Last seen: Jul 13, 2025
I think you may be considering only one half of the equation here, and the question is how they balance (I dont know) High DT may mean higher COP at...
The new installation will come with a pressure limiter which will limit the water pressure on all hot outlets and any cold outlets which were previous...
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...
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