Instruction Manual
4/8
Form 416 (01.13) ©SOR Inc. 
Dimensions
 3/4” hex set point adjusting nut
 Calibration scale
 Housing mounting pad
 See 
g
 and   for temperature 
sensing probe details
 Electrical conduit connection
 Internal primary equipment ground 
(earth) screw
 Electrical switching element 
(under terminal block)
 Terminal block
 External supplemental case ground 
(earth)
Vent hole 1/4” NPT(F) (Prevents 
pressurization of the electrical switch 
compartment in the event of sensing 
element failure.) 
(See Caution on page 2.)
B-Series
Linear = mm/inches
Drawing 0190130
Dimensions are for reference only. Contact the factory 
for certified drawings for a particular model number.
40.8
1.61
33.4
1.32
26.6
1.05
9.5
0.38
35.3
1.39
110.3
4.34
C
147.4
5.80
188.6
7.42
252.5
9.94
40.0
1.58
80.0
3.15
75.1
2.95
150.1
5.91
E
2X   
MOUNTING
HOLES
9.1
0.36
ELECTRICAL CONNECTION
(LH & RH)
B3 & B6: 3/4 NPTF (STD)
1/2 NPTF (OPT)
B4 & B5: M20 X 1.5
J4: 3/4 PFF RH ONLY
1/4 NPTF (LH & RH)
VENT CONNECTION
28.7
1.13
WRENCH FLATS
OR HEX
PROCESS
CONNECTION
1/2 NPTM
TEMPERATURE
SENSING BULB








