On Mon, 30 Sep 2013 18:38:04 -0400, dadiOH wrote:

A welding supply place was where I bought mine.

That's interesting.

Googling, the welding supply propane regulators
don't seem to look anything like the tank regulators.

Here is a cite for the welding supply propane regulators:
http://www.weldersupply.com/products.asp?id=15

Here is what the propane tank regulators look like:
http://propanewarehouse.com/firstregulators.asp