The DuraVent 3"-4" PelletVent Pro Replacement Gaskets are genuine pellet stove vent replacement seals designed to restore the airtight performance of PelletVent Pro vent pipe and fitting connections. Engineered for wood pellet stoves, corn-burning appliances, biofuel heaters, and oil-fired heating systems, these high-quality gaskets help maintain a secure seal, supporting efficient exhaust flow and dependable chimney performance. Manufactured by DuraVent, the trusted leader in professional venting systems, they are ideal for routine maintenance and long-term vent system reliability.

Designed specifically for the PelletVent Pro venting system, these 3-inch and 4-inch replacement gaskets complement the system’s corrosion-resistant inner wall, laser-welded double-wall construction, and air-insulated design. PelletVent Pro is UL listed for a 1-inch clearance to combustibles in the United States and Canada, ensuring safe, code-compliant operation. Replacing worn gaskets helps preserve vent integrity, reduce leakage, and maintain the high-performance standards that have made DuraVent the preferred choice for professional pellet stove chimney installations for decades