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Gas and oil vent piping uses different types of materials depending on the applications. It is important that gas or oil flue vent pipes are installed correctly and maintained throughout the life of the furnace This pipe has a condensation problem which an adept technician will recognize and take corrective action before the corrosive effects of condensed gas residue eats through the pipe.
Application |
Type |
Temperature Range |
Gas or Oil Furnaces |
Masonary Liner Required in most applications. Check local codes |
350 to 1800 degrees F. |
Oil Furnaces |
L Vent |
1000 degrees F. |
Gas Furnaces |
B & BW Vent |
550 degrees F. |
Gas or Oil Furnaces |
Single Wall Metal Pipe Depends on application. Check local codes. |
See flue pipe manufacturers for temperature. |
Pressure vented gas furnaces |
AL29-4C (Stainless-steel) |
100 to 480 degrees F. |
It is important to check with the manufacturer of venting material for temperature ranges and application. It is also very important the the vent piping is installed correctly. The Mechanical Code and Fuel Gas code along with local codes will be applicable to different applications. Following the code is important so that the flue gases are safely vented to the atmosphere and no danger of carbon monoxide poisoning exists. The condition of the above flue vent will eventually cause a hazardous condition.
