Pentair 250K BTU/HR - Manual (Page 33)

33
REPAIR PARTS – BURNER SYSTEM
Model
Key Part 200NA 250NA 300NA 400NA
No. Description Qty. 200LP 250LP 300LP 400LP
1 Combination Gas Control Valve Kit 1 42001-0051S 42001-0051S 42001-0051S 42001-0051S
2 3/4" Union 2 38404-4097S 38404-4097S 38404-4097S 38404-4097S
3 Gas Orifice 1
• Gas Orifice Kit – NG (Incl. Key Nos. 3 and 4)† 77707-0431 460739 460753 77707-0411
• Gas Orifice Kit – Propane (Incl. Key Nos. 3 and 4)† 77707-0461 460740 460754 77707-0441
• NG to Propane Conversion Kit
(Incl. Key Nos. 3 and 4)† 77707-1461 460741 460755 77707-1441
• Propane to NG Conversion Kit
(Incl. Key Nos. 3 and 4)† 77707-1431 460742 460756 77707-1411
5 Air Blower Kit
Natural Gas Units 1 77707-0251 460743 460757 77707-0253
Propane Units 1 77707-0254 460744 460758 77707-0256
• Air Orifice Kit (Includes Key Nos. 6 and 7) 1 77707-0111 460745 460759 77707-0113
6 Air Orifice 1
7 Air Orifice Grill 1 42001-0114S 42001-0114S 42001-0114S 42001-0114S
• Blower/Adapter Plate Gasket Kit
(Includes Key Nos. 8, 9, 10, 12) 1 77707-0011 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 460746 77707-0203 77707-0204
8 Blower/Adapter Plate Gasket 1
9 Blower Adapter Plate 1
10 Flameholder/Adapter Plate Gasket 1
11 Flameholder Assembly 1
12 Flameholder/Combustion Chamber Gasket 1
13 Flameholder Insulation Cap 1
• Flameholder Insert 1
15 Condensate Evaporator Plate 1
16 One Piece Metal Chamber/Combustion Chamber
Assembly 1 42001-0200S 42001-0200S 42001-0200S 42001-0200S
• Insulation Kit (Includes Key Nos. 13, 15, 23, 24, 25
and 26) 1 77707-0008 77707-0008 77707-0008 77707-0008
23 Bottom Outer Insulation Blanket 1
24 1" Bottom Inner Insulation 1
25 1" Top Insulation 1
26 Top Outer Insulation Blanket 1
• Lower Enclosure Insulation 1 42001-0074S 42001-0074S 42001-0074S 42001-0074S
27 One Piece Metal Elbow/Combustion Chamber
Cover Assembly 1 42001-0214S 42001-0214S 42001-0214S 42001-0214S
28 Metal Vent Cover 1 42002-0005S 42002-0005S 42002-0005S 42002-0005S
* Not available separately.
† Not included with heater. Order separately.