Key
No.
Description
1
Combination Gas Control Valve Kit
2
3/4" Union
3
Gas Orifice
4
Gas Orifice O-Ring
•
Gas Orifice Kit – NG (Incl. Key Nos. 3 and 4)†
•
Gas Orifice Kit – Propane (Incl. Key Nos. 3 and 4)†
•
NG to Propane Conversion Kit
(Incl. Key Nos. 3 and 4)†
•
Propane to NG Conversion Kit
(Incl. Key Nos. 3 and 4)†
5
Air Blower Kit
Natural Gas Units
Propane Units
•
Air Orifice Kit (Includes Key Nos. 6 and 7)
6
Air Orifice
7
Air Orifice Grill
•
Blower/Adapter Plate Gasket Kit
(Includes Key Nos. 8, 9, 10, 12)
•
Flameholder Kit (Includes
Key Nos. 10, 11, 12, 13 and on 300 & 400
models only - Flameholder Insert)
8
Blower/Adapter Plate Gasket
9
Blower Adapter Plate
10
Flameholder/Adapter Plate Gasket
11
Flameholder Assembly
12
Flameholder/Combustion Chamber Gasket*
13
Flameholder Insulation Cap
•
Flameholder Insert
14
Condensate Evaporator Plate
15
One Piece Metal Chamber/Combustion Chamber
Assembly
•
Insulation Kit (Includes Key Nos. 13, 14, 16, 17, 18
and 19)
16
Bottom Outer Insulation Blanket*
17
1" Bottom Inner Insulation
18
1" Top Insulation
19
Top Outer Insulation Blanket*
•
Lower Enclosure Insulation
20
One Piece Metal Elbow/Combustion Chamber
Cover Assembly
21
Metal Vent Cover
Cover Assembly
22
Heater Top
23
Side Panel {Service Panel}
24
Side Panel {Manifold}
Heater Bottom
25
26
Side Panel {Flue Stack}
27
J-Box Cover
28
Screw Kit, Panel
*
Not available separately.
†
Not included with heater. Order separately.
Rev. C 10-5-07
MASTERTEMP REPLACEMENT PARTS
REPAIR PARTS – BURNER SYSTEM
Part
Qty.
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
175NA
200NA
175LP
200LP
42001-0051S
42001-0051S
38404-4097S
38404-4097S
460794
77707-0431
460795
77707-0461
460794
77707-1461
460795
77707-1431
77707-0251
77707-0251
77707-0254
77707-0254
460798
77707-0111
42001-0114S
42001-0114S
77707-0011
77707-0011
77707-0202
77707-0202
42001-0200S
42001-0200S
77707-0008
77707-0008
42001-0074S
42001-0074S
42001-0214S
42001-0214S
42002-0005S
42002-0005S
42001-0214S
42001-0214S
42002-0034Z
42002-0034Z
42002-0039
42002-0039
42002-0033
42002-0033
42002-0031
42002-0031
42002-0032
42002-0032
42002-0041
42002-0041
XXXXXX
XXXXXX
Model
250NA
300NA
250LP
300LP
42001-0051S
42001-0051S
38404-4097S
38404-4097S
460739
460753
460740
460754
460741
460755
460742
460756
460743
460757
460744
460758
460745
460759
42001-0114S
42001-0114S
77707-0011
77707-0011
460746
77707-0203
42001-0200S
42001-0200S
77707-0008
77707-0008
42001-0074S
42001-0074S
42001-0214S
42001-0214S
42002-0005S
42002-0005S
42001-0214S
42001-0214S
42002-0034Z
42002-0034Z
42002-0039
42002-0039
42002-0033
42002-0033
42002-0031
42002-0031
42002-0032
42002-0032
42002-0041
42002-0041
XXXXXX
XXXXXX
5 1
400NA
400LP
42001-0051S
38404-4097S
77707-0411
77707-0441
77707-1441
77707-1411
77707-0253
77707-0256
77707-0113
42001-0114S
77707-0011
77707-0204
42001-0200S
77707-0008
42001-0074S
42001-0214S
42002-0005S
42001-0214S
42002-0034Z
42002-0039
42002-0033
42002-0031
42002-0032
42002-0041
XXXXXX
P/N 472592