What Is a Type a Vent
Class a Chimney Pipe Has Many Names, Often Referred to as Double-Wall Chimney Pipe, Triple-Wall Chimney Pipe, All-Fuel Pipe, or Insulated Chimney Pipe. Class a...
Class A chimney pipe has many names, often referred to as double-wall chimney pipe, triple-wall chimney pipe, all-fuel pipe, or insulated chimney pipe. Class A pipe is used to vent high-temperature exhaust released from wood, coal, and oil-burning appliances such as fireplaces, stoves, boilers, and furnaces.
What is type a vent made of?
The outer casing must be made of 430 stainless steel, 0.45 mm (0.018 inch). The optional outer casing may be made of Galvalume steel, 0.45 mm (0.018 inch).
Is B vent a Category 3?
B-vent is ONLY allowed on Category 1 appliances unless the appliance manufacturer has specifically certified a particular B-vent system to be used alternatively.
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