Glad you got your issue resolved. Most of the issues in our neighborhood revolve around cars and stealing packages, so unfortunately a dense won't work. The kids (or whoever) did go around last night and open up the valves on a bunch of grills so they'd just keak all the propane.
Yup....kids.
They will screw the pooch soon enough.
Get a simple system that covers the areas you need covered.
PM Cameramonkey and tell him I sent you. He is the head nerd on this stuff.