Concentric Venting System

Name: Concentric Venting System
Brand: Duravent
Availability: InStock
Rating: 4.5 (1 reviews)

Concentric Venting System (CVS) (direct vent or two-pipe system) for use with condensing natural gas or propane Categories II, III and IV appliances or Canada’s Type BH Gas Vent Systems, (having a maximum rated operating temperature of 500°F). For use with Stoves and inserts of Type L gas, pellet, oil, corn and biofuel (Rated to a continuous use flue temperature up to 570°F). CVS can be used on a wide range of appliances, including: gas boilers, warm air furnaces, water heaters, unit heaters, tankless water heaters, pellet stoves, direct vent gas or propane stoves, heaters, and fireplaces.

Applicable Standards

ANSI/UL 1738
Standard for Venting Systems for Gas-Burning Appliances, Categories II, III, and IV
ANSI/UL 641
Standard for Safety for Type L Low-Temperature Venting Systems
ULC S636
Venting Systems and the Fuel Gas Codes
ULC S609
STANDARD FOR LOW TEMPERATURE VENTS TYPE L AND PL
ULC/ORD 441
Pellet Vents

View on Manufacturer's Website

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