I can't help with the tank guard but thought I'd point to an option on the Propex heater. This is what I have (mounted behind the passenger seat): http://www.northstarflameless.com/new/rec-3000.html

Regards, Peter Kraiker
NextChapter.KraikerPhoto.com

On 2011-12-23, at 8:27 PM, Tom Boldway <jboldway@HOTMAIL.COM> wrote:

> Howdy - anybody got a propane tank guard? Got a second propane tank but had no guard. Will be getting a Propex heater  . . . got a eberspacher but the concept of a thermostat and running on propane rather than gasoline seems more appealing. Anybody got a used Propex? ;~)
> Tom