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Dimensions
Internal Set Point Adjustment, Types C120, F120
Dimension A
Model
Inches
mm
120,121
9.12
231,4
1bs-8bs
8.47
214,8
Type 822E dual switch
GROUND
7" [177.8mm]
SCREW
3-1/2 [88.9mm]
6-3/8 [161.9mm]
3-3/16 [81.0mm]
1-3/16
[30.2mm]
7/8
[22.2mm]
3/4 NPT E/C
PLUGGED
14-11/16
[373.1mm]
9" [228.6mm]
SET POINT
INDICATING
SET POINT
POINTER
ADJUSTMENT
(RED)
KNOB
npT
Immersion stem
bulb & capillary
4-11/16 [119.3mm]
1-11/16
[43.2mm]
2-1/4
[57.5mm]
5/64 (2mm)
SOCKET
COVER-LOCK
SCREW
ADJUSTMENT "D"
3/4 NPT E/C
BOTH SIDES
TEMPERATURE
INDICATING
POINTER
(BLACK)
CLEARANCE
FOR 1/4 SCREW
4 MT'G HOLES
3/8
[9.5mm]
"A"
BULB
1-17/32
[38.9mm]
External Set Point Adjustment, Types B121, B122, E121, E122, E122P
Dimension A
Model
Inches
120,121
10
2bs-8bs
9.3
13272, 13322
10
13273, 13321
9.3
Type 820E single switch
IMT120-10
mm
npT
254,0
Immersion stem
237,0
bulb & capillary
254,0
Immersion stem (freeze protection)
237,0
bulb & capillary (heat Tracing)
Model
1bs
2bs
3bs
4bs
5bs
6bs
7bs
8bs
Dimension A
Inches
mm
3-3/4
95,3
2-5/8
66,7
2-1/8
54,0
6-3/4
171,5
5
127,0
4-1/2
114,3
3
76,2
3-1/4
82,6
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