Double Wall Furnace Pipe Clearance

When combining lengths remember to subtract 1 5 from each to account for overlap.

Double wall furnace pipe clearance.

There are several gas or oil fired heating furnace clearance distance types. These systems are tested to determine the minimum clearance at which they can be installed. Clearance from combustibles ranging from 0 to 18 to 36 typically depending on the fuel type electric gas oil. To your existing vent system and features twist lock connections for easy installation.

Nh fire bear by private email 2016 07 26. The double wall chimney stove pipe adds 36 in. 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. The clearance information is found on the labels attached to the pipe and in the manufacturer s installation instructions.

This pipe has a clearance of only 6 to combustible materials and keeps flue gases warm for better draft. Click to add item supervent 8 id x 12 class a double wall vent pipe to the compare list. Maximum horizontal section of the furnace water heater double wall vent pipe cannot be longer than 100 of the vertical vent pipe length. 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.

Double wall pipe should not be cut. Most of the double wall stove pipe allows for 6 clearance from wall combustibles and 8 from ceiling combustibles. Compare click to add item supervent 8 id x 12 class a double wall vent pipe to the compare list. 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.

Double walled or close clearance stove pipe is used to connect your stove to the chimney. Add to list click to add item supervent 8 id x 12 class a double wall vent pipe to your list. Its double wall air insulated design offers superior performance and reliability for long term use. Metal double wall b vent requires 1 inch minimum clearance 3.

Many think stovepipe can run from the wood stove right up through the ceiling and roof. 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. Metal single wall generally requires 6 inches of clearance 2.