nick hull wrote:
Bob Engelhardt wrote:
You could put a cap on the output pipe. ...

I'll probably do that in any case.

Well, that's all you'll need - it's only holding 2 1/2 psi (when the
leak has filled behind it) and the valve will hold back all but the leak
when you take the cap off.

The cap will cost $44 (2,5" firehose)

I know that you have a lathe! BG

Bob