Mendota D30 Installation And Operating Instructions Manual page 50

Sock Gasket Installation
See Figures, below. The Round Sock Gasket (Woven White Fiberglass Material) is required to be assembled on the Sock Gasket
Plate (Metal Ring- Donut Shaped) as shown, below.
The Sock Gasket and the Sock Gasket Plate Assembly create the seal between the Fireplace Insert Firebox and the Vent Adapter
Box. This gasket assembly must be installed as depicted in these instructions.
WARNING: FAILURE TO INSTALL THE SOCK GASKET PROPERLY WILL RESULT IN SOOTING, GHOSTING AND
UNACCEPTABLE FLAME APPEARANCE DUE TO EXHAUST GASES RECIRCULATING BACK INTO THE FIREBOX
THROUGH THE COMBUSTION AIR INTAKE PATHS.
Figure 4-12 VENT ADAPTER ASSEMBLY
Figure 4-11 SOCK GASKET INSTALLATION
85-03-01071 D30 DEEP TIMBER Page 50