Damn dude, ahm online but yer link still don't answer the Q!
When have YOU seen a 3" tube from the bottom to the top?? I sure ain't seen
one....
--
------
Mr. P.V.'d (formerly Droll Troll), Yonkers, NY

Stop Corruption in Congress & Send the Ultimate Message:
Absolutely Vote, but NOT for a Democrat or a Republican.
Ending Corruption in Congress is the *Single Best Way*
to Materially Improve Your Family's Life.
The Solution is so simple--and inexpensive!

entropic3.14decay at optonline2.718 dot net; remove pi and e to reply--ie,
all d'numbuhs

"-zero" wrote in message
...

"Big Al" wrote in message
...
Was at a friend's house. His water heater has about a 3" tube going from
the
bottom to the top. It goes across the top to the vent. Seems like it
connects the burner to the vent pipe. The heater looks new. What is it?

Your on line, right? Damn dude...

http://www.google.com/search?hl=en&q...heaters%2Bwork


-zero