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  1. S

    heating a swimming pool

    whats the cheapest efficient way of heating a swimming pool gonna be about 25mtrs/15mtrs im thinking air source heat pump
  2. marksparky

    ground source heat pump!?

    hi folks have a job coming up to price and heating is underfloor via a gshp, single phase supply and running on econmy7 tariff i believe, i havent wired a heat pump before and waas wonderin if some of u hav any experience in this type or similar system and cud give me some pointers as to wat...
  3. D

    Where might I source these sockets and plugs?

    I can find them on cpc: 4795.0000. - SCHURTER - REWIREABLE 16A, FREE SOCKET | CPC But I'd like to have other options available. I'm looking for what cpc call 'chassis in', male and female, ie plug and socket, and also for power supply leads in a rewireable plug and rewireable socket. This...
  4. M

    old imperial conduit

    hi there does anyone know where i can source a 3/4 conduit die have got a stock etc thank you
  5. K

    Air Source Supplier / Thermal Stores

    Has anyone got any recommendations for suppliers (trade) of air sourced heat pumps and thermal stores?
  6. TaffyDuck

    Advice on Air to Air Heat Source System please

    I am thinking of fitting an Air to Air heat system into my house to offset the increasing cost of oil. The questions I have are that I am looking at fitting a 6kW system. Because of the layout of the house I am hoping to put the internal unit in the downstairs hall at the front of the house...
  7. G

    Whats the next big thing in Renewables

    HI all, What do you guys think the next thing will be with renewables, or what other areas are there thats worth it now, Heat Pumps,Biomass?? looking at something else other than PV now that seems dead, i assume that if you have the quality management system in place its pretty much the same...
  8. ringer

    Where to source IEC power leads?

    Can anyone recommend where to bulk buy (25+) IEC leads? And what kind of price to expect to have to pay? This is for replacement leads to offer customers if/when their computer power leads fail PAT tests.
  9. Z

    LENR energy source

    Check this link for New/old energy source.Videos | E-Cat World
  10. F

    Looking to source a Dummy SMA Invert

    I have seen Dummy Inverts (SMA HF) in all the trade shops and trade shows back when the "Gold Rush was on...#~!~## Barker". Any how I'm due to have a stall in the Local DIY store, I Would like a Dummy Inverter, and Perhaps even a PV Panel. I had seen one (PV Panel) months ago on Segen but cant...
  11. R

    MCS for Heat Pumps

    Evening all. This may be of a strange request but we are a MCS registered company installing PV systems but are looking at adding heat pumps to our company. As you will all know in order to become MCS registered you need a job under your belt to be assesed on, basically i'm trying to find...
  12. G

    Who has experience in "HEATING WITH ICE" ?

    Has anybody got experience with heating a house with ice via a heat exchanger. I think it could be an interesting way of storing the excess PV-Kwh produced during sunny days for the winter, seeing the export is a mere 3.1 Pence and once smart meters are installed one might get stung for...
  13. T

    Installing Air Source Heat Pumps

    Hi, this is my first post. I am an apprentice wiring up a hot water cylinder cupboard(i think someone qualified will check it later!) I have a 10 core cable coming from the roof for the ASHP and have fed it into the junction box, along with cables for the time switch, 3 way valve, pump...
  14. L

    Which source drive the star delta contactor

    Hi sorry for my newbie question, I've a question about a star delta starter. What exactly drive the mechanical contact in contactor, is't AC 240/220V separate source from L1,L2,L3? thanks.
  15. K

    Daikin Air Source with JGuest accesories problem??

    Hi, Its my first post so please bare with me. I have had limited experience on central heatings before but I now have a contact involving air and ground source heating. I have pretty much first fixed what i believe is right. a daikin air conditioning unit supply requiring an 18amp supply A...
  16. S

    Proving Unit for assessment

    Ay up each...I have my Elecsa assessment coming up and my proving unit has gone astray...do I need to replace it to pass my assessment...? Cheers
  17. polo1

    3 Phase query - help!!!

    Hope it's ok to post here and on the general forum!! What would cause me to lose indication of a phase when aplying a load to that particular phase?It only happens when certain circuits are closed/loads applied. Thanks. PS It's a 3P&N Sub board with no isolation and I cant source where it's...
  18. D

    Zs on ground source heat pump

    Test readings on ground source heat pump are showing R1 + R2 as 0.03 ohms, zs reading taken at rotary isolator for the pump is 0.27 ohms. Protective device is a 63A type d mcb, run of cable is approx 7 metres, wired in 16mm t & e, ze is 0.11 ohms, max for a type d is 0.15 ohms so i'm well over...
  19. D Skelton

    Bathroom extractor fans and 3 pole isolation: A source of much controversy

    It would seem that whenever the topic of bathroom extractor fans comes up, triple pole isolation has always been a rather debated subject. There are those of you who talk about not having to fit an isolator if there's a window and there are those of you who say that an isolator should always be...
  20. S

    Garage supply source connection problem

    I have fitted new garage csu to supply one strip light and 1 double socket. Supply to garage csu is 4mm swa which runs from the detached garage back to the house and up conduit to the outside meter box. Problem is that the house is a new build with lovely plastered walls and house csu is high up...

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