DuraVent FasNSeal W2 6" 316L Stainless Steel Double Wall Test Port h54 For SIS or SPS series

For SIS or SPS series heaters when installed in U-tube configuration

The optional heat management allows for reduction in clearance to combustibles

EPA approved Maximum log length 17" Log positioning Loading over depth Chimney diameter 6" Flue outlet diameter 6" Type of chimney CAN/ULC S629

Because no venting is required

Heavy 19 Gauge mesh curtain Mesh Door 1/8” flattened expanded steel

DuraVent FasNSeal W2 6" 316L Stainless Steel Double Wall Test Port h54 For SIS or SPS seriesFasNSeal 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