heating

  1. R

    Replace Danfoss RX1 with Hive Heating and Hot Water V2

    Hi all. Firstly...I realise that I should really use the Hive Heating only, but as I got the Hive Heating and Hot water for £95, and having read other posts on here, I believe that if your boiler uses 230-240V then it will work. Boiler : Gloworm 38CXi combi...
  2. R

    Boiler/ufh issue, please help

    I’ve had many engineers with no luck, please help! I am running a glow worm 30 HXI boiler, approx 3 years old. It is a three zone system - one zone is the underfloor heating consisting of 5 loops (approx. 35sqm room), another zone is the rads consisting of 7 rads (6 have TRV's) and the final...
  3. J

    3rd system in 12 years

    OK, I last posted in here in 2009 with guidance given on a new system. https://www.diynot.com/diy/threads/thermal-store-heat-bank-or-two-combis.170502/ At the time I was running 2 combi's twinned to supply whole house. In the 2009 post I was looking for guidance into a replacement system as...
  4. S

    Heating thermostat dilemma please help

    Our house has the main central heating thermostat in the sitting room. We have just had a log burner installed in that room meaning it heats up very quickly. However this also means that the thermostat reaches temperature before the rest of the house is heated, leaving the upstairs cold...
  5. andyr123

    Nozzles on Kerosene oil boilers

    Hello - we have a Grant Euroflame 70-90 outdoor kerosene condensing boiler which has a Reillo RDB 2.2 Burner. whilst I was cleaning it out of soot inside the other day I got a magnifying glass and had a look what was stamped on the Danfoss nozzle jet and it said 60's - now the specs for a...
  6. S

    Removing a radiator

    Unsuccessfully tried to remove a radiator last night but the water kept p!ssing out of the pipe to the rad under pressure but, as far as I'm aware, we're on an open vented system which is not pressurised. The heating had been off for about an hour and the hot water for about half an hour. Why...
  7. Chris J

    Thermal store + wood-burner (HELP)

    Morning Guys, I'm looking to install a word-burner / central heating with thermal store as our only heating system (don't have any other cost effected options). Finding it very hard going getting reliable info on such a system, just wondering if anyone has been down this road and could share...
  8. H

    Nest 3rd Generation - firebird enviromax condensing outdoor combi installation help

    Evening All I wonder if anybody on this well informed forum can assist me as I'm left scratching my head as to what is happening with my Nest controls and boiler. We have had the above Heatpac S boiler installed and wanted to install a 3rd Gen Nest. I have wired it in as below (excuse the L...
  9. J

    Loft Conversion- What would be the best heating/hot water system to use?

    HI all, I am currently in the process of having a loft conversion done, of which I am planning to upgrade/change the heating and hot water system as the house will be a 5bedroom with 3 toilets once complete. I currently have a condensor boiler which is 24kw, which has the usual cold water and...
  10. L

    baxi 105e changed pump still got a pump fault showing

    hi, firstly a bit of back ground. a couple of weeks ago the hot water pipe under our both blew off (due to the chap who fitted the bathroom before we bought the house not tightening a compression fitting properly) anyway this led to the hot water pumping out under the bath for around 20 mins...
  11. N

    Vaillant boiler timer

    Can anyone please help. I'm brand new to this forum so please bear with me. I have moved house and there's a vaillant ecotech pro 28 boiler with the old style (hands and pins) clock dial. It seems the clock is running slow and losing around 30 mins per day. What can I do please?
  12. B

    Honeywell DT90E Constant Clicking

    Good Morning, I replaced all my old unipor mechanical thermostats with the Honeywell DT90E's a few months ago. All was going well until the one in the room that uses the most heat started constantly clicking on off like a clock. I read on here that if a reset doesn't fix it then the thermostat...
  13. andyr123

    Boiler cycling on and off

    Grant Euroflame 70-90btu outdoor condensing boiler unit (kerosene oil burner) Riello RDB2 Burner: When my boiler first starts up in the morning it only heats upstairs rads and immersion tank and fair enough once its cold the burner stays on a long time to heat it up to 60-65c , but once its...
  14. A

    Heatslave 15/19 want heat radiators

    Hi we have a Heatslave boiler that is about 30 years old. It has been working fine however every now and again the heating will not come on and the hot water is so hot its nearly boiling, the room stats is calling for heating. We have had the three way valve replaced with a genuine Worcester...
  15. G

    Zone heating when it should be off

    Hi, I have moved into a new build and have a problem that the builder keeps saying is normal, please advise. The system is a Vokera Mynute boiler with pressurised hot water tank and 2 heating zones. The heating works fine downstairs and upstairs but when it's supposed to be off upstairs and on...
  16. R

    18 month Plumbing nightmare still unresolved

    Hi, any help appreciated. In Nov 2015 we had 8 new rads put in and piping replaced to rads, and buried in walls. 3 old rads were kept in kitchen and utility room). The water then never got round the system properly (50% ish of rads worked at a time, including the old rads consistently. Which...
  17. B

    Ideal Isar HE24-Water Leak

    Need help first ever problem with my Ideal Isar HE24 (installed 2009);Im sure most most people will be surprised. Water leaks only when the Central heating is ON and its only a slight drip leak- just above the PCB rightside where the wiring harness comes out off the black round rings. Iv Added...
  18. S

    New Build - 2010 regulations on heating compliance: Timers on thermostat?

    I've bought a new build that followed the 2010 regulations. In the domestic heating compliance guide 2010 it states that a timer and thermostat is needed for all electric heating panels. However, I believe this is just a "guide" so was trying to find out the official requirements. The house as...
  19. S

    Thermostat Replacement Wiring

    Hi All, I'm replacing my old analogue thermostat (Sunvic TLX 2259), which currently has 4 wires, a brown, black, light blue and green yellow. Im replacing it with a Salus RT300 digital programmable room thermostat, which has 3 connections; Live, Switch Live and Earth. The controller is...
  20. V

    How to calculate radiator size?

    Our kitchen, where the family spend most of their time, has two radiators but they are not generating enough heat to make the room warm enough in cold weather. Can anyone please recommend a website, or programme, which will help me calculate what size radiators we actually need? (Our boiler has...
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