34-50 04/02/2010
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Combustion air supplied from outdoors must be free of contaminants (See Combustion and Ventilation Air).
Remote Combustion Air Inlet Package
(Includes required inlet cap and necessary appliance connector. Reduce maximum
vent length using the “Vent Pipe Fitting Equivalent” Table)
Unit Model Use Part # Size Max Equivalent Length
400 103336 6" 100’ (30.48 m)
540 103336 6" 100’ (30.48 m)
750 & 1000 102406 8" 100’ (30.48 m)
1200 103337 10" 180’ (54.86 m)
1600 & 2000 103338 12" 180’ (54.86 m)
Outdoor Installation
An optional “Outdoor vent Package” is required for units installed outdoors. This package includes an air intake top
cover and vent materials for the most common outdoor installation.
WARNING: Outdoor models MUST be installed outdoors and MUST use the outdoor package supplied by the
manufacturer as identified in the “Outdoor Package” table. All covers, doors and jacket panels must be
properly installed to insure proper operation and prevent a hazardous condition. Unwarranted product
damage, personal injury or death may result, if any of the outdoor package components are substituted, if an
outdoor model is used indoors or if the covers, doors and jacket panels are not properly installed.
Outdoor Package
(Includes top mounted air intake system, rear mounted combustion products
outlet system and pump rain shield.)
Unit Model
Outdoor Package Option # Separate Kit Part #
400 25 103307
540 25 103307
750 25 103308
1000 25 103309
1200 25 103339
1600 25 103340
2000 25 103341
WARNING: Locate the unit according to the provided instructions to minimize deflection of high winds off
adjacent walls, buildings or shrubbery, which can cause flue gas recirculation, and to minimize the
opportunity for products of combustion to enter the building. Recirculation of flue gas (products of
combustion drawn from the flue gas outlet into the combustion air inlet) can cause operational problems,
premature unwarranted product failure, or unsafe operation producing carbon monoxide. Exposure to carbon
monoxide can lead to injury or death.
Combustion air supply must be free of contaminants (See Combustion and Ventilation Air). Keep area clean and free
of combustible and flammable materials. Maintain a minimum clearance of 3" to combustible surfaces and a minimum
of 3" clearance to the air inlet. To avoid a blocked air inlet or blocked flue condition, keep the outdoor cap air inlet, flue
outlet and drain slot clear of snow, ice, leaves, debris, etc.
The unit should be located at least 3 feet (0.19m) from any wall, vertical surface or inside corner of an L-shaped
structure, to minimize the effect of adverse wind conditions on appliance performance. Do not install in locations where
rain from building runoff drains will spill onto the unit.
HORIZONTAL REMOTE AIR
VERTICAL REMOTE AIR
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