DuraVent FasNSeal W2 4" 29-4C Stainless Steel Double Wall Insulated Wall Thimble With AVL Pipe d9.38 3”-5” version twist-locks onto the

3”-5” version twist-locks onto the male flex adapter

29 centimeters

54” x 8” x 2” 54” x 8” x 2” Fuel Type: Natural Gas Natural Gas Natural Gas Weight: 465 lbs 465 lbs 465 lbs Maximum Heat Output: 65

The BF10W is equipped with a hydraulic thermostat with a constant 10

Adjustable flame colors: orange

DuraVent FasNSeal W2 4" 29-4C Stainless Steel Double Wall Insulated Wall Thimble With AVL Pipe d9.38 3”-5” version twist-locks onto theFasNSeal 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