DirectVent Pro is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces.

an insert can be fueled by natural gas or propane and is tied into your home’s existing gas supply line. Gas fireplaces, including inserts, can be direct-vent or ventless. Direct-vent systems ...

A direct-vent gas fireplace uses a single exterior opening to expel combustion gas and draw clean air in. Unlike natural-vent ...