Technician who same to the house to check the system this year 2016 (Mike Coonradt) was very thorough and made sure I understood everything he had done and the reasons.
It was awhile ago but I have a vague recollection that it was a little disappointing.
water problems in basement including leakage through window wells. Explanation of your approach made the most sense pArticularly since we thought we had fixed the problem twice before and we had not.