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Page 28
SECTION 6.
Parts List for VW and PW Heaters
6A. General Information
To order or purchase parts for the Natco Fire-
Coil Volume Water Heaters, contact your nearest
Natco wholesaler. If they cannot supply you with what
you need, contact Customer Service, Natco (see back
cover for address, telephone and fax information).
6B. Parts List
Item
Description
PILOT GAS SYSTEM
1.
Burner, Pilot Only,
Standing Pilot, Nat. ................................ W0036300
Standing Pilot, LP ................................... W0036400
2.
Pilot Thermocouple Only (not shown) .... W0036500
3.
Pilot Burner
Electrode Assy., Nat. .............................. W0030600
Electrode Assy., LP ................................ W0039600
4.
Pilot Bracket Shield ................................ 10461100
5.
Ceramic Insulator Assy. (not shown) ..... 10418805
MAIN GAS SYSTEM
6.
Burner Tray Assembly
Nat. IID, On/Off ....................................... 10571802-05
Nat. IID, Mech. Mod. ............................... 10581802-05
Nat. IID, 2-Stage ..................................... 10572102-05
Nat. Standing Pilot, On/Off ..................... 10571602-05
Nat. Standing Pilot, Mech. Mod. ............. 10571902-05
LP IID, On/Off ......................................... 10737502-05
LP IID, Mech. Mod. ................................. 10737402-05
LP IID, 2-Stage ....................................... 10737302-05
LP Standing Pilot, On/Off ....................... 10571702-05
LP Standing Pilot, Mech. Mod. ............... 10572002-05
7.
Gas Valve
Nat. IID ................................................... V0073500
Nat. Stdg Pilot, (Model 175) ................... V0058900
Nat. Stdg Pilot, (Model 250) ................... V0073300
Nat. Stdg Pilot, (Model 325-400) ............ V0049900
LP IID, On/Off, Mech. Mod.(All models) . V0073600
LP IID, 2-Stage (Models 175 thru 250) .. V0073100
LP IID, 2-Stage (Models 325 and 400) ... V0073200
LP Stdg Plt, ............................................ V0073700
8.
Burner, Main ........................................... L0052300
9.
Burner, Main w/Pilot Bracket .................. 10457500
10. Orifice, Main Burner, Nat. ....................... L0032200
Orifice, Main Burner, LP ......................... L0032900
11. Burner Tray Weldment ........................... R0099502-05
ELECTRICAL SYSTEM
12. High Tension Lead ................................. 10449513
13. Ignition Control ....................................... E0094001
14. Transformer, 115V/24V, 40VA ............... E0086100
15. Fuse Holder w/2 Amp Fuse .................... 10690300
16. Fuse, 2 Amp ........................................... E0084400
17. Switch, Flow, Outdoor ............................ E0013000
18. Fusible Link (175 thru 250) .................... E0099403
19. Switch, Toggle, On/Off ........................... E0077000
20. Switch, Hi-Limit, Manual Reset .............. E0015900
Item
Description
21. Temp Controller, Auto. Reset ................. E0014400
(Model 250) ............................................ E0141302
24. Switch, Drafthood ................................... E0121000
VENT SYSTEM
26. Vent Cap ................................................ R0318602-05
27. Drafthood ................................................ R0318702-05
28. Drafthood/Vent Cap
Adapter Plate .......................................... 10535302-05
29. Flue Transition Ring ............................... 10515502-05
30. Top Assembly ......................................... 10568006-10
31. Flue Collector Assembly ........................ 10564802-05
32. Top Filler Plate ....................................... 10535202-05
33. Clip, Baffle Retainer ............................... S0083900
34. Baffle, Heat Exchanger (8) ..................... 10697402-05
Part Number
FIREBOX COMPONENTS
35. Tile, Side ................................................ T0021400
36. Tile, Front ............................................... T0021502-05
37. Tile, Rear ................................................ T0021602-05
38. Tile Cover, Side ...................................... 10167300
39. Tile Cover, Front and Rear ..................... 10314902-05
40. Insulation, Jacket ................................... 10458902-05
WATER SYSTEM
41. Bracket, Heat Exchanger ....................... 10457000
42. Heat Exchanger, Tube Assy.
Copper (Thickwall) ................................. R0095502-05
Cupronickel (Thickwall) ......................... R0095602-05
43. Plug, 1/4 Inch NPT ................................. P0026800
44. In/Out Header
Cast Iron (S0079100), 2-Pass ................ 10593700
Bronze (S0081700), 4-Pass ................... 10546900
45. Return Header
Cast Iron (S0079200), 2-Pass ................ 10593800
Bronze (S0075400), 4-Pass ................... 10546800
46. Header Gasket (18) ................................ R0050800
47. Bolt, Dome Head (8)............................... F0046100
48. Bolt, Flat Head, Square Neck,
3/8 Inch, 16 x 2-3/4 Inch ......................... F0041000
49. Screw, Hex Cap ...................................... F0031700
50. Gasket
Cast Iron Flange ..................................... S0076500
Bronze Flange ........................................ S0028000
Bronze Flange ........................................ S0053100
51. Nut .......................................................... F0040800
52. Washer ................................................... F0011100
WATER SYSTEM - Cont'd
53. Flange, 1-1/2 in.
Cast Iron (S0076400) ............................. 10573600
Bronze (S0071800) ............................... 10489400
54. Pressure Relief Valve (125 psi) .............. A0001200
55. Pump and Rainshield Assembly
Model 175 ............................................... 10565604-07
Models 175 thru 400............................... 10565603
Model 250 ............................................... 10565605
Models 325 and 400 ............................... 10565606
56. Valve, Drain ............................................ P0058700
57. Well, Temp Control, 1/4 Inch NPT ......... E0025900
58. Nipple, Brass, 3/4 Inch ........................... P0025300
59. Nipple
Bronze .................................................... P0075700
Cast Iron ................................................. P0024400
Part Number
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