combi

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  1. Dave OCD

    Supply for Combi Boiler - RCD required ?

    Allright chaps I have to connect a new Combi this Saturday morning, intending to fit a 3 amp fused switched FCU and take the supply off a handy socket [about 2 feet away and on a RFC not a spur] The consumer unit is an old MEM with cartridge fuses and there's no RCD, [TNCS system with Ze of...
  2. N

    what drill?

    thinking of finally getting a new drill on payday since i my sister and her partner have taken their spare titan 10.8v back. i have several projects to do around my smallholding which require drill into wood and screw driving. also, since i am starting college in September and will be taking...
  3. N

    Combi Boiler size?

    What would be the most suited and efficient combi Boiler size for; 3 bed house Shower room (combi) Bathroom with electric shower. I've been looking at the Valliant 28kW and Worcester 30kW. Thanks
  4. T

    converting a combi to a system boiler

    Hi Chaps im working o a combi boiler that has been converted to a system boiler,the combi has a 2 channel time clock and we are installing a tank and s plan has anybody got any info what to do with the combi wiring.thought this would be easy but ive been told its a tad difficult.cheers twodds
  5. T

    Combi with zone valves!!!

    Hi guys, first ever post, so here goes. Been connecting a heating system today in an extension we have been carrying out. Worcester Bosch Combi with 2 x new valves, one for existing radiators, one for new under floor heating throughout the ground floor. The ufh system is Upinor which has it's...
  6. Loki

    Makita DHP453RM 18V 4.0Ah Li-Ion LXT Cordless Combi Drill

    Hi everyone, I'm looking at getting the Makita DHP453RM 18V 4.0Ah Li-Ion LXT Cordless Combi Drill from Screwfix & wanted your opinions on if it is any good? It does have a lot of good reviews on the Screwfix website Makita DHP453RM 18V 4.0Ah Li-Ion LXT Cordless Combi Drill | Cordless Combi...
  7. ses

    Dewalt 18v xrp lithium combi hammer drill bare unit

    Dewalt 18v xrp lithium combi hammer drill bare unit For sale just been serviced a few weeks ago by dewalt I bought a new one while it was in for servicing as i couldnt wait for it to come back £60 us postage Or collection from hammersmith london
  8. P

    Honeywell programmer

    Called out because the Honeywell digital timer(does ch & hot water) blew up!! They've recently had a new combo boiler fitted.. Which is temporarily connected to a supply but the timer etc has been left disconnected!! Plumber thought there may be a faulty/damaged cable, But no breakers/RCD...
  9. L

    SDS or Combi drill?

    Hi all, I am looking at buying a decent drill that can cope with everyday drilling tasks such as drilling through brick,metal and wood would it be better buying an sds drill rather then a combi drill to do these tasks? I've used the- Bosch GBH36V-LiCP 2.9kg 1.3Ah Li-Ion Cordless SDS Plus Drill...
  10. The Solar King

    Which Cordless Drill?

    Perennial question I know. Some little toerag knicked my Dewalt 18v combi drill and tool folder on Friday. Sorting out a replacement. What do you reckon is a good buy at the moment? A little reluctant to spend over £400.00 to replace the Dewalt.....
  11. G

    Potterton Suprima boiler tripping RCD

    RCD for the boiler trips when the hot water light is illuminated. Have done an RCD test to rule that out which was ok - where would be the best place to start to diagnose? Cheers.
    • golfpaul
    • Thread
    • boiler combi light potterton rcd tripping tripping rcd water
    • Replies: 5
    • Forum: UK Electrical Forum
  12. D

    warm air unit and combi

    Hi all, after some help if anyone has any experience. Has anyone ever connected up a johnson and starley warm air unit that is also linked to a Worcester combi boiler, as i am struggling to get my head around it? The warm air unit is to have a thermista-stat stat connected to it and the combi is...
  13. C

    Knipex side cutters or C.K vde combi cutters 3

    Need a new side cutters! Currently have a ck combi cutters 2 and it's very good, It's blown to bits though, I don't know wether to go for the knipex or upgrade. HELP ME DECIDE!!!!! Please and thank you Colzer
  14. N

    HELP !!! RCD Mystery

    My son and his wife moved into a house about 7 months ago, they have had a new consumer unit and a new combi boiler fitted about 5 months ago and everything has been fine up until now. My daughter in-law phoned the other morning to say that the electric had gone off in the house and everytime...
    • Njay
    • Thread
    • appliances boiler combi help kettle rcd
    • Replies: 8
    • Forum: UK Electrical Forum
  15. M

    Worcester Bosch 35kw condensing combi A1

    Hello all as above approx 10 yrs old electronic version, showing A1, pump run dry, which is running & also pumping round rads & hot water, sometimes last's for hours sometimes minutes, if I can get it through symphony fill. Get hot water & heating, I am thinking a sensor any ideas would be...
  16. robd

    Vaillant combi store cylinder stat problem

    Evening all, A job I am on as an aside the customer asked me to have a look at the heating/hot water system as the hot water is not heating up. It is an unvented system with vaillant boiler and combistore cylinder. Anyway I tested up to the tank stat/cylinder control and found power up to it...
  17. Dan

    Makita Combi Drill

    There is as new combi drill coming out brushless and 125nm worth of torque apparently the side handle may as well be a scaffold pole! Also around the same time there will be a 5ah battery launch! Currently out at the minute is the 36v range but instead of needing an expensive 36v battery that...
  18. S

    s plan with combi boiler

    Wired an s plan recently and used the orange from each honeywell to send a switched live back to the boiler,after removing the link.Is this the best practise way,or should the greys and oranges of the valves be bridged across the control terminals of the boiler,as voltage free contacts?Thanks...
  19. D

    DeWalt Combi on offer at Screwfix

    Hi chaps, it's been far too long! Had an email offer from Screwfix earlier advertising this DeWalt combi with 3 x 1.3Ah li-on batts. DeWalt DCD776C3 18V 1.3Ah Li-Ion Cordless Combi Drill XR | 18V Cordless Combi Drills | Screwfix.com I know 1.3Ah batts aren't ideal and won't last all day, but...
  20. E

    Mr Combi training course

    A big gap in my knowledge (amongst others I can humbly admit !!) is boiler wiring. I read in professional electrician magazine about mr combi courses. As someone who knows not a lot about heating I was wondering if this course would be good to give me the basics. I can follow wiring diagrams...
    • Eddiesparks
    • Thread
    • boiler combi course diagrams heating training training course wiring
    • Replies: 5
    • Forum: UK Electrical Forum
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