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  1. E

    Problem re-programming the timings on Horstmann H37XL Series 2

    Horttmann H37XL Hot water wasn't heating so I reset programmer to factory defaults. Turned out the problem was a faulty motorised valve. However I want to change the settings back to where they were previously but when I press the green button nothing happens - it does not take me to the...
    • edval1
    • Thread
    • america h37xl problem series usa
    • Replies: 7
    • Forum: USA
  2. C

    My grant 70 mk 2 heating pressure is constantly increasing in pressure. I have changed the heat exchanger

    My grant 70 mk 2 heating pressure is constantly increasing in pressure. I have changed the heat exchanger as I believe that was the problem. Any ideas
  3. C

    unusual sink draining problem

    when the kitchen sink is being used without the plug in, the water drains really slowly and backs up for a few seconds. But when I put the plug in, fill the sink up all the way to the top and take the plug out it drains really quickly, I have taken all the plastic pipes out underneath and...
    • cam64uk
    • Thread
    • america draining problem sink unusual usa
    • Replies: 1
    • Forum: USA
  4. H

    Central heating problem.

    Hi. My central heating system consists of an extension with wet underfloor heating (3 zones) and the original part of the house standard pipes and radiators. With just the underfloor heating on and the rest of the system turned off, the radiators get warm. Any idea what the problem might be. My...
  5. F

    Combi-boiler plus Thermal heat store - problem and suitable replacement recommendation

    Hi, sorry to bother you all with this but I am really struggling to find a suitable combi-boiler replacement and a knowledgeable heating engineer to discuss options. Ive tried to note as much relevant details below - apologies if its too long or irrelevant. Any help most gratefully received...
    • fastpatjo
    • Thread
    • america heat plus problem recommendation replacement store suitable thermal usa
    • Replies: 2
    • Forum: USA
  6. C

    URGENT Bath tap problem

    So the letting agent phoned me and there is a problem with a leaking bath tap. Got quoted £150 to replace both taps (taps beyond repair). Super easy access. Got some new taps and bits and pieces. So I try to remove the these nuts. They are literally impossible to undo. What I though...
  7. S

    Oil boiler in low water pressure location. Pump problem.

    Hi, I have an oil boiler in a low water pressure location, ran well for 12 years, now I have a problem. And two questions. (1) I continually have to bleed air from the pump, can't work out why. Any ideas? (2) because of this, I am continually running down the pressure, which is already...
    • stevef
    • Thread
    • boiler location low water pressure oil oil boiler pressure problem pump water water pressure
    • Replies: 39
    • Forum: DIY Plumbing Forum
  8. Atanas Peev

    Heat exchanger problem

    Hello everyone do any one had such experience with main heat exchanger on combi boiler Thank you
    • Atanas Peev
    • Thread
    • america exchanger heat heat exchanger problem usa
    • Replies: 6
    • Forum: USA
  9. N

    Glowworm FF60 Lockout Problem

    Hi - Can you help? I have a Glowworm Micron FF60 Boiler and it has gone into "Non Volatile Lockout" - Reset light is solid green, boiler and everything restarts after turning off the temp dial and back on again. The fans work, it produces heated water, the pump is spinning (albeit its pretty...
  10. M

    Programmer/Thermostat wiring CH problem?

    Hi Guys, Hoping someone can help me, we have a 2-zone heating system that consists of 3 honeywell 2-port valves on a system/hot water tank gas boiler. Recently the HW motorised valve broke - so I replaced it (motor/housing only) and problem solved. However when diagnosing this, I also noticed...
    • marmadiy
    • Thread
    • america problem usa wiring
    • Replies: 4
    • Forum: USA
  11. P

    Radiator Problem

    Hi, we’ve just had a new large vertical radiator added to a previously fully working heating system. This new radiator only gets hot when all the other radiators are off. When the other radiators are on, the new radiator remains cold. All radiators have been bled. Our plumber is suggesting...
    • Perplex'd
    • Thread
    • america problem radiator radiator advice usa
    • Replies: 8
    • Forum: USA
  12. Hobo128

    Worcester 24 cdi rsf problem

    Hi all I have a problem with a Worcester 24 CDI RSF.... The old worcester with the grey front..... the problem is low hot water pressure....I've had this before and have never managed to solve it.... checked the filter on the cold inlet and checked the plate heat exchanger too.... any ideas 💡
  13. D

    Thermostatic valve problem for bath and shower

    Hi I have an in-wall thermostatic shower value set of an unknown brand. The thermostatic valve in the middle is no longer constrained by the lung internally so I can wind it out for what are boiling showers, also to get cold water I need to turn clockwise until its actually home, pressing the...
    • diy_massacre
    • Thread
    • america bath problem shower thermostatic usa valve
    • Replies: 2
    • Forum: USA
  14. N

    URGENT Peculiar problem

    I have a system boiler with 2 unvented hot water cylinders. There is no hot water in the loft bathroom tap. But hot water is coming in the loft bathroom thermostatic shower. Moreover hot water is coming in the other 8 bathrooms. When you switch on the loft bathroom shower, hot water starts...
  15. PaulDDrabble

    Do I have a problem with Baxi Solo 15 HE do I need an engineer

    Hi, we have a Baxi Solo 15 HE condensing boiler - The wall timer for the Central Heating and Hot Water is set to OFF not via the timed on off system, yet the boiler seems to switch on approximately every 10 Mins and runs for between 30 seconds and a minute. When I say switch on, I can hear the...
  16. P

    Metal "lugs" on old taps (for square holes maybe)? Any problem with removing them?

    Hi all Some old taps have what I'm describing as metal lugs (but just because I can't think of any other word to use!!) like these: Am I right in saying that these are for when fitting to sinks with square tap holes? If so, besides a hacksaw, are there any ways of making these compatible...
    • Plumb Line
    • Thread
    • america holes maybe metal old problem removing square taps usa
    • Replies: 5
    • Forum: USA
  17. M

    Problem with Salus RT 500 thermostat

    We have a Salus RT500 thermostat controlling the combi boiler. It works OK on the timer but if we want a boost before having a bath we scroll the temperature up to about 30 degrees. The boiler will fire up but it switches itself off after about 2 or 3 minutes. Any suggestions? Contacting Salus...
    • MikeSki
    • Thread
    • america problem salus thermostat usa
    • Replies: 13
    • Forum: USA
  18. T

    Soil pipe problem

    Just digging out side pathway and discovered big gap to waste drain !!! The soil and vent above ground are new . Can anyone advise please what extension soil / stack pipe I need
    • Tryinghard
    • Thread
    • america pipe problem soil soil pipe usa
    • Replies: 2
    • Forum: USA
  19. G

    Baxi duo tec 28 heat exchanger problem

    Our boiler went off with error 133. I investigated and found the ignitor module had melted! This was replaced. When the boiler fires up now there is intense and immediate heat radiation from the left upper and lower front side of the heat exchanger unit. I switched off immediately and have a...
  20. U

    Problem with shower - MIRA Shower leaking

    Good afternoon guys, I was wondreing if anyone could help with the issue I have at home. I have a MIRA offset quadrant shower (built around 3/4 years ago approx), and I am having leakings (see attached the photos). I have tried to put some silicone several times but the water is still going...
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