Originally Posted by Mike Leary
Great post; you don't want to get rid of ALL the water. A slight misting and you're done. After that the rookies will melt fittings and blow heads. The CFM is the big deal, that's why the big boys use tow-compressors; we can adust the pressure (but NOT alter the CFM). I believe it's called, "show, blow, go $$$).
OK, I can understand that. A higher CFM reduces the "blow & go" time as well as increasing the efficiency of the job. We don't have any real freeze issues here, but I can appreciate a more thorough blowout is essential in areas with a frost zone.
Thanks for the useful info.