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Ref Description CB-45 CB-90 CB-135 CB-180
35 Air Orifice Adapter 660031 660031 660031 660031
36 Air Orifice Plate* 660191 660192 660193 660194
37 Air Orifice Gasket 660410 660410 660410 660410
38 Burner Enclosure 660021 660022 660023 660024
39 Barbed Fitting - 3/16" tube x 1/8" NPT 650600 650600 650600 650600
40 Barbed Fitting - 1/8" tube x 10-32 660596 660596 660596 660596
41 Burner Enclosure Seal 660441041 660441044 660441047 660441050
42 Burner Thumb Nut 660608 660608 660608 660608
43 Burner Hold-down Spring 650512 650512 650512 650512
44 Burner Ground Wire 660654 660654 660654 660654
45 Burner Compression Bracket 665101 665102 665103 665104
46 Ceramic Burner 660511 660512 660513 660514
47 Burner Ground Strip 660503 660503 660503 660503
48 Burner Seal Gasket 660431 660432 660433 660434
49 Gas Tube 660179 660179 660179 660179
50 3/4 NPT Gas Manifold Pipe 660536 660537 660538 660538
51 3/4 Angle Flange 660032 660032 660032 660032
52 3/4 Straight Flange 660033 660033 660033 660033
53 Convertible Gas Orifice Plate* 660181 660182 660183 660184
54 Socket Head Screw 8-32 x 2-1/4" 660631 660631 660631 660631
54 Socket Head Screw 8-32 x 1-1/2" 660632 660632 660632 660632
55 8-32 Hex Nut 650668 650668 650668 650668
60 Floor Rail 660201 660202 660203 660204
61 Casting Support Leg 660261 660262 660263 660264
62 Leg Support Bracket 660205 660205 660205 660205
63 Tray 660168 660168 660168 660168
64 Jacket Support Bracket 660251 660252 660253 660254
65 Enclosure Top Cover 660131 660132 660133 660134
66 Boiler Jacket Top Panel 660231 660232 660233 660234
67 Boiler Jacket Rear Panel 660217 660217 660217 660217
68 Boiler Jacket Front Panel 660216 660216 660216 660216
69 Boiler Jacket Left (Front) Side Panel 660226 660226 660226 660226
70 Boiler Jacket Left (Back) Side Panel 660221 660222 660223 660224
71 Boiler Jacket Right Side Panel 660211 660212 660213 660214
72 1/4 Turn Pawl Latch 005075 005075 005075 005075
72A 1/4 Turn Slotted Stud 110028 110028 110028 110028
73 Air Inlet Cover Plate 660235 660235 660235 660235
*
Special Note on Reference Items #36 and #53:
The parts which incorporate this revised orificing design feature a gas orifice plate which contains both the natural gas and the propane gas
orifice hole.This design allows for built-in gas conversion ease and can be identified by a label on the left side jacket panel which describes
the convertible gas orifice. For the original design orifice plate, which contains both the air and gas orifice hole, refer to the chart below.
Optional Boiler Calibration Equipment:
Calibration Gage Kit . . .665185 . . . .0 to 1" gage on stand with tubing
and service fitting adapters.
Service Fitting Adapter .660533 . . . .for gages with 3/16" I.D. tubing.
Description CB-45 CB-90 CB-135 CB-180
Air/Gas Orifice Plate - Nat. Gas 660171 660172 660173 660174
Air/Gas Orifice Plate - Propane 660175 660176 660177 660178
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