Rev. B 8/14 MASTERTEMP
®
125 Pool and Spa Heater Installation and User’s Guide
51
MASTERTEMP
®
125 HEATER REPLACEMENT PARTS
Section 6. Maintenance/Replacement Parts
REPAIR PARTS – BURNER SYSTEM
Model
Key Part
No. Description
Qty.
1 Combination Gas Control Valve Kit
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
3 Gas Orifice
4 Gas Orifice O-Ring
Fas Orifice Kit – NG (Incl. Key Nos. 3 and 4)†
Fas Orifice Kit – Propane (Incl. Key Nos. 3 and 4)†
F"G to Propane Conversion Kit
(Incl. Key Nos. 3 and 4)†
F$ropane to NG Conversion Kit
(Incl. Key Nos. 3 and 4)†
5 Air Blower Kit
Natural Gas Units
Propane Units
Fir Orifice Kit (Includes Key Nos. 6 and 7)
6 Air Orifice Kit
7 Air Orifice Grill
Flower/Adapter Plate Gasket Kit
(Includes Key Nos. 8, 9, 10, 12)
Flameholder Kit (Includes
Key Nos. 10, 11, 12, 13)
8 Blower/Adapter Plate Gasket
9 Blower Adapter Plate
10 5+6/285./:.+9</:Plate Gasket
11 5+6/285./:Assembly
12 5+6/285./:86,=;<387Chamber Gasket*
13 5+6/285./: Insulation Cap
Flameholder Insert
14 Combustion Chamber Gasket Kit
15 One Piece Metal Chamber/Combustion Chamber
Assembly (9-bolt)
Fnsulation Kit (Includes Key No. 13, 16, 17,18,19)
16 Bottom Outer Insulation Blanket*
17 1" Bottom Inner Insulation
18 1" Top Insulation
19 Top Outer Insulation Blanket*
F Lower Enclosure Insulation
20 One Piece Metal Elbow/Combustion Chamber
Cover Assembly (9-bolt)
21 Metal Vent Cover
22 Heater Top
Side Panel {Service Panel}
24 Side Panel {Manifold}
Heater Bottom
26
25
23
&3./$+7/5B5=/&<+-4C
27 J-Box Cover
28 Screws/Clips Kit, Panel (8 ea. clips & 8 ea. screws)
MT125 NA
42001-0051S
38404-4097S
474981
474980
461063
461062
474978
474977
474979
77707-0011
474994
474990
77707-0008
42001-0074S
474958
42002-0005S
42002-0034Z
474991
474992
42002-0031Z
474993
42002-0041Z
474292
* Not available separately.
Not included with heater. Order separately .
1
1
1
1
1
1
1
1
1
**
MT125 LP
474952
Combustion Air Intake Duct Connection Kit CALL
1F
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