National Comfort Product 14208309/HS038, Instructions Manual

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3
With the burner assembly removed, shine a flash light on 9.
the burner ribbons. Look for carbon buildup, scale, dust,
lint, and/or anything that might restrict flow through the
spaces between the burner ribbons. Holding the burner
assembly so that any foreign material will fall away from
the burner, use a stiff bristle brush to loosen and remove
any foreign materials.
If the burner is excessively dirty, remove one of the burner end
caps. Remove the four screws that hold the end cap to the
burner housing. Lightly tap the end cap to remove it. Clean all
foreign material from the burner and venturi. After the burner is
thoroughly clean, replace the end cap making certain that it is
tight against the burner housing.
NOTE: If any of the burner components are damaged or
deteriorated, replace the burner assembly.
ITEM DESCRIPTION PART NO.
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2
3
4
5
6
7
8
9
10
11
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14
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Complete Furnace Assembly 38 Mbh
Complete Furnace Assembly 51Mbh
Complete Furnace Assembly 64 Mbh
Flame Rollout Switch
Orifice Adapter
Orifice Adaptor Lock Nut
DSI Electrode Assembly
Flame Sensor
DSI Integrated Control Board w/Cooling Relay
High Temperature Limit Thermostat
Pressure Switch
High Altitude Pressure Switch
Combination Gas Valve
Venter Tube Assembly
Venter Wheel Motor Assembly
Heat Exchanger Assembly - 38 Mbh
Heat Exchanger Assembly - 51 Mbh
Heat Exchanger Assembly - 64 Mbh
Full Burner Body Assembly - 38 Mbh
Full Burner Body Assembly -51 Mbh
Full Burner Body Assembly - 64 Mbh
Control Plug Assembly (9 wire)
Natural Gas Orifice - 38 Mbh
Natural Gas Orifice - 51 Mbh
Natural Gas Orifice - 64 Mbh
L.P. Gas Orifice - 38 Mbh
L.P. Gas Orifice - 51 Mbh
L.P. Gas Orifice - 64 Mbh
Control Plug Assembly (5 wire)
1/2” 90° Street Elbow Pipe
1/2” 90° Elbow Pipe
1/2” x 8” Black Pipe Threaded Both Ends
14208309
14208308
14208303
14208314
14208315
14208316
14208317
14208318
14208319
14208320
14208324
14208325
14208326
14208327
14208328
14208329
14208330
14208331
14208332
14208333
14208334
14208335
14208336
14208337
14208338
14208339
14208340
14208341
14208342
14208349
14208350
14208351
REPLACEMENT PARTS GUIDE
For proper performance and
safety, it is important that
replacement parts be obtained
from National Comfort Products.
Please refer to the parts list at
left for the part numbers:
National Comfort Products
539 Dunksferry Road
Bensalem, PA 19020
(215) 244-1400
1-800-523-7138
Fax: (215) 244-9579
VERIFY PROPER OPERATION AFTER SERVICING.