H
E
A
T
E
R
P
A
R
T
S
450
Item
Part No.
Description
28
474292
11 ea screws, 11 ea clips and 8
34.99
42.04
wing-nuts
77707-0431
460739
460753
77707-0411
MASTERTEMP
®
HEATER (CONT’D)
BURNER SYSTEM REPLACEMENT PARTS
Item
Part No.
Description
US List
Can.
List
Qty.
77707-0441
Gas Orifice Kit – Propane,
Model 400 (Incl. Item Nos. 3
and 4) *
85.45
102.68
1
460794
NG to Propane Conversion
Kit Model 175 (Incl. Item Nos.
3 and 4) *
118.18
142.01
1
77707-1461
NG to Propane Conversion
Kit Model 200 (Incl. Item Nos.
3 and 4) *
88.35
106.16
1
460741
NG to Propane Conversion
Kit Model 250 (Incl. Item Nos.
3 and 4) *
82.17
98.74
1
460755
NG to Propane Conversion
Kit Model 300 (Incl. Item Nos.
3 and 4) *
82.17
98.74
1
77707-1441
NG to Propane Conversion
Kit Model 400 (Incl. Item Nos.
3 and 4) *
88.35
106.16
1
460795
Propane to NG Conversion
Kit Model 175 (Incl. Key Nos.
3 and 4) *
118.18
142.01
1
77707-1431
Propane to NG Conversion
Kit Model 200 (Incl. Key Nos.
3 and 4) *
88.35
106.16
1
460742
Propane to NG Conversion
Kit Model 250 (Incl. Key Nos.
3 and 4) *
82.17
98.74
1
460756
Propane to NG Conversion
Kit Model 300 (Incl. Key Nos.
3 and 4) *
82.17
98.74
1
77707-1411
Propane to NG Conversion
Kit Model 400 (Incl. Key Nos.
3 and 4) *
88.35
106.16
1
77707-0011
Blower/Adapter Plate Gasket
Kit (Includes Item Nos. 8, 9,
10, 12)
101.23
121.64
1
77707-0202
Flameholder Kit - Model 175,
Model 200 (Includes Item
Nos. 10, 11, 12 & 13)
240.55
289.04
1
460746
Flameholder Kit - Model 250
(Includes Item Nos. 10, 11, 12
& 13 and Flameholder insert)
223.75
268.86
1
77707-0203
Flameholder Kit - Model 300
(Includes Item Nos. 10, 11, 12,
13 & Flameholder Insert)
270.61
325.16
1
77707-0204
Flameholder Kit - Model 400
(Includes Item Nos. 10, 11, 12,
13 & Flameholder Insert)
315.70
379.35
1
77707-0008
Insulation Kit (Includes Item
Nos. 13, 14, 16, 17, 18, 19)
245.10
294.51
1
42001-0074S
Lower Enclosure Insulation
86.08
103.43
1
42001-0214S
Metal Vent Cover Assembly
CALL
CALL
1
461063
Kit Gas Conversion NA to
LP - MT125
94.58
113.65
1
461100
Pro Service Package - Master
Commonly replaced items in
a reusable case
1760.66
2115.61
475265
Rodent Resistant Air Orifice
Protection Cap
113.08
135.88
BURNER SYSTEM
1 42001-0051S
Combination Gas Control
682.60
820.21
1
Valve Kit
2 38404-4097S 3/4 in. Union
55.99
67.28
2
5 77707-0250
Air Blower Kit – Natural Gas
1290.62 1550.81
1
Units (Models 175NA)
5 77707-0251
Air Blower Kit - Natural Gas
1290.65 1550.85
1
Units (Models 200NA)
5
460743
Air Blower Kit - Natural Gas
1200.65 1442.70
1
Units (Models 250NA)
5
460757
Air Blower Kit - Natural Gas
1200.62 1442.66
1
Units (Models 300NA)
5 77707-0253
Air Blower Kit - Natural Gas
1290.65 1550.85
1
Units (Models 400NA)
5 77707-0254
Air Blower Kit - Propane Units
1290.65 1550.85
1
(Models 175LP, 200LP)
5
460744
Air Blower Kit - Propane Units
1200.62 1442.66
1
(Models 250LP)
5
460758
Air Blower Kit - Propane Units
1200.62 1442.66
1
(Models 300LP)
5 77707-0256
Air Blower Kit - Propane Units
1290.65 1550.85
1
(Models 400LP)
6 See Item #7 Item #6 included in Item #7
CALL
CALL
7
460798
Air Orifice Kit - Model 175
67.20
80.75
1
(Includes Item Nos. 6 and 7)
7 77707-0111
Air Orifice Kit - Model 200
102.79
123.51
1
(Includes Item Nos. 6 and 7)
7
460745
Air Orifice Kit - Model 250
95.57
114.84
1
(Includes Item Nos. 6 and 7)
7
460759
Air Orifice Kit - Model 300
95.57
114.84
1
(Includes Item Nos. 6 and 7)
7 77707-0113
Air Orifice Kit - Model 400
102.79
123.51
1
(Includes Item Nos. 6 and 7)
One Piece Metal Chamber/
15
474957
Combustion Chamber
662.37
795.90
1
Assembly
1
One Piece Metal Elbow/
20
474958
Combustion Chamber Cover
754.10
906.13
1
Assembly
1
20b
474952
Tub O-Ring Kit
1
70.94
85.24
1
21 42002-0005S Metal Vent Cover
205.45
246.87
1
22 42002-0034Z Heater Top
548.07
658.56
1
23 42002-0039Z
Side Panel (Service Panel) with
536.07
644.14
1
4 clips and 4 screws
24 42002-0033Z Side Panel (Manifold)
536.05
644.12
1
25 42002-0031Z Heater Bottom
252.05
302.86
1
26 42002-0032Z Side Panel (Flue Stack)
405.14
486.82
1
27 42002-0041Z J Box Cover
28.00
33.64
1
NOT SHOWN
Gas Orifice Kit - NG, Model
175 (Incl. Item Nos. 3 and 4) *
Gas Orifice Kit - NG, Model
200 (Incl. Item Nos. 3 and 4) *
Gas Orifice Kit - NG, Model
250 (Incl. Item Nos. 3 and 4) *
Gas Orifice Kit - NG, Model
300 (Incl. Item Nos. 3 and 4)
Gas Orifice Kit - NG, Model
400 (Incl. Item Nos. 3 and 4) *
US List
85.45
85.45
79.49
79.49
Can.
List
102.68
102.68
95.52
95.52
Qty.
461002
1
1
1
1
* Notincludedwithheater.Orderseparately.
1
For Heaters Manufactured After 11/16/13 (New 9-bolt lid tub design).
Note: Kits include Clamp Assembly, O-Ring, and Silicone Tube.
460797
77707-0461
460740
460754
Gas Orifice Kit – Propane,
Model 200 (Incl. Item Nos. 3
and 4) *
Gas Orifice Kit – Propane,
Model 250 (Incl. Item Nos. 3
and 4) *
Gas Orifice Kit – Propane,
Model 300 (Incl. Item Nos. 3
and 4) *
85.45
127.77
85.45
79.49
79.49
102.68
153.53
102.68
95.52
95.52
1
Gas Orifice Kit – Propane,
Model 175 (Incl. Item Nos. 3
and 4) *
1
1
1
1
Product on page 104–105.
