Dometic DFSD12 - Page 15

15
PRE-INSTALLATION
Installing The Duct Adapters
STEP1
Knockout Location
• Remove the knockout plates from the desired outlets.
• Cover all unused knockouts.

If a knockout is removed accidentally, cover plates are
available for purchase through Dometic.
Cover Plate: 31361
STEP2
Knockout Location
Duct Adapter
Ducting
• Install the duct adapters (provided) by inserting the flange
over the casing hole and turning the duct adapter 90° to
lock the tab into the casing slot.
• Securely attach ducting to the duct adapter. If using screws
to secure the ducting, do not use screws longer than 1/2".
D. Installing the Furnace
• Proceed to the appropriate installation section to install the Furnace:
• Standard Door: See “A. Installing The Furnace Using A Standard Door Option” on page 16.
• Flush Door: See “B. Installing The Furnace Using A Flush Door Option” on page 17.
• Small Vent: See “C. Installing The Furnace Using The Small Vent Option” on page 18.