Premier Ductable Heaters
Owner’s Manual • Premier 350
21
Igniter Assembly
The igniter is mounted on the heat chamber panel.
FIG. 24
1. Disconnect the high voltage ignition lead from the igniter.
2. Remove the two screws securing the igniter to the sheet metal
panel.
3. Igniter gap should be 1/8 in. See Fig. 25.
FIG. 25
The igniter and ground rod should be cleaned during routine
maintenance to maintain proper ignition.
-- Use steel wool or emery cloth.
-- Rub briskly to remove buildup of dust, dirt,
and oxide.
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-- Replace the igniter if cracks are found.
Manual Reset High Limit
Switches
This heater has two high limit switches. One is located
at the burner end of the heater on the heat chamber.
See Fig. 26. The other is located on the fan housing end
above the fan motor. See Fig. 27.
FIG. 26
FIG. 27
Their purpose is to safely shut the heater down if the
heater should overheat.
Burner end limit:
Protects the burner and associ-
ated wiring from overheating caused by excessive gas
pressure.
WARNING
Burn Hazard
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switch bypassed.
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may lead to overheating, possibly resulting in a
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property damage.
High
limit
switch
High
limit
switch
Igniter
Igniter lead
1/8 IN. (0.318 cm)