Last seen: Jul 31, 2025
Im sorry to hear about the problems but its good that you have insulated flexible pipework, albeit only after a rework (which is itself suspicious). ...
All I was saying is that my gas boiler was louder than my ASHP (the latter is 30cm from a window to the room in which we spend most time) and no less ...
My understanding of modbus is that its a master slave system. One unit must be designated the master, others are slaves. i dont know how you do this...
At this point I would like to observe that the flue fan from my gas boiler was very distinctly audible in parts of the house, as at times were some of...
@sandman1600 Im glad the analysis helps with understanding at least, that particular plot was a real goldmine. 3sq m surface area for the DHW coil i...
@arundalep thanks, very interesting.
Agree. It seems to me that if the external gauge is in the flow, ie immediately after the pump, then it would be expected that there is a pressure di...
In that case output at 40C will be 25% of quoted value, ie not a lot. Towel rails appear to be like this, options if not enough are add an elect...
Further to the above here is the system pressure measured by my Vaillant. I know that this reacts to pump head, because (a) its about 0.6bar less tha...
@jeegnesh My heating switched off altogether for three hours today, so the water pump stopped. Whilst it was off, the water pressure on the controlle...
The output is not, so far as I can tell, limited to 3.8kW when NR is active although I have only limited monitoring capability so could just be wrong....
Possibly 25mm Vs 22 mm pipes. Output depends on surface area principally, but also on form factor. A rad that is twice as tall as another will emit...
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