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® Elbow, 3 in, 90 deg Angle, 4-1/2 x 5-1/4 in Center-to-End, 8 in H
| Angle | : | 90 deg |
| Center-to-End | : | 4-1/2 x 5-1/4 in |
| Dimensions | : | 8 in H |
| Size | : | 3 in |
- AmeriVent® pipe are lightweight and rugged feature, made of corrosion-resistant galvanized steel and aluminum
- End 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 pipe together
- Engagement snap-lock joint overlap to calculate height deduct 1 in for each joint
- Adjusts from 0 to 90 deg easily in order to clear rafter or ceiling joist
- Constructed of four section for smoother bend and less resistance
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