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036-21166 -001 REV A (0201)
ACCESSORIES
Propane Conversion Kit - INP0349
This accessory conversion kit may be used to convert natural
gas units for propane (LP) operation. Conversion should be
made by qualified distributor or dealer personnel.
High Altitude pressure switch kits - 1PS0301
This accessory kit may be used to convert units for high alti-
tude operation. Conversion must be made by a qualified dis-
tributor or dealer personnel. Please see form 650.74-N1.1V
for detailed instructions.
External Bottom Filter Rack or Horizontal End Return -
1BR0332
Application of "High Velocity" rack provides opening for (2)
16" x 19-1/2" filters (not supplied). Attached to the end of the
furnace and provides duct flanges. Will accept up to 2" filters.
External Side Return Filter Rack - ISR0302
Provides a 16 x 25 cleanable, high velocity type filter and
attaches to the furnace side panel and the return air duct.
The filter is easily replaced. Package contains six filter racks
with filters.
Furnace Twinning Control - (2TC0300124)
This twinning control accessory allows proper operation of
two furnaces when the units are installed on a a common
duct system in a commercial application. This allows a
greater system cfm and heating capacity to be attained than
would be available from a single furnace. Belt drive furnace
also requires application of an Accessory Sensor Kit -
2T03700106.
6
Unitary Products Group
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