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heating

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  1. A

    3 Phase heating coil

    Hi. I'm making a 3 phase furnace with heating coils. Total power rating is 5 KW. I have to make one heating element for each phase. How do I split the KW rating? Will it be a straight 5/3? Also when calculating the resistance for each heater, should I calculate based on 220V(single phase voltage...
  2. spud1

    Overall main switch where the installtion has off peak heating ?

    What is everyone's general procedure for provision of an overall installation main switch isolator where an installation has two DB's - one off peak, one on peak? Is it crucial a linked 4 pole main switch be installed to isolate both sets of tails or can a dispensation be made with some clear...
  3. P

    Heating Belt for Brewing

    I purchased a couple of these which arrived today https://www.ebay.co.uk/itm/New-220V...e=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649 The belts are getting too hot. If I could step down the voltage would this make the belts operate at the correct temperature ? If yes then what do I need to...
  4. P

    pre heating water to combi boiler wih solar pcwer

    Some months ago I remember seeing a advert for basically a squarish seeled box filled with bags that are filled with some kind of chemical that can accept a charge using a voltage from solar pv that are capable of heating water before it goes into a combi boiler saving on your gas {have looked...
  5. HappyHippyDad

    Which underfloor heating control panel?

    My customer wants to change her control panel for her underfloor heating. She finds it too complicated and wants something more simple. I have only ever fitted the ones that the customer has supplied along with the underfloor heating. Here is the one she has at the moment: Can anyone...
  6. D

    Fault on underfloor heating mat.

    Hi All I have a fault on an underfloor heating mat which is as follows L-N no continuity (should be around 200 ohms) N-E short circuit L-E clear I need to find the exact location of the fault so I can take a tile up to repair it, I have thought about hiring a thermal imaging camera, just...
  7. S

    Heating s plan testing questions

    Hi guys, What is correct method for testing heating s plan circuit including main fcu, wiring center, 7 days programmer for CH and HW, CH valve, HW valve, cylinder stat and boiler? I do understand how this circuit is operating, but how to do: - Insulation test? I need test all circuit so is...
  8. J

    Help on learning heating systems for domestic properties

    Could someone point me in the right direction for learning everything I need to know on heating systems throughout my apprenticeship I didn’t get to do a lot of it and would like to know my stuff . Thanks
  9. E

    Underfloor Heating Thermostat in Bathroom

    Hi, Is it allowable to install an underfloor heating thermostat inside the bathroom but outside any of the listed zones? We are having a room converted into a bathroom and there is no suitable place directly outside the room to install it, however the new bathroom itself is about 3m x 3m and...
  10. M

    Heating element connection

    Hi have been asked to fix connection on 3 phase printing machine the cable has disconnected for poor connection where cable grab been pressed obviously its not soldered, are there some high temp solder kits available?
  11. M

    Cable routing with under floor heating

    Folks What is the general consensus on the routing of cables for general purpose sockets etc, when the entire ground floor is going to be retrofitted with under floor heating Do you keep out of the floor entirely, leave the space for the plumber and take the long route round Or do you install in...
  12. F

    Fuse box makes humming sound when off-peak water heating

    Video of issue: Hi I’ve noticed a humming from my fuse box when my nightly off-peak water comes on. When I first moved in I had a similar issue, albeit louder / more high pitched. An electrician replaced the contactor at the time. It might be worth noting that that little grey box (I think...

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