electric is best option but confused as to whether I should go with a combi boiler and hot water radiators or Rointe stand alone electric radiators? I cannot find an...
  11. R

    Elec combi boiler supply

    Hi all. My mum has just moved into a flat and it has an electric central heating boiler and a hot water tank/immersion heater for the hot water. I’ve said will look into putting a combi boiler in to free up the space in the cupboard for a washer/dryer. The flat is about 10 years old. The boiler...
  12. Alan-N

    Gabarron Electric Central Heating boiler CMX15

    Got called to look at a Gabarron CMX15 that was dead, discovered the Safety Limiter device on the CH side had tripped, reset it and bled the radiators are recharged to 1.5bar per the manual. long story short it has tripped a couple of times since. Done it today while I was there after only being...
  13. J

    Cable distance from boiler flue internal duct?

    Hello there! Could anybody help me with this query please, I am not sure where to look up the information I need? As I understand it, cables must be at least 25mm from an actual boiler or gas pipe? But could anyone please point me in the direction of any information regarding any regulations...
  14. L

    Electric boiler pump running continuously

    Hello I have a Heatrae Sadia Electromax 9kW electric boiler that does hot water and central heating. Recently it broke and someone from Baxi came to fix it (side note, if anyone knows anyone other than Baxi who will work on this boiler then please let me know, they seem really pricey). They...
  15. Pretty Mouth

    Combi boiler wiring - C1 or C2?

    A combi boiler is wired into a plug, which is plugged into a single socket. The Nest receiver, controlling the heating (heat link I think they call it), is wired into a separate plug, which is plugged into a socket on another circuit. So 2 circuits interlinked, a minimum C2. However, could...
  16. C

    14Kw Electric Boiler

    I would like some advice please. A friend of mine has moved into a small flat. There is no Gas supply to the property and so is looking into having a 14Kw Boiler installed. This would require a 63A breaker on the board. My calculations for Maximum Demand based on the other circuits in the...
  17. Rockingit

    Voltage to boiler fan 'drops out under load'

    Just had a call from an M&E client of mine and good mate asking to pick my brains.... large 3ph biomass boiler with (I assume variable speed) 1ph fans internally. Says he's got 230v L-N/E on the connecting plug but when the fan gets connected there's nothing on the internal fan connections...
  18. Weezy

    Adding an additional zone to existing heating system, should this work?

    So iv got to add a mini one UFH zone to an existing property's heating system, i have already wired in all the easy parts ie. actuator, zone valve, stat etc. however i just need to hook it up to trigger the boiler. iv attached a few images to try and explain things better, the plumber told me...
  19. ETradesmen

    Pulling my hair out with this boiler!

    Hi guys, My parents have just moved into a new build with an ideal S24 boiler. They were complaining that the boiler was firing up randomly so I took a look. I have completely re wired everything correctly (20 years experience, approved contractor) yet it still runs almost all the time. It’s...
  20. B

    Boiler Vs Burglar Alarm

    Hi All, I wondered if someone might advise me on an issue I am having. I turned off my power to replace a plug socket in my house and when I turned the power back on, the burglar alarm started going off. Unfortunately I have just bought and moved into the house and I do not know the codes...

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