Direct Vent Exhaust Clearance

The disadvantage is that this would be directly above the propane regulator so we d have to pipe the exhaust vent away.

Direct vent exhaust clearance.

In all areas exhaust vents should be at least 1 foot above roof surface. We marked on your gas vent photo the two measurements that are typically made. Ma code follows nfpa54. In direct vent applications this clearance distance must be in compliance with local building codes the requirements of the fuel gas supplier for the heating appliance in use and the appliance manufacturer s instructions.

Direct vent clearance i m trying to confirm the necessary clearance for a direct vent concentric pipe on a 95 propane furnace. Minimum clearance distance requirements for the exterior vent termination of a gas fireplace heater 8. Keep in mind that while there is a soffit clearance given there is no clearance given for venting what is expected to be an outdoor air vent location but is in fact under a roof. The vertical distance to the window and the horizontal distance to the window from the nearest point of the gas vent.

Direct vent gas vent clearance required depend in part on the size in btus btuh or thousands of btus per hour input rating of the heating appliance. Vegetation must not be allowed to grow within 3 feet of an exhaust vent. So that s why i was leaning to the first solution if it wasn t against code. Clearance above paved sidewalk or a paved driveway located on public property.

Exhaust vents must be protected against rain and equipped with back flow prevention features e g flap dampers. Nfpa54 fig a 12 9 says that the minimum clearance for a direct vent terminal below a window must be at least. For non direct vent applications that is side wall venting only the required clearance is 7 feet. Direct vent gas fireplace exhaust termination item clearance distance.

For example the travis industries direct vent clearances include some distances that are different from the tables given above. 12 inches below a window 50k btuh input or greater b. Exhaust vents must not be allowed to be obscured or hidden by vegetation. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment.

Clearances to combustible material as listed on the unit nameplate and in the table in figure 11.