boiler

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  1. Luke Killick

    Electric boiler taking too long to heat water

    Hi, I’ve just moved into a new flat with an Electrastream boiler, and when I first moved in it seemed to get to around 45 degrees in around 45 minutes. Now, (about two weeks later) I’m luck if it gets to 40 degrees in an hour. This seemed to happen after a new shower was fitted. Can anyone...
  2. G

    Should a boiler be able to turn on a pump?

    I recently had a new hot water cylinder installed and changed from a y-plan to an s-plan. The plumber installed the cylinder, valves etc and left me to do the wiring. The existing wiring was not great. The boiler is an old Potterton Netaheat Profile 50e. I wired the orange from the 2 valves...
  3. J

    boiler control wiring and wet UFH wiring

    Afternoon Starting a rewire tomorrow on which the build wants me to do the control wiring (i have never done it and usually just do up to the spur) I will be subbing the controls 2nd fix out to someone that can do it (and shadow over his shoulder with a note pad) i assume it is likely going to...
  4. B

    What contactor size for a 9kw electric boiler

    Hi all. Don't have much experience on this topic. Called to a job with an electric boiler. It has a dedicated 10mm supply from a 50A MCB. I narrowed down the fault the the contactor which was only feedig 1 of tge 3 elements and had scorching marks around the other 2 terminals. And is currently...
  5. B

    5 Wires to go - Help required to remote fire up the boiler

    Hello all, I've found myself left with a small amount of wiring to do to complete an installation. It's a Heatmister UH8-RF unit being wired to a Drayton 2 way valve. The boiler engineer has done 95% of the wiring and has not gone sick long term. I'm left with only the remote 'fire the boiler...
  6. 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...
  7. 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...
  8. 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...
  9. 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...
  10. 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...
  11. 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...
    • johnski
    • Thread
    • boiler conversion heating hive oil potterton
    • Replies: 5
    • Forum: Central Heating Systems
  12. 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...
  13. 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!
  14. 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...
  15. 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...
  16. 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...
  17. 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...
  18. 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...
  19. 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...
  20. 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
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