This ones not only bigger but quite different, a large country house built for guests. Two wings to this one with each wing run by its own pump room which in turn provides underfloor heating for the entire property. All I had to do was flush the installation debris, neutralise then fill with Alpha 11
HYBRID
Hay bale burner meets oil,
15 radiators, not a tough job but the mix of old and new tech may just be the future !