Description
The DiversiTech CVS-3 is a 3-inch vent screen designed for use with DiversiTech’s CVENT-3 concentric vent system. It helps prevent debris and animals from entering the vent piping, ensuring the safe and efficient operation of appliances that utilize venting systems. The CVENT-3 system pairs with simplifies installation for high-efficiency furnaces by requiring only one hole through the wall or roof — eliminating the need to cut two separate penetrations for intake and exhaust pipes. The kit includes a combustion air inlet cap, air inlet pipe, vent pipe, and an intake/vent concentric “Y” fitting.
Features:
- Debris & pest protection — Blocks animals, insects, and debris from entering the concentric vent piping
- Designed for CVENT-3 systems — Purpose-built for 3-inch intake/vent concentric vent kits
- Single-penetration installation — The CVENT-3 system requires only one hole through the roof or sidewall instead of two
- Flexible mounting orientation — Compatible with both horizontal (through-wall) and vertical (through-roof) installations
- SDR-26 PVC construction — Made from durable SDR-26 PVC material matching the vent kit
- Easy to install and maintain — Compatible with various venting systems
- For Category IV appliances — Intended for use with Category IV high-efficiency heating appliances such as furnaces and tankless water heaters
CVENT-3 System Dimensions (from TDS):
- Overall assembled length: 39 1/8 in.
- Intake pipe diameter: 4 1/2 in.
- Air inlet pipe length: 24 in.
- Nominal vent pipe size (D): 3.0 in.
- Outer diameter (E): 7.3 in.












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