DuraVent Round Type B Gas Vent Model BV 3" Standard Tee weather-cover while the switching contact is

while the switching contact is made in fine silver

Operable doors

000 68 7 30" ETHC30N1G (Manual) ANSI 35

Product Code Part No Size 4DT-UPPSA45 1604841 4-Inch

DuraVent Round Type B Gas Vent Model BV 3" Standard Tee weather-cover while the switching contact isOur 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) Standard Tee Not Included (Sold Separately)