Operating instructions
75D0004
MLDV Series Gas Fireplace
Install restrictor disc as shown in Figure 29 for vertically vented ap-
plications.
Up to two () restrictor discs may be needed for 40' installation.
The two () restrictor discs suppled will work for most installations.
If a third disc is needed order Part No. 56D307.
You may use a reducer to 4" x 6B\," or 4" x 7" in vertically vented
applications. If a reducer is used, only one restrictor may be used.
FP1967
restrictor disc
Restrictor Disc
Fireplace Collar
FP1967
Figure 29 -
Install Restrictor Disc into Fireplace Collar