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The type B designation is assigned to gas venting systems that meet the safety requirements of Underwriters Laboratories, Inc. The AmeriVent all-metal, double-wall gas vent is listed as type B by UL and is approved for residential and commercial applications such as Category 1 water heaters, boilers, furnaces, space heaters, or wall heaters. UL-approved type B gas vent products form a continuous passageway from an approved gas appliance to the termination of the vent above the roof of the structure.
AmeriVent® Storm Collar, ESC Model, 3 in Size, 0.018 in Galvanized Steel, 1-7/16 in H x 3-1/2 in ID x 6-5/8 in OD
| Dimensions | : | 1-7/16 in H x 3-1/2 in ID x 6-5/8 in OD |
| Material | : | 0.018 in Galvanized Steel |
| Model | : | ESC |
| Size | : | 3 in |
- AmeriVent pipe are lightweight and rugged feature, made of corrosion-resistant galvanized steel and aluminum
- Ends have a snap-lock coupling
- 1 in minimum clearance to combustibles
- To disengage the locking tab - align the seams and pull apart
- Locking tab - to ensure a secure fit, push in the locking tab to lock the pipes together
- Engagement - snap-lock joints overlap - to calculate height deduct 1 in for each joint
- Used just above the flashing to provide protection from the weather
- Seal the inner edge with sealant against pipe
- Use above flashing or top support plate, use mastic to seal to vent pipe
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