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  1. dpm_dpmartin

    Danfoss CP715 Si programmer and RET230-P thermostat

    P.S. - I'd like you to know that I do have the User Instructions for this device - mine is different to yours - mine is 2 pages and it clearly says - "The time and date are set in the factory and do not need to be set."
  2. dpm_dpmartin

    Danfoss CP715 Si programmer and RET230-P thermostat

    Now that, right there, is value-add!!! I will give it a go... now the oven and the programmer can be truly in sync... Unless I have to now replace the programmer? I can't believe it's working... not properly... it is from the front (LCD, LEDs, buttons etc.) but it doesn't feel like it's doing...
  3. dpm_dpmartin

    Danfoss CP715 Si programmer and RET230-P thermostat

    This is the result of my testing yesterday, I didn't get back until late or I would've written this last night. From everything OFF and hallway thermostat down at 0, radiators stone cold, I turned the boiler on, waited a little bit, then turned the thermostat up to maximum and then set the CH...
  4. dpm_dpmartin

    Danfoss CP715 Si programmer and RET230-P thermostat

    On this - it's not about it being out - all clocks will lose or gain some over time... but most would allow you to re-sync. them.
  5. dpm_dpmartin

    Danfoss CP715 Si programmer and RET230-P thermostat

    And... a completely different thing, more light-hearted... this programmer from Danfoss must've been installed in about 2010... and the manual proudly states that the time is pre-set at the factory and there's no reason to alter it... But the fact is - in 2020 it's now 6 minutes out from the...
  6. dpm_dpmartin

    Danfoss CP715 Si programmer and RET230-P thermostat

    Just a question to fill in a gap inside my brain... This hallway thermostat measures temperature, right? That's what it does. And, as you turn the dial, if you ask for a temperature higher than it is measuring, you will hear a "click" (inside it, like an immersion heater) as it switches and as...
  7. dpm_dpmartin

    Danfoss CP715 Si programmer and RET230-P thermostat

    I can do that, then I suppose I can turn both to ON and wait? Well, I feel (pun intended) I can grope stuff as good as anyone else out there! Trust me, this is noted - but it's been so well-behaved for years I figured this must be something quite simple and I was looking more for validation...
  8. dpm_dpmartin

    Danfoss CP715 Si programmer and RET230-P thermostat

    Here's the hallway thermostat... Good to know I'll not see anything move on the valve... I do at home, if I press the programmer's 1 hour boost equivalent button at home I can see the lever slide across in front of my eyes. I will check the pipes and report back. I have hot water - yes - I...
  9. dpm_dpmartin

    Danfoss CP715 Si programmer and RET230-P thermostat

    I had a Tenant leave a rented property on Thursday... usually we'd do a face-to-face Check-Out but that's impossible right now, so I went there yesterday (Sunday). All is good apart from the central heating - for some reason I cannot get it to work. I am hoping someone might be able to steer me...
  10. dpm_dpmartin

    Tetrion All Purpose Filler - using a PVA bond in tandem with it?

    This advice seems to be on the money, thanks - Ever Build just wrote to me and said - "Thank you for your enquiry, if the SBR is used with a cementitious mix then there should be no concerns regarding painting however if the SBR is used as a surface coating this will cause paint adhesion issues."
  11. dpm_dpmartin

    Tetrion All Purpose Filler - using a PVA bond in tandem with it?

    It would be nice to have any first-hand experience related to me about painting over this product https://www.everbuild.co.uk/product/503-sbr-bond/ with some normal Sandtex masonry paint and, separately, the Isoflex Special Primer.
  12. dpm_dpmartin

    Tetrion All Purpose Filler - using a PVA bond in tandem with it?

    Hi all, I'm unsure if this is in the right section - could be building(?), decorating(?) or plastering / rendering(?). If a Moderator wishes to move it, please do so. I am using this Tetrion filler on my external walls and ornamental ridges around the house...
  13. dpm_dpmartin

    Vaillant TURBOmax Plus - filling?

    If I was you... and this is me being sensible (having learned over time) then I would employ someone to fit an external filling loop to this boiler. Once you do that the refill times go from many minutes (30 to 45) to a few seconds. At the same time you could get a magnetic filter fitted to the...
  14. dpm_dpmartin

    Vaillant TURBOmax plus - code F.28 and pressure loss

    Only an update... the Engineer was delayed until yesterday, but the boiler did work adequately until yesterday morning (lucky coincidence, who knows?)... the GSC and Service was done on it - passed. A TF1 Omega filter was fitted and an external filling loop. We tested all that out - pressure...
  15. dpm_dpmartin

    Vaillant TURBOmax plus - code F.28 and pressure loss

    Agreed, I bet that too. Thank you very much for all this guidance. I think it will end up being a replacement part too and the expansion vessel has been called-out.
  16. dpm_dpmartin

    Vaillant TURBOmax plus - code F.28 and pressure loss

    Well... warranty is not a concern, that's for sure. :) I wish, right? I'll talk to the Engineer when we're face-to-face... and gauge his comments. I suspect part of the issue here is - a leak in the system might be the reason for the pressure loss, and it might not be - but tracking it down (if...
  17. dpm_dpmartin

    Vaillant TURBOmax plus - code F.28 and pressure loss

    Genuine question, not being facetious - but is this Vaillant TURBOmax plus considered "modern" - sold around 2000 to 2005 is my understanding?
  18. dpm_dpmartin

    Vaillant TURBOmax plus - code F.28 and pressure loss

    Thanks. This sounds like experience accumulated over years of war-weary engagements... and extremely valuable to boot, but how on earth do I justify (if anything bad happens in the future) deliberately asking my Engineer to go against the "book value" (I assume that means the manual? maybe the...
  19. dpm_dpmartin

    Vaillant TURBOmax plus - code F.28 and pressure loss

    I was talked through this on the phone and persuaded it was a good idea in this case, where pressure loss might be caused by a minor leak in the system, somewhere. Please bear in mind I'm just a dumb user / owner... and getting conflicting advice is always a worrying thing. Especially when...
  20. dpm_dpmartin

    Vaillant TURBOmax plus - code F.28 and pressure loss

    OK - work booked in for Friday is: Gas Safety Check Filling loop supply & install Magnetic Filter supply & install Leak seal supply & install Inhibitor Supply & install Expansion vessel visual check (Engineer to confirm)... fingers-crossed, ey? If the expansion vessel is kaput there was mention...
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