cylinder

  1. B

    Replace vented direct cylinder with unvented, safety drain off?

    Hi, Small flat, currently has a small'ish feed water tank, top of a cupboard, feed through a wall into under stairs cupboard. Hot water tank with top & bottom immersion heaters & controller. Has a pump currently, noisy but sure normal, just seems to echo despite best efforts to supress, mats...
  2. M

    Water cylinder thermost question

    I have a customer who has an 18" thermostat in their water tank which periodically requires resetting. I went to replace this but am unable to put a new 18" one in as the tank is very close to the ceiling and the thermostat is withdrawn in an upward direction. I can get the 18" one out by...
  3. grumpyjohn01

    Modified Y plan for unvented cylinder

    I had to wire in an extra 2 port valve today to protect a newly installed unvented cylinder (replacing the old gravity fed one) in a standard Y plan setup. However the wiring centre adjacent to this tank didnt have a permanent live available as the programmer and boiler with supply spur are...
  4. E

    heat pump and pv diverter

    Hi, I've got both a solar pv and an ashp system. The solar system also has 2 batteries and it's configured to fill the batteries first and then export to the grid when they are full. I don't think it matters, but the pump is an LG Therma V R32 monobloc. From what I understand (I'm not an...
  5. C

    help with unvented cylinder, cobi with dual channel hive

    hi need help with wiring this. basically new build with combi boiler, unvented cylinder with dual channel hive ive attached pics with the wiring diagram giving but im now using a hive instead so ive altered it to what i think is correct obviously ive never sleeved any or added earths in diagram...
  6. B

    I want to install a Solar IBoost+ on my Megaflow 300I cylinder, is it possible?

    Hi I want to install a Solar IBoost+ on my Megaflow 300I cylinder, is it possible on this cylinder?
  7. I

    Memera 2000 mounted to water cylinder

    Hi all, Hopefully picked the right place to post about this..! I've just completed an EICR and there was a second board mounted to the water cylinder which does both the hot water and heating. It's in an apartment (I'm assuming every flat will be the same). I've told the landlord that I need...
  8. linuxthefish

    UK Mechanical plug in timer with electric water cylinder on economy 7?

    I came across a small electric hot water heater under the sink with a moulded plug in my friend's rented flat. He's on economy 7, and wishes to use a mechanical plug in timer to ensure the water is only heated on night rate. The flat is rented so changing the socket to an FCU is out of the...
  9. HappyHippyDad

    Understanding this cylinder and the electrical requirements?

    I have a water cylinder to get power to. The product is a gledhill stainless lite 'indirect'. The manufacturers data sheet says for use with gas or oil boilers. The sheet says the 'direct' model has 2 x 3kW immersions. However from the plate on the side of the tank (see pic) and the tank itself...
  10. P

    DHW cylinder thermostat and cut-out.

    Hi again ...... I have inherited a central heating system which is oil fired and ancient (mid 1980's), but works perfectly so up until recently I had no reason to go looking for issues. The only ''new" part is the unvented DHW cylinder which, although it works, has NOT been installed in...
  11. S

    Unvented Cylinder stats s-plan

    Hi all, Please can I get some help. I’m currently wiring up 20 unvented cylinders at the moment. They are all part of an S-plan which is fine. The problem I’m having is with the two in-built stats on the immersion tank. One stat is a high limit cut out stat and the other is an Adjustable. I...
  12. S

    Hot Water cylinder and 2x immersion heaters

    Apprentice electrician (coming towards the end of my 1st year) here and looking for some help and understanding. I have moved into my flat and I have both a normal CU running 24/7 and an off peak CU. The flat has no gas and all electric. I have a hot water cylinder which has 2 immersion...
  13. Amar

    8 bedroom 8 bathroom property

    Hi Everyone, Just joined the forum today, hoping to pick your brains now and again as I've been watching as a guest for a while and found it to be a friendly and knowledgeable place to be! I'm an Electrician myself and run a electrical and building contractors within the west midlands. As the...
  14. M

    solar controller

    looking at replacing this unit anyone recommend an upgrade or direct replacement ?
  15. H

    I Need Work Hive cylinder stat

    Is there a Hive wire less battery interface for an unvented cylinder stat or do you need run a cable back to the control center.
  16. A

    Nest 3G wiring help

    Hi all, this is my first post so please be kind. I installed a Nest thermostat a few months ago I have a gravity fed system powered by a Baxi Bermuda Back Bolier, I have a Honeywell 4043 2 port valve, I based the insatallation around a c plan as the wiring appeared to follow this logic although...
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    • Thread
    • cylinder nest thermostat valve water wiring wiring help
    • Replies: 19
    • Forum: Central Heating Systems
  17. O

    Horizontal immersion heaters - any good?

    The guy fitting my boiler next year seems to have a preference for horizontal immersion heaters. It's a bio mass (Wood pellet) boiler. I need an immersion heater for several weeks before the boiler is fitted. Then the immersion will be used as the store from the boiler - as well as back up. On...
  18. P

    Honeywell evohome and megaflow

    hi guys, just wired up a Honeywell evo crontroller with a relay for the heating, a tank stat and a relay for the hot water, I managed to get it working after a lot of messing around, the problem is it's a megaflow hot water tank and I have disconnected the megaflow tank stat which has a overheat...
  19. polo1

    Wet pants catastrophe

    Ok, so I've been asked to check a possibly faulty lower immersion element. Sure enough, it's gubbed. Fortunately I had a spare the correct size in the van. Drain down a massive cylinder, but can't get the element shifted. Not insured for hot works, so ask the letting agents to organise a...
  20. Soulsurfer

    Horizontal water cylinder

    Hey all, so I'm rewiring a nightmare house while girl still living in it ! Plumber gets a cylinder and says direct 1 X 3kW standard immersion. So I run a 2.5 through most of house to loft.. Comes today saying just worked out he got wrong cylinder and where he wants it there is no space for vert...

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