On Sat, 19 May 2012 14:38:51 -0400, "Wilbur Hubbard"
wrote:

It's so dumb to NOT have them
just because there's a miniscule chance the valve might leak a little fuel
into the bilge. Only a dumbass would neglect to close and secure the valve
with a wire or a tie-wrap. etc.

===

I've seen perfectly good valves develop slow, and sometimes not so
slow leaks. Have you ever seen a gasoline fire or explosion on a
boat? I've seen 3 and they are very spectacular. The risk of *any*
gasoline at all in the bilge is way too high.