Posted by Chuck Tribolet on April 05, 2005 at 20:15:39:
In Reply to: Alternative: H Valve and 2nd. 1st stage W/ reg posted by Walt on April 05, 2005 at 17:04:52:
That H valve protects you from a first stage
failure, and some second stage failures, provided
you have practice in shutting down. It makes no
difference when you have an OOA buddy.
Chuck