44-608 TK1 Liquid Level Switch
10
3.5.3 Dimensional Specifications – inches (mm)
6.5 (165)
1.5" Ø
.20 (5)
2.8
8 (
73
) R
ef.
3.5 (89)
1
(25)
1
1
/
2
" or 2" NPT
1
/
2
" NPT
2 (51)Ø
0.85
(22)
1.15
(29)
➀
➁
➀
TK1 with threaded connection and
SPST or SPDT switch with flying leads
Junction box available with
SPST or SPDT reed switch
Junction box supplied
with DPDT relay
1
/
2
" NPT
2 (51)Ø
6.5 (165)
3.5 (89)
1
(25)
➀
2.8
8 (
73
) R
ef.
.20 (5)
➀
TK1 with flanged connection and
SPST or SPDT switch with flying leads
4 (102) Ref.
4
.5
(
1
1
4
)
R
e
f.
1
/
2
"
NPT
Process
Opening
3
/
4
"
NPT Conduit Opening
4.00"
1.75"
Ø
3.5
6"
3.75"
3
/
4
"
NPT Conduit Opening
1
/
2
"
NPT
Process
Opening
➀
Add 0.75" for models with extended stems.
➁
Travel below center line is 1.44" (37 mm) for models with extended stems.
Maximum Allowable
Minimum Nozzle
Nozzle Lengths
ID Required
1
1
⁄
2
" NPT
➀
2" NPT
➁
for Longer Length
Standard Stem
0.71 (18)
1.94 (49)
2.30 (58)
Extended Stem
1.25 (32)
n/a
2.88 (73)
➀
Based upon nozzle ID equaling 1.70 (43).
➁
Based upon nozzle ID equaling 2.17 (55).
Nozzle limits – Inches (mm)
