Specifications

OPTIMA 22 12
Instructions for use with Archgard vertical termination cap - Part # 999-INS-TK.
Install the termination cap making sure to provide sufficient space (around and on top) so as not
to impede the flow of air, both into and out of the cap. This cap is only to be used for non com-
bustible installations. Do not recess into the top of the chimney.
1. Mark each end of one liner with Air Intake”.
2. Mark each end of the second liner with “Exhaust”.
3. Pull the liner through the chimney.
4. Install the flashing.
5. Seal and attach the liner marked “Air Intake” to the vent terminal pipe marked Air Intake” with the collar
clamp provided.
6. Seal and attach the liner marked “Exhaust” to the vent terminal pipe marked Exhaust” with the collar clamp
provided.
7. Seal and attach the end of the flex marked Air Intake” to the collar marked “Air Intake” on the appliance
with the collar clamp provided with the unit.
8. Install one of the exhaust vent restrictors provided with the unit on Natural Gas appliances only. For
vent heights between 14’ (4.25 Meters) and 20’ (6.1 Meters) use restrictor #1, for vent height installa-
tions over 20’ (6.1 Meters) use restrictor #2. Seal and attach the end of the flex marked “Exhaust” to the
collar marked “Exhaust” on the appliance with the collar clamp provided with the unit..
10. Caulk all joints as usual.
NOTE: The vertical termination cap must be sealed to the liner with suitable high temperature sealant and with the
hose clamps fasteners provided. The liners must form a complete connection from the ap-
VENTING INSTRUCTIONS 999-INS-TK
The minimum flue (chimney) size required to run the two 3” (76 mm) is 4” x 7” (100 mm X 178 mm)
Front view of
DV Insert
Air Intake
Collar
Exhaust
Exhaust
Collar
3” (76 mm)
Flex Liner
Fresh Air
Intake
Min. vent height 8’ (2.44 M)
Max. vent height 35’ (10.6 M)
Vertical Termination
cap Part # 999-INS-TK
Place Vent Restrictor in
the position shown (on
the exhaust collar before
attaching the Flex Liner)
ONLY when operating
with NATURAL GAS with
a VENT OF 14’ to
20’ (6.1 m) restrictor #1
AND 20’ (6.1 m) ABOVE
restrictor #2
Note Vent restrictor # 1 is the
item with the notch (restrictor #
2 shown in picture
Minimum flue size for the 22-LKF2 is 6” round, Class A, wood-burning
chimney. Please see instructions enclosed with the 22-LKF2 kit.
DO NOT USE ANY VENT RESTRICTORS WITH THE 22-LKF2 KIT.