DuraVent FasNSeal W2 5" 316L Stainless Steel Appliance Adapter 71in Do I have to use

Do I have to use the App to control my heaters

FDV200S Free Standing Direct Vent Gas Stove

Maximum height of chimney supported by the Insulated Tee fixed to a Wall Support is variable depending on the Wall Support type selected

The post is available in a variety of colors including black

DuraVent FasNSeal W2 5" 316L Stainless Steel Appliance Adapter 71in Do I have to useFasNSeal W2 (double wall) vent lengths and components feature patented built in mechanical locking band and triple lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90 from mechanical locking bands. This construction feature allows for ease of installation. The air space between the inner and outer wall on FasNSeal W2 helps to reduce the clearance to combustibles in addition to creating a heat shield