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This water heater may be converted to a direct-vent (sealed combustion) appliance by installing
an adapter (Part No. 9007668005 (TM-DV32)) which will bring all required combustible air from
outside the building. When installing the direct-vent conversion kit, please follow all instructions
included with the kit.
The water heater must be installed in a location where the proper amount of combustible
air will be available to it at all times without obstructions.
If used as a direct-vent appliance, the water heater requires a 4" combustible air supply
pipe. The intake pipe must be sealed airtight.
Air supply pipe can be made of ABS, PVC, galvanized steel, corrugated aluminum,
corrugated stainless steel or Category III stainless steel.
Change the dipswitch settings to the direct-vent system. (See diagram below)
Sidewall venting is recommended for the direct-vent system.
The manufacturer recommends running the exhaust vent and the intake pipe parallel.
The Direct-Vent Conversion Kit has an "INLET" mark as shown below. Do not
reverse the INLET and the EXHAUST connections when installing vent pipes.
Make sure power to the unit is
turned OFF before changing
the dipswitch settings.
7-Seg LED
Left bank of
dipswitches
Right bank of
dipswitches
Direct-Vent
Conversion Kit
"INLET" mark
DIRECT INTAKE VENT SYSTEM
DIRECT-VENT
CONVERSION KIT
INLET
- 10 -
The dark square is the direction
the dipswitch should be set to.
O N
TMP1
TMP2
TMP3
MODE
DIRE
OUT
D-PRT
MST
Left Bank of Dipswitches
EXHAUST
1
2
3
4
5
6
7
8
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