the rest of the story

so, plumber gets here yesterday mid-morning. goes downstairs to check things out. comes back upstairs. the cap on top of the holding tank of the iron filter wasn't screwed tight. it had been leaking ever since he installed it. before he left after the initial installation i caught a leak on a pipe he installed. too bad i didn't see this too. i mean after all that's why i paid someone else to install it. apparently, the 747 sounds from downstairs in the wee morning hours when the filter was regenerating was caused by the excess air it was taking in from the cap not being on tight. before he left yesterday the plumber reset the computer to regenerate at noon. instead of 2 am. it was noticeably more quite than the previous early wake up call. perhaps if he would have ran the system before he left the first time we wouldn't have been in this mess. i'm just saying.