DuraFlex AL Collection 7 Inch x 3 Inch DuraFlex AL Coupling
This DuraFlex AL 7 Inch x 3 Inch DuraFlex AL Coupling is the ultimate in flexible components for strength and flexibility. Use to connect DuraFlex AL lengths to appliance, type B gas vent, or flex lengths.
Features:
Inner Diameter: 7″
Fuel Types Compatible With: Gas, Liquid Propane
UL Listed: Yes
Length: 3″
Double Wall Construction
Limited Lifetime Warranty
An economical venting system used for relining masonry chimney for natural gas or liquid propane category I, draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent for a wide range of applications, including: natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications. Protects the masonry chimney from damaging effects of flue product condensation.
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DuraVent 7 Inch DuraFlex AL Collection
Warranty and Product Information
| Approved for Commercial Use | No |
| Collection | DuraFlex AL |
| Manufacturer Warranty | Limited Lifetime |
| Certifications | UL |
| Application | Boiler, Category I Appliances, Draft Hood Equipped Appliance, Fireplace, Furnace, Space Heater, Type B Appliance, Wall Heater, Water Heater |
| UL Listing Number | UL 1777, ULC S635 |
Dimensions and Measurements
| Product Weight | 7 lbs. |
| Length | 3 in. |
| Pipe Inside Diameter | 7 in. |
| Inner Pipe Gauge | 30 |
| Outer Pipe Gauge | 30 |
Characteristics and Features
| Configuration | Coupling |
| Pipe Class | Flexible Liner |
| Pipe Shape | Round |
| Vent Construction | Double Wall |
| Inner Pipe Material | Aluminum |
| Outer Pipe Material | Aluminum |
Electrical and Operational Information
| Fuel Type | Gas |
| Color | Aluminum |
| Color Tone | Neutrals |
