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  1. M

    Crack Repair in Westmoreland Slate

    Hi all, I have some stone (20mm thick Westmorland slate ie green) kitchen worktops to repair - the substrate was not up to the job and has differentially moved, cracking the tops in several places at weak points; along natural planes of weakness in the stone and where there are cutouts for...
  2. M

    'DIY' Air Source Heat Pump (ASHP)

    Thanks, Stem... Perfect! And for anyone else looking for such a thing, search for 'quick connect' or 'easy fit' + 'heat pump'.
  3. M

    'DIY' Air Source Heat Pump (ASHP)

    Electrical issues aside, I'm looking for a simple ASHP (to air) that does not require installation by a certified heat pump installer ie one where the refrigerant side of things arrives as a sealed and pre-charged unit which 'sits in a hole in an outside wall', kinda thing... Does such a beast...
  4. M

    Low Pressure Mains Hot Water Pump

    Hi all, I have a relatively low-set cold water header tank in a house due to the equally relatively low roof ridge height. The cold water to all taps is at mains pressure (which isn't fantastic here - maybe 2bar, tops). Downstairs hot water pressure is just about acceptable but upstairs is...
  5. M

    Garage Door Euro Cylinder Lock Can't comply With BS3621... Not Insurable!

    Thanks for the replies:- Nozzle - I could, but the existing wicket door look rebate is preformed in the aluminium frame and to put something else in would almost certainly require cutting a significant amount of aluminium - and probably weakening the frame, but if all else fails this will...
  6. M

    Garage Door Euro Cylinder Lock Can't comply With BS3621... Not Insurable!

    Hi, I am going around the twist with this... I run a small business from home. I keep some stock in my garage which has a Hormann up&over door with a normal sized wicket door in it. The main garage door is about 4.5m wide and 2.0m high and consists of a very robust aluminium frame with ply...
  7. M

    Type A RCBO?

    I came across this (old) thread trying to find a 'Class A' type RCBO for my EVSE (EV charge point) installation. I thought I would add to it for the benefit of anyone else researching the same issues. Firstly, a Class A RCBO is required under the regs ... (from...
  8. M

    Overcoming Low Multiple Tap Flow Rate With A Booster Pump

    Hi, I have a thermal store (TS)-based HW system which supplies 14 hot taps in all (including 2 baths, 6 sinks, 3 showers, 1 washing machine, 1 dish washer and 1 bidet). Obviously not all of these are on at the same time! I have 2 heat exchangers (HX) on the TS which consist of a high...
  9. M

    Scantronic Ion-40 Commissioning Keypad Fault

    Hi Hoover, Thank you for taking the trouble to reply. I had only used a Response SA5 system before. I actually rather liked it from a user and installer POV - it seems well engineered, speech dialler included, reasonable range on the wireless side, adequate range of detectors etc… and...
  10. M

    Scantronic Ion-40 Commissioning Keypad Fault

    Hi, I'm trying to install an Ion-40 panel with wired keypad. At the first mains switch on (with back-up battery and wired keypad connected) the manual says you should get option A and B on the keypad display. I get this on my display but the entire left side of the keypad buttons...
  11. M

    Hi, Did you ever get this sorted out? MW

    Hi, Did you ever get this sorted out? MW
  12. M

    fitting carpet gripper on a stairs

    Can't believe this is causing so much confusion - OK, it would help if the stair manufacturers label said "Don't nail - use Glue OR Screws" but it's not like screws are a new invention! And before 'the professionals' start whinging (like here... http://www.youtube.com/watch?v=O8WkdYsuScA )...
  13. M

    50L pull out full height waste bin for 600 wide kitchen base

    ... Unit. SURELY someone makes these. Ive already got my recycling sown up in another cupboard. What i need now is a bin that'll take a propper size bin liner - ie 50 litres or so and ideally a wee food waste one next to it (5 to 10 L) for a 600 wide base unit. Cant find anything anywhere...
  14. M

    240V AC Mains Contactor Rating

    Hi and thanks to you all for all your comments. I checked my main supply fuse and it is, in fact, 100A so I should not have any issues there. Had I not bought my 3 core, 6mm, hi temp flex already, using a separate circuit (and contactor pole) for each element would have been a very...
  15. M

    240V AC Mains Contactor Rating

    OK, couldn't wait for a reply so asked Chint (lots of their stuff on eBay)... The power (or currant) rating specified is per pole so for example the CHINT NC-0901 (9A 4kW on ebay for under £10) can take 9A on each of its 3 poles. Further, Chint say that if you parallel three poles up for use...
  16. M

    240V AC Mains Contactor Rating

    Adam_151, Thanks for taking the time to reply. This is a pic of the head of the IH... As you can see, all the L's & N's are separate (although the N's are all linked together currently). I have an 80A main fuse and although I am getting a bit high in my amps with both IH's running...
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  18. MW

    MW

  19. M

    240V AC Mains Contactor Rating

    Hi, I'm trying to source suitable contractors for a pair of fairly chunky immersion heaters (IH) for my thermal store (TS). Initially I wanted one 6kW and another 9kW IH - these were supplied with the TS. The 9kW IH has 3 separately wirable elements for a 3 phase/415V supply but (according...
  20. M

    Sticky 2-port valve

    I appreciate this is a rather late reply but others may find it useful and a serious money saver. Like you, I discovered my switch was stuck on in the central heating circuit causing the boiler (and therefore boiler pump) to continuously run. Apart from the noise and waste of power and oil...
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