You just saved me some typing,,,,,a very good post,, thanks,,,,,,,and as for you Mike,,,continue to be the PVC police, it's an issue that can actually do some good and save a lot of heartache for someone,,,I was thinking of doing it myself,(installing PVC)  till I found Agtalk and your post,,,,,,,I would much rather spend my time reading and typing rehashing the dangers of PVC, than anything about a BTO.....,,,BTW........Hope we can all have a safe and prosperous New Year.........John