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  1. M

    Is something missing on my Megaflo?

    Hi All, I think something's missing from my cylinder!! Please see pic. I don't appear to have a thermostat, like I've seen in other pics on this forum. Also, I only have one cable running to the Megaflo. Others I've seen on here have two. Can anyone tell me what I'm missing please? TIA
  2. M

    Vaillant vSMART install

    Hi All, Can vSMART be installed by anyone, or does it need a gas safe engineer? I've asked a gas engineer and he said you don't need to be gas safe to install it as you don't need to interfere with any gas combustion process within the boiler. What do you guys say?
  3. M

    Anti Cycling mode on hot water only

    Hi All, I have a Vaillant ecoTEC 837 system boiler. When heating the cylinder (unvented Megaflow on S plan), I find that it heats up for about 35 mins, and then the boiler enters anticycling mode for a few mins, before pump shuts off. About 3 mins later, boiler fires up again and runs for...
  4. M

    Boiler stop starting on hw

    Hi guys, Quick question: I've noticed that when boiler is heating up hw cylinder, it will run for about 40 mins until cylinder stat reaches temp and shuts boiler off (all normal and as expected). But a few mins later the boiler will start up again to heat up the cylinder. Then after say 10...
  5. M

    Help fitting monoblock kitchen tap

    Hi Guys, Need a little help...... I'm in the process of replacing a kitchen tap. It's a monoblock type. It came with flexihoses (I'm assuming these are 15 mm??). The hot flex screws on to the hot feed isolation valve no problem. But the cold flex pipe needs to go on to a T junction...
  6. M

    Honeywell ST9400c failed. How do I upgrade to WiFi?

    Hi All, My programmer seems to have a fault. When the heating is called for, I'm finding that the Honywell is not firing the output to the valve motor. But if I give the controller a gentle tap with my finger (in the top right hand corner) where the relays are, the output kicks in and the...
  7. M

    Parallel spurs?

    Hi All, I'm in the process of replacing socket and switches from the tatty old brass fittings to satin chrome ones (under orders from the missus). On removing a single gang socket in the utility room I see that there are four sets of twin and earth in there. I'm assuming two sets are the...
  8. M

    kitchen units directly on to thermalite

    Hi guys, I want to mount some old kitchen units on the wall in my garage. The walls are just painted aerated (thermalite?) block. Question is, what fixings do i use to secure the units to the wall? Ive done a search and it seems some people use frame fixings, some use brown plugs, some use...
  9. M

    Advice on replacing isolation valve.

    Hi guys, The isolation valve up in the loft is weaping (from the flat head screw) It's a compression fitting. My question is, can I just replace it with the appropriate sized handle valve? (It's a 22mm) More specifically, can I re-use the existing nuts on the pipework and just screw...
  10. M

    Can't put PIR sensor into manual override

    Hi All, I've connected a PIR sensor to the lights in the garage. It's working fine on montion but I can't get it into manual overide, which makes me think it's not wired correctly. I've run 3 core and earth from the rose fitting to the PIR as follows: 1) Earth in rose to earth in PIR 2)...
  11. M

    GU10 lights remote control

    Hi All, I've got 16 gu10 down lights fitted in the lounge, all off one switch. There are also four wall lights connected on another switch (240w max). Both switches go to a two gang switch. I want to remote control both sets of lights so that I can switch them on/off at the push of a...
  12. M

    Immersion Heater failed - Economy 7

    Hi guys, The lower immersion heater has failed but the upper booster one is working fine. Is it OK to wire the upper heater to the Economy 7 switch so that the upper heater comes on and off on the night timer? (I'll replace the lower immersion heater at a later date when I have time)...
  13. M

    Megoflo discharge connection

    Hi All, I've just had a Megaflo unvented cylinder fitted (airing cupboard) and installer has connected the discharge pipe to the basin waste (in bathroom next to airing cupboard). He cliams the building regs have just been changed to say that this method is now compliant. Anyone here...
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