P/N 474131 Rev. M 8/2020 MasterTemp Pool and Spa Heater
63
MASTERTEMP REPLACEMENT PARTS
Section 5. Replacement Parts
REPAIR PARTS – BURNER SYSTEM
Model
Key
Part
200NA
300NA
400NA
No.
Description
Qty.
200LP
300LP
400LP
1
Combination Gas Control Valve Kit
42001-0051S
42001-0051S
42001-0051S
2
3/4" Union
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
38404-4097S
38404-4097S
38404-4097S
3
Gas Orifice
4
Gas Orifice O-Ring
•
Gas Orifice Kit – NG (Incl. Key Nos. 3 and 4)†
77707-0431
460753
77707-0411
•
Gas Orifice Kit – Propane (Incl. Key Nos. 3 and 4)†
77707-0461
460754
77707-0441
•
NG to Propane Conversion Kit
(Incl. Key Nos. 3 and 4)†
77707-1461
460755
77707-1441
•
Propane to NG Conversion Kit
(Incl. Key Nos. 3 and 4)†
77707-1431
460756
77707-1411
5
Air Blower Kit
Natural Gas Units
77707-0251
460757
77707-0253
Propane Units
77707-0254
460758
77707-0256
•
Air Orifice Kit (Includes Key Nos. 6 and 7)
77707-0111
460759
77707-0113
6
Air Orifice
7
Air Orifice Grill
42001-0114S
42001-0114S
42001-0114S
•
Blower/Adapter Plate Gasket Kit
(Includes Key Nos. 8, 9, 10, 12)
77707-0011
77707-0011
77707-0011
•
Flameholder Kit (Includes
Key Nos. 10, 11, 12, 13 and on 300 & 400
models only - Flameholder Insert)
77707-0202
77707-0203
77707-0204
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
474095
474095
474095
•
Insulation Kit (Includes Key No. 13, 14, 16, 17,18,19)
77707-0008
77707-0008
77707-0008
16
Bottom Outer Insulation Blanket*
17
1" Bottom Inner Insulation
18
1" Top Insulation
19
Top Outer Insulation Blanket*
•
Lower Enclosure Insulation
42001-0074S
42001-0074S
42001-0074S
20
One Piece Metal Elbow/Combustion Chamber
Cover Assembly
474094
474094
474094
21
Metal Vent Cover
42002-0005S
42002-0005S
42002-0005S
Cover Assembly
42001-0214S
42001-0214S
42001-0214S
22
Heater Top
42002-0034Z
42002-0034Z
42002-0034Z
Side Panel {Service Panel}
42002-0039
42002-0039
42002-0039
24
Side Panel {Manifold}
42002-0033
42002-0033
42002-0033
Heater Bottom
42002-0031
42002-0031
42002-0031
26
25
23
Side Panel {Flue Stack}
42002-0032
42002-0032
42002-0032
27
J-Box Cover
42002-0041
42002-0041
42002-0041
28
Screw Kit, Panel
*
Not available separately.
†
Not included with heater. Order separately .
For heaters manufactured between 1/12/2009 and 10/31/2013 (clamp lid tub design)
Note: Kits also include Clamp Assembly, O-Ring and Silicon Tube.
•
Combustion Chamber O-Ring Kit
474958
474958 474958
1
1
1
1
1
1
1
1
1
1
1
474957
Combustion Air Intake Duct Connection Kit
•
1
461031
461031
461031
474292
474292
474292
For heater manufactured AFTER 10/31/2013 (New 9-bolt lid tub design)
474952
474952 474952
For heater manufactured BEFORE 1/12/2009
42001-0200S
42001-0200S
474957
42001-0214S
42001-0214S
474201
474201
474201
42001-0214S
474957