1. D

    UK Pipes for thermostat shower fitted at different heights

    Pipes for thermostat shower have been fitted at different heights. Any way of rectifying without ripping all tiles. So for clarity 15mm pipes sunk into wall behind bath. Walls have fresh tiles. Have realised as about to fit shower these pipes one is set higher than the other. If you fit a...
  2. N

    Water Heating Wont Work Unless Tank Thermostat Is Turned up and Down Manually!

    Have a sytem boiler with unvented cylinder with 2 heating zones plus hot water in a house we moved into recently. To start with we were always amazed at the water pressure so on the odd occasion that the water was only luke warm it was easily forgiven, but over time we have come to realise that...
  3. N

    Ranco K36 L1016 thermostat

    Trying to source a Ranco K36 L1016 thermostat for an old Ideal boiler or any compatible alternatives. Any help would be appreciated.
  4. I

    Tado thermostat not triggering boiler

    I've had my tado system in my new build for 5 years now and it's been fine. Yesterday morning I changed the batteries on the second floor thermostat and now it's not switching on the boiler to heat that floor. The thermostat display is fine and the app is fine. All systems say they are fine and...
  5. RenzoPan

    Was my smart thermostat installed incorrectly? Or what is the issue?

    When I set it to be on via phone, light A comes on (telling it to be on), but light B won’t come on, so the boiler doesn’t start. I either need to set A on and off several times via phone, or turn it off and on again via switch (C). When I set the water to be on, it works instead, and green...
  6. A

    Room Thermostat: Would I Benefit From Optimum Start/Stop?

    Hi, I just moved into a new house and it has a Glow Worm Compact 24c combi boiler and a ESI ESRTP4RF+ programmable room thermostat and I am wondering if it's worth turning on the optimum start and stop features? There is also something called TPI (chronoproportional control) but I'm not sure how...
  7. pufferfish91

    Smart Thermostat Install - Worcester Highflow 440

    We have recently moved into a property which has a Worcester Greenstar Highflow 440 Standalone Combi gas boiler. This appears to be a relatively old unit however, it is still in great working condition and has been serviced on a regular basis. I'd like to add a Nest Thermostat to control the...
  8. A

    Boiler thermostat issue

    My boiler will not heat up past 50 degrees. This is the temperature that is registering on the esi thermostat. Radiators have been bled not sure what else I can do
  9. stumac

    Do I need a 20 amp thermostat?

    I have bought an old house in rural France and it has an oil tank and Unical oil powered boiler (Italian I think). Its a beast of a thing but can't find any model info or any plates on it. I want to change the switch and thermostat to a digital wireless thermostat but I'm not sure what I can...
  10. D

    How do I wire up this Honeywell T3R Thermostat?

    Hi, I live in a really remote part of the Highlands, so paying for a plumber (or electrician?) to do this will be brutally expensive, so I need to do it myself. I have a Grant Combi 26e boiler. I'm replacing the old thermostat with a new one. Although the boiler is a combi, I think the old...
  11. R

    Warmflow B1 Thermostat Control

    The boiler is a Warmflow B1 Oil CH Boiler. Does the thermostat fail in an open state or closed state with a hard failure? Can they simply start to malfunction and not control the temperature correctly in a soft fail situation? The boiler is working but the homeowner says it's running all the...
  12. S

    How do I remove this radiator thermostat?

    Hi, I’m looking for some advice on how to remove this radiator value to check if the pin is stuck. I have two similar values in the house where those radiators aren’t heating up at all. The pipe leading into the value is cold but the rest of the system is working fine. Thanks for any help/advice!
  13. A

    Difference between VRT 380f and VRT 380f/2 Vaillant controllers?

    A Google search suggests that the VRT 380f/2 variant is sold and used mainly in Scandinavian countries, but is there a functional difference which would prevent the VRT 380f/2 being used in the UK?
  14. spagettilegs

    Advice on changing my thermostat

    I have a Neura heat pump and my thermostat has failed (Theben RAM 797 b). I'm looking to replace it with another more modern one I can use with an app etc. My question is, can I replace it with any thermostat or do I require a very specific type thermostat to run the heat pump? Thanks for...
  15. D

    Choice of thermostat advice please

    Hi I'm having issues with my wireless Honeywell thermostat. It's sat in the living room, set at 18C currently. It makes my Worcester Greenstar 18Ri to short cycle. So, the moment it gets cold outside my boiler works for about a minute, then stops, and starts again in about 5 minutes, then...
  16. U

    Does anyone's heating actually work as intended with thermostat?

    Hi all, I keep reading about how you should use a smart thermostat. Set it to the temp to want the home to be and hey presto it takes care of itself. But realistically who does this or rather who does this work for. With mine I just use it to turn the heating on now and then for short periods...
  17. N

    Vailant thermostat vrt350 not pairing with ecotec pro 28 boiler

    Hi everyone, I’m writing on behalf of my elderly neighbour and hoping this is a problem someone on this forum has experience of and remedied. The boiler was not responding to the wireless thermostat. The various settings on the thermostat seemed fine and 3 heating times and temperatures were...
  18. G

    Polypipe Programmable Room Thermostat - PB PZP

    I've had a couple of these battery powered thermostats fail and currently looking at finding replacements but I'm fairly sure they are now superseded? Can anybody advise on other programmable battery powered units that could be used instead? I'm assuming the others may well start to fail in the...
  19. Uncle Nick

    Room thermostat, what’s the point?

    Hi all, as it’s starting to get chilly at night, we’re thinking of having the heating on at night… well the wife is. Which led me to wonder whats the point of having a room stat when the radiators all have their own thermostat controls? We currently have just a time controller for the heating...
  20. C

    Main combi 30 HE Safety thermostat

    Hi All, I have the boiler above and the safety thermostat has snapped at the plastic cable right where it means the thermostat. This looks like it was originally all one part but can’t find the replacement harness and thermostat only the thermostat on its own with two electrical connections...

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