heating

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  1. O

    flexicom 24cx has Hot Water but no Central Heating

    my flexicom 24cx has Hot Water but no Central Heating. the problem seem to be the analogue switch selector. it looks as if it is stuck on the off position and won't move to the timer or on position. Is it that I do not know how to move it??
  2. S

    LED downlights and heating pipes

    Evening all. New to the forum and was wondering what peoples thoughts were on installing downlights near plastic heating pipes ? I was planning to install some enlite E6 LED downlights in my hall way. I somehow managed to pick a spot right in between a couple of pipes. Looks like I'll need to...
  3. I

    Thermostat stopped clicking/no central heating

    Hi guys, Had Baxi round to do a service, and immediately after the central heating wasn’t turning on (hot water is fine). Had them back out and they said the boiler is fine, it must be a faulty thermostat. Replaced the thermostat today, and still nothing. When I connect the live and call...
  4. L

    Underfloor heating with economy 7 ?

    Hi everone can anyone advise me on two things I'm having underfloor heating fitted and want to run it on my economy 7 Has anyone managed to do this and how could you control the input? What sort of electric metre could be used? Bearing I. Mind it turns off during the day so won't have...
  5. S

    Under floor heating over 3kw

    Hi guys Being to a job today where the builder has installed some electric under floor heating Total area is 20.5 m2 The mats are 150w per m2 The total load is just over 3kw. He has first fixed the wiring and checking it he has used a socket wired off the ring main to spur off to a switch...
  6. J

    Electric heating advice

    Hi folks, A relative of mine has recently brought a small flat and needs some heaters installed. There is no gas supply to the property so electrical heating is the only solution however I am a little out of touch with what's currently available as I moved away from install work some time ago...
  7. D

    230/250 V Contactors Buzzing/Hot

    Hi. I've got some lighting & cooker contactors buzzing & overheating.. There are a few old ones in situ with visual thermal damage. coil rated at 250V I have new ones that are quiet but still warm to touch the sides. coil rated at 230V I've read that the 230/250 AC coil contactors dont cope...
  8. EricMark

    Central Heating and the modulating boiler.

    To start with it all seems to make sense, the TRV measures the room temperature and controls the radiator temperature to suit, as the water flow is restricted the by-pass valve lifts, and hotter water is returned to boiler, so the boiler is throttled back (modulated) so the heat exchanger is...
  9. B

    Gas or Electric Heating

    Does anyone have knowledge on how the Lifetime cost of gas and electric compare in a domestic application. Almost by default gas central heating is installed assuming that it’s cheaper option.
  10. S

    Central heating problem.

    Hi Folks, Any advice/assistance would be much appreciated on this painful problem! My Honeywell programmer is jumping from "Off" to "Auto" automatically, randomly and seriously annoyingly! I have replaced the programmer but no joy. Any thoughts? Stoffel
  11. 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...
  12. 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...
  13. 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...
  14. 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...
  15. 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...
  16. 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...
  17. 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
  18. 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...
  19. 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?
  20. 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...

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