Direct-vent natural gas heater, Illustrated parts list – Williams 4003532 User Manual
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DIRECT-VENT NATURAL GAS HEATER
THE COMFORT PRODUCTS PEOPLE
ILLUSTRATED
PARTS LIST
BURNER ASSEMBLY
25,000 BTU/HR MODEL
This list contains replaceable parts used in your furnace. When ordering parts, follow the
instructions listed under Replacement Parts on page 19 of this manual.
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KEY
PART
NO.
NUMBER
DESCRIPTION
QTY.
1
120717
Hex Nut, #10-24 **
2
2
121459
Screw, #10-24 x 1/2" **
2
3
010701
Burner Assembly
1
4
180220
Main Burner Orifice
1
5
121388
Screw, #10 x 1/2" **
4
6
070408
Manifold Gasket
1
7
171174
Manifold Assembly
1
8
170545
Reducer Fitting, 3/8" NPT to 1/8" NPT **
1
9
160968
Valve
1
10
170012
90
°
Street Elbow **
1
11
171170
Gas Inlet Pipe
1
12
170082
90
°
Elbow **
1
** Standard hardware, available at your local hardware store.
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