central heating | Page 2

central heating

  1. J

    Central heating wiring salus ep210

    Hi there just to ask on wiring for a salus 2 channel programmer. We only have the boiler coming off this at present. We don't want to seperate the rads and water as yet as this wiring is upstairs! So we are using two channel programmer to basically operate the boiler. We have LNE coming off a...
  2. C

    Nest Thermostat - vacation home setting - hot water / heating

    Dear community, as the Pro Nest are too fare away from my place in Italy, I am seeking here for advice. The actual work will be done then by my local electrician - I am a DIY. Goal: I want to install a Nest 3rd generation learning thermostat (not the thermostat E) including heat link to my old...
  3. A

    Hi, can anyone offer any advice as to why the heating would run when HW is called for?

    Hi, can anyone offer any advice as to why the heating would run when HW is called for?
  4. D

    Boiler tripping main fuse

    I have a grant vortex combi boiler and it has started tripping the main fuse when the programmer calls for heat. Any ideas. Regards
  5. E

    Nest thermostat e installation

    Hi I want to replace my current Honeywell CM927 with a Nest e. I'm having some trouble identifying the correct wiring. Please see pictures of current receiver I want to replace with the nest e heat link. Any advice and instructions would be greatly appreciated.
  6. M

    Wifi Connected SMARTSTAT installation

    Hello - I have a Worcester Bosch Greenstar System Boiler. I have a simple Honeywell programmer at the boiler to programme both HW and Heating. I have a Honeywell CM67 programmable roomstat. I have a hot water cylinder with cylinder-stat. All works well but having a WB 30i system condensing...
  7. S

    Immersion heater failure

    I've just rewired my old I.H. and it seemed to be working fine although it was quite noisy. Something tripped the RCD last night and I suspect it was that. Now there is nothing - No noise at all. I don't have the meters to test it unfortunately. Is it likely that it's packed up completely with...
  8. Z

    UK Cable routing central heating wiring centre

    Spaghetti wiring using lots of terminal blocks. Wish to move to Wago mbox. Cable entries too small for cables so need to wire into back of box. All cables are either surface mounted or free running across cupboard. Need to raise Wago away from wall as I don’t really want to bury cables in the...
  9. S

    Can someone please tell me what sort of unit this image is.

    Can one of you kind electricians explain to me what the unit in the image is and the function of the two buttons please.
  10. S

    Vaillant Eco Pro 30 - no call for heat

    Not getting a call for heat when motorised valve opens. There's continuity between switched live on the motorised valve and the RT terminal in the boiler. The valve seems to be operating. The combi works fine on the hot water side. I've removed the 24V RT bridge as per the installation manual...
  11. M

    worcester green star 18 ri boilers and y plan

    so weve had stelrad elan boilers replaced in rental houses with system boilers teh stelrad hadnt died we just thought time to chamge I had a worcester combi in a house in worcester (the tenant worked for WB ) and recomended ok so we specified Wb boilers we lived in one house and the installer...
  12. telectrix

    Landis & Gyr RWB 2 Channel Programmer Central Heating & Hot Water Timer Module

    HELP !!! i need to replace the above. priced at £225.00, client not happy. what i would like from esteemed experts in heating field is ... what can i replace with at sensible cost. connection wise, there is only L and N in and a T/E back to wiring centre in 3 and 4.
  13. A

    Difference between Dimplex Quantum models

    Hi all, I’ve got a question about the Dimplex Quantum High Heat Retention Storage Heaters. I’ve been in discussion with a supplier about these. He’s provided a few quotes. He’s knocked about £350 off the price by offering my the G series Quantums. He says these are exactly the same as the RF...
  14. N

    honeywell ST6200A1009

    hi chaps - need to replace the above - is it available still? don't want to have to interfere with the fixed wiring on the back plate many thanks dave
  15. Z

    Replacement of old honeywell thermostat with mc6 wifi thermostat

    Hi Guys, Hopefully you can help? I just wanted to get some advice on the wiring of the new MC6 WIFI thermostat? I have attached a picture of what I am replacing and the wiring diagram of the new Thermostat. Please also see recorded voltage readings I have taken. Current Honeywell Stat :=...
  16. B

    Can I use these?

    On a rare occasion, I sometimes have to install a different wireless room thermostat (eg Nest) to an Intergas boiler, which come pre-wired. However on this wiring setup they have used (from memory) female barrel type connectors, and all earthing seems to be of the male type. To save me buying...
  17. M

    Regulations: Distance between central heating Pipe and Consumer unit

    Hello Guys Hope you are all keeping well and safe in this unprecedented times. Just wanted some advise please. So Yesterday i had a new radiator installed but the installation required extending pipe work under the stairs near the consumer unit and where the main electric feed into the house...
  18. James

    tank stat help

    I have a customer, a butchers who have a hot water tank to run taps for washing hands and equipment etc. normal domestic cylinder with an immersion heater. stat keeps tripping on over temp and needs to be manually reset. they are using lots of hot water all through the working day...
  19. E

    Water heater

    A customer of mine has asked for a water heater to be installed that will satisfy a kitchen and bathroom. No room heating. Any suggestions.
  20. A

    Replacing Drayton Thermostat with Digital - Wiring Check

    My drayton thermostat (3-wire) stopped clicking so decided to buy a wifi digital thermostat. Digital thermostat dry contact is not wired to the live within the unit unlike the drayton. Can someone confirm my jumper cable position is correct? (i.e. does it matter which side of the dry contact...

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