Part Number: 4GVY34
eFireplaceStore Item Number: CPF-68475
This piece is used to create a 45° offset for chimney vent piping. It has a 4" top opening, a 4" bottom opening, and a 3" wye opening. It can be used to connect two appliances to a single vent, and the branch swivels to make proper alignment easy. It will fit 4" Dura-Vent Type B gas vent pipes. A 25-year warranty is included. A Type B vent is used with gas fireplaces, furnaces, boilers, water heaters, and wall or space heaters.