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  1. A

    Installing an Air Source Heat Pump

    Hi all, Has anyone installed this air source heat pump. I found it on ebay 12000 BTU HEAT PUMP INVERTER SPLIT AIR CONDITIONING CONDITIONER WALL MOUNT UNIT | eBay -...
  2. K

    Where to source 1/8" 40tps faceplate screws for old style MK grid switch banks?

    Hi All, I'm doing a job at the moment where there is an old style MK metalclad grid 12 switch bank which has the cover held with one screw and duct tape(!). It needs three more screws for the faceplate but they're imperial and I can't find any. The dimensions are: -1/8" diameter -5/16" long...
    • Kitchen10
    • Thread
    • faceplate old screws source style switch where
    • Replies: 11
    • Forum: UK Electrical Forum
  3. D

    Help me source one of these...

    Please! Cyber pint for anyone who can help
    • Dave the spark
    • Thread
    • circuit module protection source these
    • Replies: 5
    • Forum: UK Electrical Forum
  4. Jackflash

    new wiring of Y plan

    Hi Guys, Does anyone have any tips on wiring a boiler with mid position valve. I've been rewiring a house and have had the job of wiring the boiler dropped on me by the plumber. I have a.. Worcester boiler Center mid position valve Honeywell RF Chronotherm 'wireless' programmable thermostat...
  5. Pete999

    Resource

    Wiring Regulations - BS 7671 -...
  6. sythai

    New to me : Air Source Heat Pump

    Hi Chaps Starting 3 new builds shortly. Had brief chat with plumber today over phone, mentioned that an air source heat pump will be part of the set up. Pressurised system with buffer tank, UFH ground floor & rads first floor. It's a first but never had anything to do with air source heat...
  7. Midwest

    Free Calibration

    Hope this hasn't already been posted, Trade Skills 4 U (a forum sponsor) are offering free calibration at their new Warrington facility; Free Calibration Morning -...
  8. H

    External Cable Clips

    Hi Does anyone recommend any good external cable clips other than the standard ones with the nails. Looking for something good quality, preferably something that can be screwed in to the wall Thanks
  9. grumpyjohn01

    Electric Underfloor Heating as Primary heat source under Engineered Wood?

    Hi all, Looking for advice, I am an experienced electrician and have been asked by a customer to install electric underfloor heating throughout a converted victorian chapel as a primary heat source. The customer is open to all options. I am intending to have a professional appraisal from a...
    • grumpyjohn01
    • Thread
    • courses degrees electric engineer engineering going heat heating primary problems salary source students system under underfloor underfloor heating
    • Replies: 2
    • Forum: Central Heating Systems
  10. C

    Trying To Source A G9 Dome/shroud

    I am trying to find a replacement shroud / dome for a G9 light fitting. The shroud / dome I need has an M8 female base thread. It is 28mm high (excluding the separate lamp holder) and has a 20mm outside diameter. The shade will not accept a larger diameter fitting. I cannot find the shroud /...
  11. Dan

    Who Are Our Resident Green Energy / Solar Experts?

    Just wondering who our resident solar experts are.
  12. 7

    Help on Mitsubishi air source unit wiring

    Hello all im currently first fixing for a Mitsubishi outdoor unit- puhz-sw120vha indoor unit-ehscmec the system has an air course unit located outside, joule cylinder in loft, hydro box next to fuseboard manifold for under floor heating downstairs which I have ran all my three core wires for...
  13. M

    Distribution Board, Blakley, MDA, 1600A 4P Incoming MCCB

    Hi everybody! We are selling used Standard 1600A Mains Distribution Assembly In order to maximise the flexibility of standard high current MDAs, the incoming and outgoing MCCBs incorporate electronic trips, which can be easily adjusted on site from 40% to 100% of the nominal rating. The...
  14. A

    High Electricity Bill Source

    I will try and keep this as brief as possible while giving the relevant details; My gran is having problems with her electricity bill, she uses Gas for Heating and is using (on average over a month and a half) just under 16 units a day. (Having looked online, I found a ROUGH guide to be about 9...
  15. C

    air source heat pump problem

    Recently notice a drop in performance of one of my heat pumps used for heating hot water. The normal temp rise through the HP is around 8 degrees C but has recently dropped to around 3 degrees C. The pressure guage shows approx 100psi with the HP OFF rising to approx with the HP ON but I don't...
  16. V

    air source heat pump - forward planning for cables to install

    hi I have wired up various central heating systems, y-plan, s-plan, under flooor etc . but i will be doing an air source heat system. They have not yet purchased the pump, but i am on with first fixing and i am wanting some advice on what cables are needed before any of the plans / instructions...
  17. V

    air source heat pump, forward planning for cables to install

    hi I have wired up various central heating systems, y-plan, s-plan, under flooor etc . but i will be doing an air source heat system. They have not yet purchased the pump, but i am on with first fixing and i am wanting some advice on what cables are needed before any of the plans / instructions...
  18. J

    NICEIC Certification Scheme safe isolation- the niceic way!

    niceic initial assessment tomorrow! woop woop Seek permission to isolate isolate, locked off with signage- keep key on you prove my gs38 approved voltage indicators on a known source (will use supply side of main switch?) test between L-N,L-E,N-E for voltage re-prove voltage indicator on known...
  19. D

    12v PIR -- CODE SL099 - -FORMERLEY MADE BY SMITHS/TIMEGUARD

    I need to replace some 12v outdoor PIR`s formerly made by Smiths, then Timeguard. The CODE is SL099 easily found on Google. However, they are nowhere to be had as they have been discontinued. They send a signal to the mains control box (CODE SL055) which controls up to 3000W of lighting and...
    • DJM1577
    • Thread
    • 12v advice code pir source timeguard
    • Replies: 1
    • Forum: UK Electrical Forum
  20. F

    Display energy certificate open source software

    Dear all, I am a student and as part of my thesis there is a high need to perform a DECs calculation on a set of buildings. Of course the overall process is not related to a commercial process and therefore this is not related to the standardized method. So my question is if there are open...
    • frag
    • Thread
    • buildings certificate display energy generation process related software source
    • Replies: 0
    • Forum: UK Electrical Forum

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