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  1. M

    help with zone control on a underfloor heated Mitsubishi pre-plumbed cylinder and ASHP

    Hi, I am having some troubles keeping my house and rooms right temp. I have pre-plumbed cylinder, Mitsubishi ASHP and controller running a two zone underfloor heating setup. https://heating.mitsubishielectric.co.uk/ForInstallers/Documents/FTC4%20Cylinder%20Install%20Manual.pdf I have obtained...
  2. M

    what to treat oak breakfast bar and sink surround with

    Hi I have a nice oak round breakfast bar that is untreated. I want to treat it with something to protect it from water and staining. Can you recommend a product please? I also have a piece of oak sideboard that a bathroom sink is on that requires the same treatment. Thanks
  3. M

    corner trunking

    Sorry, this could fit in various part of the forum, but i figured you guys and gals are the most likely to know. Does trunking exist that will fit into a corner of a room to provide a 45 degree finish? So the trunking would have to be triangular shaped to achieve this. if so where can i...
  4. M

    can anyone recommed a CH engineer / plumber in st.ives cambs

    not sure what you call yourselves nowadays. Preferably someone active on here but not essential. Anyway I need to get my heating sorted baby on the way. Any one of my rads will get hot on their own so I know there is no blockage but with the system running I just cannot get the house warm...
  5. M

    easiest question of the day

    what is smallest (workable) width oval conduit for a single 2.5mm cable
  6. M

    how to and wiki

    just some random thoughts why is there a how to and a wiki there are three different search boxes on this site (at least) forum wiki and homepage the latter really just gives you shop results (i realise you can turn this off but it is the default)? i guess its some legacy thing why not...
  7. M

    cable derating

    how far do you allow a cable to run before you will derate the cable. most CU's i have seen have the cables incoming all bunched and should as far as i can see technicially be derated but i guess you use some common sense here and say if its less than x then dont bother? have i missed some...
  8. M

    appendix 15 p362 of the 17th states....

    cables should, wherever practicable blah blah blah. ..... regulation 523.6.6 but there is no 523.6.6. am i going mad?
  9. M

    2382 Question

    I got this question wrong and would like to know why A 30Amp Semi Enclosed BS3036 Fuse receiving a prospective fault current of 130A would disconnect in a. 5.0sec b. 1.0sec c. 0.4sec d. 0.2sec Please can someone explain the correct answer and how they came to that answer (already...
  10. M

    needles and haystacks

    i know this is going to be a bit difficult to answer but i noticed that neither the upstairs or downstairs mcb for the lights would actually switch off the lights on their own, so i worked out the most likely cross was on the stairs and indeed someone had installed a single gange single way...
  11. M

    PIR testing

    Is anyone able to detail what tests are performed in a PIR, or have a link to some more info? eg earth loop impedance testing Thanks
  12. M

    low power downlight recomendations

    I am after your suggestions for low power downights, (both the wife and the layout of the room prescribe downights) i see there are different solutions such as led, cfl etc but i am really after the most efective replacement for the heat and running cost. Many thanks P.s I prefer the...
  13. M

    extractor fans and building regs

    are these compulsory in utility rooms or W/c's?
  14. M

    dp isolator

    Im having my meter replaced in a few weeks and would like to get the person to wire in an isolator while they are there so i can later replace the CU, can someone point me at a suitable product so i can have it ready for when they arrive? thanks in advance
  15. M

    Lots of regs questions

    I have lots of questions. Extension of an existing lighting circuit - Can one run two sets of 4 x 50w downlights off a radial extension from the lighting circuit on 1mm T&E. for the switch the wiring will be less than 50mm below the surface but within the safe zone, does this need...
  16. M

    Killer washing machine drum

    Hoover WDM120 I have a problem with my washer dryer where the drain pipe keeps getting cut through by the weight (concrete block) that balances the drum. I have even tried gluing an old credit card on top of the pipe to protect it from the block moving around, but it wore through this...
  17. M

    Hoover WDM 120 washer/drier /dryer (save me from the wife!)

    Hi all, i have had a good read of some previous posts etc and would just like to run this past some of you. The problem started when the drain pipe at the bottom of the drum split (rubbed against the weight) and leaked onto the drain pump. I replaced the pipe but now the machine doesn't...
  18. M

    pressure of an Aqualisa Axis pumped shower

    does anyone know what bar the pump will output specifically the AX8415 .. but i guess the pump/control unit are the same on all of them. Many thanks
  19. M

    Myson Economist 40/55BF and LPG

    Does anyone know a) how old this boiler is likely to be? b) if it was ever capable of running on LPG through a cenversion. The reason i ask is i have just had the boiler removed to replace it and there is a plate that states Natural Gas Only. I used to get through 2x47kg bottles every...
  20. M

    BTU's and boiler question

    Hi all, My first time here and i have a few questions. My lounge is 20ft x 12ft with an open chimney, double glazed window and double glazed french doors. I only have one rad 2200x600 single skin/convector ( i think thats right ). What would be the BTU output of this rad...
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