Of course I wondered about the return filter.
But based on DP's assessment that all RGIs are highly experienced, I concluded that they will have checked that before engaging in expensive power flushing.
Or perhaps some are more interested in getting paid lots of money rather than fixing the fault?
But based on DP's assessment that all RGIs are highly experienced, I concluded that they will have checked that before engaging in expensive power flushing.
Or perhaps some are more interested in getting paid lots of money rather than fixing the fault?