DuraVent Round Type B Gas Vent Model BV 18" Large Diameter Storm Collar btu30500 Model OB36MVN Valve Millivolt Size

Model  OB36MVN Valve  Millivolt Size 36" Fuel  Natural Gas Input  60

Batteries: Proven cost-effective and environmentally safe recycling processes are not yet universally available for alkaline batteries

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DuraLiner ensures safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue gas

DuraVent Round Type B Gas Vent Model BV 18" Large Diameter Storm Collar btu30500 Model OB36MVN Valve Millivolt SizeOur 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 Storm Collar Features Used