Premier Ductable Heaters
www.lbwhite.com
Owner’s Manual • Premier 350
12
Thermostat
The remote single stage thermostat that ships with the
heater is factory wired into the control circuit. See
Fig. 3. When there is a call for heat from the thermostat,
the thermostat will cycles the heater to full heat output.
FIG. 3
Installation of Heater
Inside of Structure
FIG. 4
Outside of Structure
(Air distribution accessories -
not supplied with heater)
A. Flex Duct Kit
Part Number: 500-22835 (18 in. x 12 ft. / 46 cm x 3.65
m)
1. Extend duct kit to 12 feet/3.6 meter length.
2. Mount duct to blower outlet of heater by inserting tabs
on duct adapter into vertical and horizontal slots located
at top and sides of blower outlet. See Fig. 5. Push down
on duct adapter to secure adapter into slots. See below
for typical installation of heater located at exterior.
A maximum of three (3) 12 ft. x 18 in. (3.65 m x 46 cm)
ducts can be used per heater. DO NOT attach an end
diffuser when using three ducts. See Fig. 6 for typical
installation.
FIG. 5
SLOTS
DUCT ADAPTER
WITH TABS
TAB
DUCT KIT
FIG. 6
B. End Diffuser
Part Number: 500-23189
Use only one duct (12 ft. /3.7 m x 18 in./ 48 cm) per heater
when using an end diffuser.
1. Loosen screw on duct clamp so clamp is easily positioned
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2. Slide duct adapter into duct end. Duct adapter tabs must
be facing away from duct and are located at 3, 9 and 12
o’clock positions. See Fig. 7.
3. Tighten screw clamp so adapter is held securelywithin
duct.
4. Insert tabs of adapter into slots on air diffuser back.
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diffuser.
6. Locate diffuser under side wall. See Fig. 8.
500
gallon
(1892 litre)
gas supply
(Minimum)
Minimum safe distance from
gas supply to heater must
conform to local codes
Minimum safe distance from top, sides
and back of heater to combustibles is
1 foot (0.3m)
500 gallon
(1892 litre)
gas supply
(minimum)
Minimum safe distance
from gas supply to heater
must conform to local
codes
Duct kit
Distance from heater to side wall must
comply with local codes, and be according
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Tent draped
over duct
Minimum safe
distance from
blower outlet to
combustibles is
6 feet (1.83m)
Distance from heater to side wall must
comply with local codes, and be according
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