Which gasser do you have?
If there is already a regulator on a NG grill its can possibly be adjusted to use propane. Then you just need a connection. (Summit models)
Post some pics and your geneal location, if you do need a manifold/regulator and are close I may have a propane setup in the parts bin. (If you don't mind used)
Only downfall I have found in swapping is you need to store the tank on the outside if you want the scale to work and sometimes it makes the low med and high marks on your control panel off.
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