DuraVent FasNSeal 9" 29-4C Stainless Steel Single-Wall Wye h31.1 4 x Mineral Fiber Boards

4 x Mineral Fiber Boards

MBOGMS1 Series Name

Each relay can handle up to 3 heaters

Wall Switch Timer with 30

DuraVent FasNSeal 9" 29-4C Stainless Steel Single-Wall Wye h31.1 4 x Mineral Fiber BoardsAll FasNSeal (single 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