DuraVent 2"-4" Inner Diameter PolyPro Vertical Termination Extension
The DuraVent 2"-4" Inner Diameter PolyPro Vertical Termination Extension is a premium venting accessory designed to extend PolyPro vertical vent terminations for high-efficiency condensing gas appliances. Engineered for use with DuraVent PolyPro vent systems, this extension helps achieve proper vent height while maintaining reliable exhaust performance for condensing boilers, furnaces, tankless water heaters, and other Category II, III, and IV gas appliances.
As part of the trusted DuraVent PolyPro polypropylene venting system, this vertical termination extension delivers long-lasting durability and professional installation flexibility. PolyPro is specifically engineered for condensing applications with a higher operating temperature limit of 230°F (110°C) compared to PVC and CPVC. Combined with an advanced condensation management system, this PolyPro vent extension supports efficient flue gas flow, corrosion resistance, and safe, code-compliant venting for residential and commercial HVAC systems.
Features
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Vertical PolyPro Termination Extension: The DuraVent 2"-4" Inner Diameter PolyPro Vertical Termination Extension is designed to extend a PolyPro vertical vent termination for high-efficiency condensing appliance installations.
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Adds 39-Inch Vent Height: Extends the vertical vent termination an additional 1 meter (39 inches) above the roof to meet installation requirements and improve vent system performance.
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Compatible with PolyPro Concentric Vent Systems: Specifically engineered for use with DuraVent PolyPro concentric vent systems serving condensing boilers, furnaces, and tankless water heaters.
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Requires Concentric Vent Length: Designed for installation with a *1-meter (PPC-P1000) concentric vent length (sold separately) for proper system extension.
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Supports Safe and Efficient Venting: Helps maintain proper exhaust termination height for high-efficiency gas appliance vent systems, promoting reliable and code-compliant operation.
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Durable DuraVent Venting Accessory: Manufactured to integrate seamlessly with PolyPro vent components, providing dependable performance in residential and commercial HVAC applications.
Specifications
| Model |
Dimension |
| 2PPS-VTX |
2" I.D x 39" Length |
| 3PPS-VTX |
3" I.D x 39" Length |
| 4PPS-VTX |
4" I.D x 39" Length |
| Clearance |
0” clearance to combustibles / vertical installations |
| Listings |
ULC S636 is Listed as a Class IIA, IIB, and IIC vent system. |
| Warranty |
10-years Limited warranty |
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