Accessory List
TC-4100 Series, TC-4200 Series
260
© Copyright 2006 TAC. All Rights Reserved. F-27382-1
Two-Position, Single & Dual Bulb Thermostats
Model Chart
For on-off control of media temperature in
ducts, tanks, liquid lines, etc.
Features:
• Heating or cooling applications.
• Adjustable differential on all except TC-4166.
• 1/2 in. conduit connections.
• Agency approval.
• Duct/immersion/outside mounting kits available.
• Concealed adjustment plate.
Model No. Type
Dual
a
Bulb
Ratio
a
First number of reset ratio typically indicates outdoor air temperature change required to increase the setpoint by the second number.
Dimensions
Capillary Copper
ft. (m)
Bulb Copper in. (mm)
TC-4111
Single stage,
single bulb
⎯
8 (2.4)
3/8 x 4 (9.5 x 102)
TC-4111-020 20 (6)
TC-4112
8 (2.4)
TC-4115
b
b
Refer to Electrical Ratings Table.
TC-4121
10 (3) ArmoredTC-4122
TC-4123
TC-4151
Single stage,
dual bulb
1:1-1/2
c
c
For 1-1/2:1 ratio, reverse bulbs and use extra dial supplied with unit.
30 (9) Each bulb
Indoor Outdoor
3/8 x 4
(9.5 x 102)
3/8 x 5-1/2
(9.5 x 140)
TC-4152 1:1
3/8 x 4
(9.5 x 102)
TC-4166
Single stage,
return air bulb
⎯ None Coiled 2-1/2 x 2 (64 x 51)
TC-4211
Two stage,
single bulb
⎯
8 (2.4)
3/8 x 4 (9.5 x 102)
TC-4221
10 (3) ArmoredTC-4222
TC-4223
TC-4251
Two stage,
dual bulb
1:1-1/2
c
30 (9) Each bulb
Indoor Outdoor
3/8 x 4
(9.5 x 102)
3/8 x 5-1/2
(9.5 x 140)
TC-4252 1:1
3/8 x 4
(9.5 x 140)
TC-4266
Two stage,
return air bulb
⎯ None Coiled 2-1/2 x 2 (64 x 51)
TC
-
4100
Series,
TC-420
0
Series
Typical
Return Air Bulb
Typical
Single Bulb
Typical
Dual Bulb










