Joval proudly carries a full line of ECCO B vent /double wall products. Contact us for availability and pricing.

Residential Model E/R B-Vent Chimney Type B Gas Vent 3″ – 8″

Residential Model E/R B-Vent Chimney Type B Gas Vent 3″ – 8″. Crafted for use with all listed gas appliances having draft hoods, or other applications listed to be used with Type B Gas Vent.

Commercial Model E/V B-Vent Chimney Type B Gas Vent 10″ – 18″

Commercial Model E/V B-Vent Chimney Type B Gas Vent 10″ – 18″. A prefabricated metal vent used for venting approved gas burning equipment with flue gas temperatures at the draft hood not exceeding 470°F (245°C).