Slant/Fin CONCEPT 21 CB-135 Replacement Parts List page 2

Ref Description
35 Air Orifice Adapter
36 Air Orifice Plate*
37 Air Orifice Gasket
38 Burner Enclosure
39 Barbed Fitting - 3/16" tube x 1/8" NPT
40 Barbed Fitting - 1/8" tube x 10-32
41 Burner Enclosure Seal
42 Burner Thumb Nut
43 Burner Hold-down Spring
44 Burner Ground Wire
45 Burner Compression Bracket
46 Ceramic Burner
47 Burner Ground Strip
48 Burner Seal Gasket
49 Gas Tube
50 3/4 NPT Gas Manifold Pipe
51 3/4 Angle Flange
52 3/4 Straight Flange
53 Convertible Gas Orifice Plate*
54 Socket Head Screw 8-32 x 2-1/4"
54 Socket Head Screw 8-32 x 1-1/2"
55 8-32 Hex Nut
60 Floor Rail
61 Casting Support Leg
62 Leg Support Bracket
63 Tray
64 Jacket Support Bracket
65 Enclosure Top Cover
66 Boiler Jacket Top Panel
67 Boiler Jacket Rear Panel
68 Boiler Jacket Front Panel
69 Boiler Jacket Left (Front) Side Panel
70 Boiler Jacket Left (Back) Side Panel
71 Boiler Jacket Right Side Panel
72 1/4 Turn Pawl Latch
72A 1/4 Turn Slotted Stud
73 Air Inlet Cover Plate
* 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.
Description
Air/Gas Orifice Plate - Nat. Gas
Air/Gas Orifice Plate - Propane
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.
2
CB-45
660031
660191
660410
660021
650600
660596
660441041
660608
650512
660654
665101
660511
660503
660431
660179
660536
660032
660033
660181
660631
660632
650668
660201
660261
660205
660168
660251
660131
660231
660217
660216
660226
660221
660211
005075
110028
660235
CB-45 CB-90 CB-135
660171 660172 660173
660175 660176 660177
CB-90 CB-135
660031 660031
660192 660193
660410 660410
660022 660023
650600 650600
660596 660596
660441044 660441047
660608 660608
650512 650512
660654 660654
665102 665103
660512 660513
660503 660503
660432 660433
660179 660179
660537 660538
660032 660032
660033 660033
660182 660183
660631 660631
660632 660632
650668 650668
660202 660203
660262 660263
660205 660205
660168 660168
660252 660253
660132 660133
660232 660233
660217 660217
660216 660216
660226 660226
660222 660223
660212 660213
005075 005075
110028 110028
660235 660235
CB-180
660174
660178
CB-180
660031
660194
660410
660024
650600
660596
660441050
660608
650512
660654
665104
660514
660503
660434
660179
660538
660032
660033
660184
660631
660632
650668
660204
660264
660205
660168
660254
660134
660234
660217
660216
660226
660224
660214
005075
110028
660235