DuraVent Round Type B Gas Vent Model BV 22" Large Diameter Standard Tee btu89000 or Tungsten Electric heaters must

or Tungsten Electric heaters must be placed at a 15–45-degree rotation angle varying by model

*Venting Requirements: Langley hard pipe installation requires LANGTTRK-ADP + DURA-FLEX

Once assembled with just 6 bolts

carbon dioxide (the same stuff we exhale) and steam

DuraVent Round Type B Gas Vent Model BV 22" Large Diameter Standard Tee btu89000 or Tungsten Electric heaters mustOur non positional lock system on the Duravent BV Gas Vent is the best lock system on the market today. The incorporation of the DuraTab feature simply improves our lock system by adding flexibility and meeting market needs. The BV line of Duravent round vent pipe and fittings is designed for use on approved gas appliances in residential and light commercial and industrial applications. What's Included (1) Large Diameter Standard Tee Not Included