MasterTemp Heater Burner System Replacement Parts
 Pentair Water Pool and Spa®
28 29

Replacement Parts

BURNER SYSTEM 
Item No. Part No. Description
1 42001-0051S
Combination Gas Control Valve Kit
2 38404-4097S
3/4" Union
5 77707-0251
Air Blower Kit Natural Gas Units - 175NA, 200NA Model
5 460743
Air Blower Kit Natural Gas Units - 250NA Model
5 460757
Air Blower Kit Natural Gas Units - 300LP Model
5 77707-0253
Air Blower Kit Natural Gas Units - 400NA Model
5 77707-0254
Air Blower Kit Propane - 175LP, 200LP Model
5 460744
Air Blower Kit Propane Units (Models 250LP)
5 460758
Air Blower Kit Propane Units (Models 300LP)
5 77707-0256
Air Blower Kit Propane - 250LP Model
7 460798
Air Orifice Kit Model 175 (Includes Item Nos. 6 and 7)
7 77707-0111
Air Orifice Kit Model 200 (Includes Item Nos. 6 and 7)
7 460745
Air Orifice Kit Model 250 (Incudes Item Nos. 6 and 7)
7 460759
Air Orifice Kit Model 300 (Includes Item Nos. 6 and 7)
7 77707-0113
Air Orifice Kit Model 400 (Includes Item Nos. 6 and 7)
15 42001-0200S
One Piece Metal Chamber/Combustion Chamber Assembly
15 474095
One Piece Metal Chamber/Combusion Chamber Assembly
20 42001-0214S
Metal Vent Cover Assembly
20 474094
One Piece Metal Elbow/Combustion Chamber Cover Assembly
21 42002-0005S
Metal Vent Cover
22 42002-0034Z
Heater,Top
23 42002-0039Z
Side Panel {Service Panel}
24 42002-0033Z
Side Panel {Manifold}
25 42002-0031
Heater Bottom
26 42002-0032Z
Side Panel
27 42002-0041
J Box Cover
NOT SHOWN 
Item No. Part No. Description
460796
Gas Orifice Kit NG, Model 175 (Includes Item Nos. 3 and 4)1
77707-0431
Gas Orifice Kit NG, Model 200 (Incl. Key Nos. 3 and 4)1
460739
Gas Orifice Kit NG, Model 250 (Incl. Item Nos.3 and 4)1
460753
Gas Orifice Kit NG, Model 300 (Incl. Item Nos.3 and 4)1
77707-0411
Gas Orifice Kit NG, Model 400 (Incl. Item Nos. 3 and 4)1
460797
Gas Orifice Kit Propane, Model 175 (Includes Item Nos. 3 and 4)1
77707-0461
Gas Orifice Kit Propane, Model 200 (Incl. Item Nos.3 and 4)1
460740
Gas Orifice Kit Propane, Model 250 (Incl. Item Nos.3 and 4)1
460754
Gas Orifice Kit Propane, Model 300 (Incl. Item Nos.3 and 4)1
77707-0441
Gas Orifice Kit Propane, Model 400 (Incl. Item Nos.3 and 4)1
460794
NG to Propane Conversion Kit (Incl. Item Nos.3 and 4)1
77707-1461
NG to Propane Conversion Kit Model 175 (Incl. Item Nos. 3 and 4) 1
460741
NG to Propane Conversion Kit Model 250 (Incl. Item Nos. 3 and 4)1
460755
NG to Propane Conversion Kit Model 300 (Incl. Item Nos. 3 and 4)1
77707-1441
NG to Propane Conversion Kit Model 400 (Incl. Item Nos. 3 and 4)1
460795
Gas Orifice Kit Model 175 (Incl. Item Key 3 and 4)1
77707-1431
Propane to NG Conversion Kit Model 200 (Incl. Key Nos. 3 and 4)1
460742
Propane to NG Conversion Kit Model 250 (Incl. Key Nos. 3 and 4)1
460756
Propane to NG Conversion Kit Model 300 (Incl. Key Nos. 3 and 4)1
77707-1411
Propane to NG Conversion Kit Model 400 (Incl. Key Nos. 3 and 4)1
77707-0011
Blower/Adapter Plate Gasket Kit (Includes Item Nos. 8, 9, 10, 12)
77707-0202
Flameholder Kit Model 175, Model 200 (Includes Item Nos. 10, 11, 12, 13)
460746
Flameholder Kit Model 250 (Includes Item Nos. 10, 11, 12, 13 and Flameholder insert)
77707-0203
Flameholder Kit Model 300 (Includes Item Nos. 10, 11, 12, 13 and Flameholder insert)
77707-0204
Flameholder Kit Model 400 (Includes Item Nos. 10, 11, 12, 13 and Flameholder insert)
77707-0008
Insulation Kit (Includes Item Nos. 13, 14, 16, 17, 18 and 19)
42001-0074S
One Piece Metal Chamber/Combustion Chamber Assembly
42001-0214S
Metal Vent Cover Assembly


1: Not included with heater. Order separately.
2: For Heaters Manufactured After 01/12/09 (New Tub Design)


NOTE: Kits include Clamp Assembly, O-Ring and Silicone Tube

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