Direct Vent Gas Fireplace Flue Size

The venting capacity of a rectangular or square masonry flue if translated directly into actual or measured square inches of cross section is less than a round chimney flue of the same square inches of venting capacity.

Direct vent gas fireplace flue size.

Dura vent directvent pro vertical aluminum low profile vent rain cap for vent pipes with a 5 inch inner diameter 58dva vc. Direct vent fireplaces on the other hand use natural gas or propane as their fuel and the exhaust fumes are significantly less hot. Napoleon direct vent firestop vent sleeve assembly for use with 4 inch x 7 inch venting systems. Directvent pro in combination with the gas appliance has been tested and listed as a decorative gas appliance system or as a direct vent heater system by a major testing agency such as ul csa warnock hersey or omni.

Napoleon gpv direct vent gas fireplace power vent terminal. Not all fireplaces require venting and some don t require direct vent pipe but the best fireplaces do. Please see a list of hearth appliance types and the respective required category of vent pipe used on each in the table. Empire boulevard direct vent linear fireplace 48 natural gas with matte black liner.

As such the direct vent gas pipe that is used on these units has an aluminum inner wall. 4 x 6 5 8 and 5 x 8. Ok you need an exhaust system for your new direct vent gas fireplace.