Current 33+ Shallow Gas Fireplace Insert Dimensions
Current 33+ Shallow Gas Fireplace Insert Dimensions. For a gas fireplace insert you'll want to provide both combustion air and venting as per the manufacturer's specs. Regency gas fireplace inserts can operate on natural gas or propane. Make the most of your space with the most fireplace for a slender 16 profile. The popular slimline gas fireplace is ideal for nestling into tight spots and adding extra comfort to your couch time.