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boiler

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  1. T

    Nest on a Glow Worm 30CXI Combi Boiler fitting

    I bought a Nest and think i know how to fit it but want to check. I have a Glow Worm 30CXI combi boiler so only need to connect the heating side of things up and not the water. I have located a pink and a light blue wire which appears to then connect to the wire which then links to the...
  2. S

    Nest wiring help - not controlling boiler on/off unless hot water set to heat

    1st post and I’m not a heating engineer/electrician so apologies for lack of proper terminology. It’s a long story but in essence I had a new conventional boiler replace 2 years ago (Worcester Bosch 28i) and had issues with way heating engineer wired up the new rf thermostat. Decided to fit a...
  3. C

    HIVE - UT1 programmer and ES1 Thermostat wiring issues

    I have a British Gas installed Worcester 28i boiler with a UT1 programmer and ES1 Thermostat and trying to replace the UT1 and ES1 with Hive. ES1 The wiring for the ES1 is 4 wires Brown, Blue, Black and Green/Yellow. the black and yellow/green wires have red sleeves near the end. (All 4 wires...
  4. N

    Boiler cutting out/tripping

    Hi all, first time on here and I need some advice please. My boiler keeps tripping. After the original boiler installers came to fix it and declared the problem was due to faulty electrics, I had it rewired onto its own RCD circuit, and it was fine for a while, but has now tripped every day for...
  5. telectrix

    3 phase electric boiler

    Customer has seen this on ebay, wants me to adsvise and then, if bought, install it. not done anything with electric boilers so looking for confirmation that 6.0mm 4 core on a 40A MCB, ref. method C, is about right. I calculate 33A per phase as the load. any thoughts? ELECTRIC HEATING BOILER...
  6. J

    Hive conversion on Potterton oil boiler - heating only

    Hi Gents, after some advice on what should have been a relatively simple conversion, but I am hesitant due to lack of boiler experience. Have a Potterton floor standing oil boiler - supplying heating only, currently has Smiths controller, frost stat (possibly) house stat, pump feed and wired as...
  7. Bob Geldoff1234

    Boiler fault and rcd tripping?

    I got called out to house a few days ago with the main rcd tripping when they turned the hot tap on with the combi firing up.They had only just had the new boiler fitted and the tripping had started straight after it was installed. I IR'd the boiler circuit(which was wired on its own 16amp...
  8. Bernardo Bezerra

    TRAC T 45 boiler timer

    Hi, I just moved in to a flat that has a TRAC T 45 installed that controls the boiler. I already looked online on how to configure it, but couldn't find anything. Can anyone here help me? I am attaching some pictures that I took from it. Many thanks in advance!
  9. N

    Hive receiver connections to Vaillant boiler

    I have a Vaillant EcoTec Pro 28 boiler and a Vaillant mechanical thermostat (unsure of the precise model) and I’m thinking about installing hive to be able to access the remote switching feature and also to able to place the thermostat where I want it rather than where the installer thought it...
  10. M

    Intermittent fault Gloworm Ultracom HXI Condensing Heat only Boiler

    I've seen others that have similar fault to this boiler. All functions work apart from the target temperature is not reached as of this week. The fault was evident for two 6 month heating 'seasons' but last year the fault rectified itself and the boiler temperature reached target temperature...
  11. S

    BOILER SERVICING -- Cleaning.

    Hi all, Can a registered heating engineer perhaps chip in on this as well? I found an older thread on this, but it's closed for discussion. I fully understand that a safety inspection and a safety check certificate, is an entirely separate thing, and does not involve maintenance or repair of...
  12. C

    Wiring a boiler controller

    I need to wire a controller for an electric boiler. Boiler is currently supplied via a 45amp breaker and a suitably large cable. Controller needs a 240v supply. Instructions suggest this can come from boiler supply via a 3a fused spur. Is it acceptable for this cable to be 2.5mm sized and a...
  13. TonyJohnson

    Advice...Radial with boiler as a spur..what to put on test sheet

    In a domestic dwelling. I am relatively new to testing and inspection. I came across a radial...4mm cable 16amp Type B. The washing machine is used for this radial.But somewhere in the house!!!, the boiler is connected into this circuit... The boiler has a local fused spur with 3 amp fuse. My...
  14. Mishto

    Amptec Electric Flow Boiler Relay Control Alternatives

    Hi All, First post for me . Am about to replace/install two Amptec C900 electric boilers (from old Amptec to newer Heatrae Sadia versions). Under the current regs and specs for these boilers it is recommended that two relay units from Heatrae Sadia (RF 1 & RF 2) are used. One to insure pump...
  15. R

    Heatrae-sadia Electromax boiler Overheat

    ive had the boiler for 18 months now, working fine ever since. Unfortunately today it’s showing a red light meaning it’s overheated. Is this something I should be concerned about, or just leave it off a little while and let it cool down. It was on for about three hours before the light came on...
  16. J

    Programmer and stay for valiant boiler

    Hi All, I want to install a programmer and stat to my valiant turbomax combi boiler can anyone recommend a reasonably priced one? Preferably wireless stat but I would consider a hard wired unit. Many thanks
  17. Michaelwgroves

    Boiler Fused Connection Unit location

    I need to wire a new system boiler, the obvious place to put the supply is with the control unit which powers the boiler. But should the FCU be next to the boiler in the same way any isolation switch would be located close the load. This would still power control unit, but also need cable coming...
  18. L

    3 Nests, Boiler, Megaflo and UFH - wiring assistance

    Hi, I'm doing a refurb of my house and as part of that all of the old plumbing and electrics have been replaced (by their respective tradesmen). In the new world order the downstairs heating is run off a 9 port polypipe ufh heating manifold and a new system boiler and megaflo have been placed...
  19. H

    Protecting a boiler with a relay

    I am fitting a Heat only boiler that just serves the radiator circuit, the boiler has its own dedicated block terminal connector on the PCB but I cannot connect the pump to it as we normally do, the pump is a commercial type and Worcester Bosch have stated it will damage the PCB because of the...
  20. X

    Central heating problems as programmer not bring on boiler fixed

    A client has decided to attempt a dual programmer replacement and made a mess, i have reconnect everything as following but the boiler and programmer arent working together, just wondering if any one would have a look at the connections to see if i missed something or if they have another idea...

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