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Ussc 21
REPAIR PARTS
Key Part No. Description Qty.
1 25491 Feed Door, Painted (40484) 1
2 25692 Handle, Painted (40515) 1
3 83506 3/8 x 1-1/4 Roll Pin 1
4 891135 Spring Handle - LG 1
5 88066 Rope Gasket - 5/8” 4.6 Ft
6 88087 Glass Gasket - 1/8 thk x 1” wide 3.7 Ft
7 891131 Ceramic Glass 1
8 25464 Top Glass Retainer 1
9 25465 Bottom Glass Retainer 1
10 83202 10-24 x 3/8 Pan Head Phillips Screw 4
11 83278 Washer - 7/32 ID x 1/2 OD 4
1 69515MB Feed Door Assy. 1
2 25080B Feed Door Latch 1
3 83508 5/16-18 x 3/4 Hex Head Bolt 1
4 83338 5/16-18 Lock Nut 1
5 891373 Door Hinge Pad 2
6 83045A Washer, 3/8” ID x 7/8” OD 2
7 83274 3/8-16 Lock Nut 2
8 86643 Tube, Secondary Air (Ø0.16 holes) 1
9 86645 Tube, Secondary Air (Ø0.22 holes) 2
10 891515 Retainer, Tube (1 per Secondary Tube) 3 - 5
11 88145 Refractory Insulation 1
12 891929 Damper Rod 1
13 891331 Spring Handle - Small 1
14 891517 Hearth Plate 1
15 891761 Shield, Rear 1
16 891528 Air Deector 1
17 40292A Flue Collar 1
18 88032 Flue Collar Gasket 1.7 Ft
19 83432 5/16-18 x 1-1/2 Hex Head Bolt 3
20 83045 Washer, 5/16” ID x 3/4” OD 3
21 83431 Weld Tab 3
22 89066 Firebrick (4.5 x 9 x 1.25) 23
23 891414 Firebrick (2-1/4 x 9) 2
24 24103 Firebrick (4-1/2 x 4-1/2) 1
25 891783 Firebrick (3 x 4-1/2 ) 1
26 40561 Ash Plug 1
27 891518 Pedestal Front 1
28 891765 Pedestal, Left Side 1
29 891564 Pedestal, Right Side 1
30 891521 Pedestal Bottom 1
31 891523 Pedestal Back 1
32 891924 Pedestal Brace 1
33 891527 Ash Pan 1
34 891137 Handle 1
35 40496 Corner Trim 2
36 83466 8-32 x 1/4 Self Tapping Screw 8
37 891524 Front Pedestal Trim 1
38 891766 Left Side Pedestal Trim 1
39 891767 Right Side Pedestal Trim 1
N/S
u
891945 Trim, One Piece 1
40 891492 B36 Blower Assembly 1
N/S = Not Shown
u = Some heaters manufactured in 2011 and beyond may have
this trim instead of items 35 thru 39.
Key Part No. Description Qty.
Key Part No. Description Qty.
Key Part No. Description Qty.
Key Part No. Description Qty.
For Models with Legs
Key Part No. Description Qty.
Z
40566 Leg, Cast Iron 2
N/S 83339 Bolt, 1/4-20 x 3/4 8