Piezo Pilot Ignitor - HouseWarmer HW250GW0XX1(N,P)-1 Installation Instructions And Owner's Manual

Gravity vented single wall furnace
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OPTIONAL THERMOSTAT BRACKET INSTALLATION
4.
Attach the thermostat bracket to the outer casing with two (2)
8 x 3/8" Phillips screws.
5.
Replace the outer casing.
6. Remove cover of thermostat from base.
7.
Feed wires through rectangular slots.
Piezo Pilot Ignitor Instructions
Piezo is located adjacent to gas valve. Open casing door to access
piezo ignitor.
Depressing the piezo ignitor button completely causes a spark to
occur at the pilot. This is a substitute for a match which requires
opening the pilot hole cover.
To light the pilot, it is important that the electrode be 1/8" (3 mm)
from the thermopile. The spark must occur at the point the burner
flame hits the thermopile. The end of the electrode will be red hot
with the pilot on.
On a new installation with air in the gas line, it is suggested that a
match be used. The match will light the pilot faster than the piezo
under this condition.
23800-5-0909
Figure 34
Figure 35
Figure 36

PIEZO PILOT IGNITOR

8. Attach thermostat to bracket with two (2) 8 x 3/8" Phillips
screws.
9. Connect the thermostat wires to the terminal screws.
10. Replace thermostat cover.
Figure 37
Figure 38
PIEZO IGNITOR
Figure 39
Page 17

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