Double Wall Furnace Pipe Clearance

There are several gas or oil fired heating furnace clearance distance types.

Double wall furnace pipe clearance.

This pipe has a clearance of only 6 to combustible materials and keeps flue gases warm for better draft. Its double wall air insulated design offers superior performance and reliability for long term use. Using a heat shield on a single wall stovepipe allows you to reduce the clearances from 18 to 6 to the wall and 9 to the ceiling. He installed a double walled pipe listed for 2 inch clearance and a non combustible heat shield for clearance reduction on the remaining single wall pipe located less than 18 inches from combustible ceiling.

One of the fire safety features of double wall type b gas vent is that its outer wall insulated by the airspace beneath it requires only 1 clearance to combustible material in the structure. Many think stovepipe can run from the wood stove right up through the ceiling and roof. Nh fire bear by private email 2016 07 26. Metal single wall generally requires 6 inches of clearance 2.

When combining lengths remember to subtract 1 5 from each to account for overlap. For added durability pelletvent seams are factory sealed on all elbows tees and fittings. Most of the double wall stove pipe allows for 6 clearance from wall combustibles and 8 from ceiling combustibles. Furnace water heater vent pipe clearance double wall typical listed and labeled double wall vent pipe clearance to combustible materials is one inch but you should always check before installation.

The clearance information is found on the labels attached to the pipe and in the manufacturer s installation instructions. Maximum horizontal section of the furnace water heater double wall vent pipe cannot be longer than 100 of the vertical vent pipe length. Double wall pipe should not be cut. Metal double wall b vent requires 1 inch minimum clearance 3.

Click to add item supervent 8 id x 12 class a double wall vent pipe to the compare list. Add to list click to add item supervent 8 id x 12 class a double wall vent pipe to your list. Double walled or close clearance stove pipe is used to connect your stove to the chimney. These systems are tested to determine the minimum clearance at which they can be installed.

To your existing vent system and features twist lock connections for easy installation. Amerivent is a complete gas venting system from 3 to 30 pipe diameters in 7 different pipe lengths to single to multi appliance hook ups. Certified double wall flue pipe systems are also available.