In case you're wondering, my first job on site would be to isolate and remove the pump.
I would them pressure test both the system pipes separately using a test bucket at 4 and 6bar.
That immediately identifies where you should start looking, and isolating as many outlets as possible will reduce it even further.
I would them pressure test both the system pipes separately using a test bucket at 4 and 6bar.
That immediately identifies where you should start looking, and isolating as many outlets as possible will reduce it even further.