Temperature Controllers

A temperature controller is an essential device for managing the difference between a desired setpoint and an actual measured temperature. Ideal for applications in commercial heating, cooling, air conditioning, and refrigeration, temperature controllers provide precise on/off control to maintain optimal conditions. Modern electronic temperature controllers feature easy-to-read digital displays, enabling quick programming with a single touch. Many models include one- and two-stage capabilities, advanced diagnostic detection, and a broad setpoint temperature range, making them versatile for various heating and cooling applications.

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Temperature

Showing 385–432 of 624 resultsSorted by popularity

Temperature Control 100/240°F Open Hi 5′ Cap 5/45°F Dif

Copeland

SKU: 11B06-1
$330.68
MSRP: $380.28
You save 15%
Copeland 11B06-1 Temperature Control 100/240°F Open Hi 5' Cap 5/45°F Dif quantity
Open High-Limit Fast Response Thermostat 100-240°F 11″ Bulb

Copeland

SKU: 1145-33
$380.33
MSRP: $437.38
You save 15%
Copeland 1145-33 Open High-Limit Fast Response Thermostat 100-240°F 11" Bulb quantity
SPDT Thermostat 100-240°F, 7/45°F Differential, 1/2″ Shank

Copeland

SKU: 1131-102
$253.54
MSRP: $291.57
You save 15%
Copeland 1131-102 SPDT Thermostat 100-240°F, 7/45°F Differential, 1/2" Shank quantity
Temperature Control Board for Carrier Systems

Carrier

SKU: HK32AA002
$130.73
MSRP: $150.34
You save 15%
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Temperature Limiter for Bosch Heating Systems

Bosch HVAC

SKU: 87229638580
$51.76
MSRP: $59.52
You save 15%
Bosch 87229638580 Temperature Limiter quantity
Control Thermostat, 35–90°C Range, 3000 Series

Bosch HVAC

SKU: 7747007983
$125.28
MSRP: $144.07
You save 15%
Bosch 7747007983 Control Thermostat 35-90C 3000 quantity
Outside Air Temperature Control with Outdoor Reset

Burnham Boiler

SKU: 105648-01
$647.40
MSRP: $744.51
You save 15%
Burnham Boiler 105648-01 Outside Air Temperature Control with Reset quantity
Lead/Lag Wall Mount Controller for 3 Units

Bard HVAC

SKU: MC5300-BC
$2,481.88
MSRP: $2,854.16
You save 15%
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Digital Thermostat/Controller for Bard HVAC Systems

Bard HVAC

SKU: 8620-375
$1,676.94
MSRP: $1,928.48
You save 15%
Bard HVAC 8620-375 Digital Thermostat/Controller quantity
Freeze Protection Thermostat for Bard HVAC Systems

Bard HVAC

SKU: 8408-053
$51.99
MSRP: $59.79
You save 15%
Bard HVAC 8408-053 Freeze Protection Thermostat quantity
L50-20F Freeze Thermostat for Freeze Protection

Bard HVAC

SKU: 8408-048BX
$32.93
MSRP: $37.87
You save 13%
Bard HVAC 8408-048BX L50-20F Freeze Thermostat quantity
L250-50F Discharge Line Thermostat

Bard HVAC

SKU: 8408-039BX
$66.40
MSRP: $76.36
You save 15%
Bard HVAC 8408-039BX L250-50F Discharge Line Stat quantity
Temperature/Humidity Control for HVAC Equipment

Bard HVAC

SKU: 8403-060
$572.74
MSRP: $658.65
You save 15%
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Pneumatic Bulb Thermostat, Heating, Direct Acting, 30-90°F

Schneider Electric

SKU: TK-4012
$890.99
MSRP: $1,024.64
You save 15%
Schneider Electric (Barber Colman) TK-4012 Pneumatic Bulb Thermostat, Heating quantity
Low Temperature Thermostat, 15–55°F, Manual Reset, 20′ Capillary

Schneider Electric

SKU: TC-5242
$483.63
MSRP: $556.17
You save 15%
Schneider Electric (Barber Colman) TC-5242 Low Temperature Thermostat quantity
Low Temperature Thermostat, 35–60°F Setpoint, Manual Reset, SPDT

Schneider Electric

SKU: TC-5241
$218.65
MSRP: $251.45
You save 15%
Schneider Electric (Barber Colman) TC-5241 Low Temperature Thermostat, SPDT, 24V-277V quantity
Low Temperature Thermostat, 35–60°F Setpoint, Auto Reset, SPDT

Schneider Electric

SKU: TC-5231
$227.73
MSRP: $261.89
You save 13%
Schneider Electric (Barber Colman) TC-5231 Low Temperature Thermostat, SPDT quantity
Remote Bulb Thermostat, SPDT, 100–260°F, 10′ Armored Capillary

Schneider Electric

SKU: TC-4122
$296.40
MSRP: $403.64
You save 27%
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Remote Bulb Thermostat, SPDT, -40 to 120°F, 6′ Copper Capillary

Schneider Electric

SKU: TC-4111
$226.54
MSRP: $260.52
You save 13%
Schneider Electric (Barber Colman) TC-4111 Remote Bulb Thermostat, SPDT quantity
Strap-On Thermostat, SPDT, 50–210°F Range, 10°F Differential

Schneider Electric

SKU: TC-2974
$270.45
MSRP: $311.02
You save 15%
Schneider Electric (Barber Colman) TC-2974 Strap-On Thermostat, SPDT quantity
Changeover Thermostat, Strap-On, Summer/Winter, 75° Fixed Setpoint

Schneider Electric

SKU: TC-2931
$55.61
MSRP: $63.95
You save 13%
Schneider Electric (Barber Colman) TC-2931 Changeover Thermostat, Strap-On quantity
Duct & Immersion Low Limit Thermostat, Manual Reset, 120/240V

Schneider Electric

SKU: TA-3441
$845.99
MSRP: $972.89
You save 13%
Schneider Electric (Barber Colman) TA-3441 Duct & Immersion Low Limit Thermostat quantity
SCR Power Controller, 24–347VAC, 45A

Schneider Electric

SKU: R820-641-REV2
$561.46
MSRP: $737.14
You save 24%
Schneider Electric (Barber Colman) R820-641-REV2 SCR Power Cntrl 24-347VAC 45A quantity
Unit Temperature Controller, Direct Acting, 65-85F, Bracket Included

Schneider Electric

SKU: 2298-061
$418.79
MSRP: $481.61
You save 15%
Schneider Electric (Barber Colman) 2298-061 Unit Temperature Controller, Direct Acting, 65-85F quantity
Unit Temperature Controller, Reverse/Direct Acting, Bracket Included

Schneider Electric

SKU: 2298-060
$435.24
MSRP: $500.53
You save 13%
Schneider Electric (Barber Colman) 2298-060 Unit Temperature Controller quantity
-40/160°F NEMA 4X Temperature Switch with 3′ Capillary

Barksdale

SKU: TPR-L1N-3X-Q10
$409.81
MSRP: $471.28
You save 15%
Barksdale TPR-L1N-3X-Q10 -40/160°F NEMA 4X Temperature Switch 3' Cap quantity
LV-4 Direct Valve Mounted Thermostatic Operator with Liquid Sensor

Armstrong International

SKU: D24660
$115.99
MSRP: $133.39
You save 15%
Armstrong International D24660 LV-4 Direct Valve Mounted Thermostatic Operator with Liquid Sensor quantity
Pneumatic Temperature Switch, 10-60 PSI Range

Armstrong International

SKU: D126008
$568.33
MSRP: $653.58
You save 15%
Armstrong International D126008 Pneumatic Temperature Switch 10-60 PSI quantity
Pneumatic Temperature Switch, Model 2-9PS1

Armstrong International

SKU: D126007
$568.33
MSRP: $653.58
You save 15%
Armstrong International D126007 Pneumatic Temperature Switch 2-9PS1 quantity
Superheat and/or Temperature Control, EXD-SH1K

Copeland

SKU: EXD-SH1K
$617.93
MSRP: $710.62
You save 15%
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Freezestat Temp Control, 40-68°F, SPDT, Manual Reset, 20′ Capillary

Copeland

SKU: 097885
$127.28
MSRP: $146.37
You save 15%
Copeland 097885 Freezestat Temp Control, 40-68°F, SPDT, Manual Reset, 20' Cap (TS1-D0P) quantity
Freezestat Temp Control, 40-68°F, 5°F Diff, Auto Reset, SPDT, 20′ Cap

Copeland

SKU: 097882
$127.28
MSRP: $146.37
You save 15%
Copeland 097882 Freezestat Temperature Control, 40-68°F, SPDT, 20' Capillary (TS1-C0P) quantity
24V Dual Circuit Electronic Expansion Valve Superheat Controller

Copeland

SKU: 097176
$294.43
MSRP: $338.59
You save 15%
Copeland 097176 24V Dual Circuit EXV Superheat Controller EXD-SH2 quantity
Thermostat control for AERCO boiler and water heating systems

AERCO

SKU: 65175
$1,484.42
MSRP: $1,771.10
You save 16%
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Remote bulb temperature control, -20°F to 240°F, reverse acting

AERCO

SKU: 18557-2
$4,645.99
MSRP: $5,342.89
You save 13%
AERCO 18557-2 Remote Bulb Temperature Control -20/240F Reverse Acting quantity
Pneumatic bulb thermostat for commercial HVAC & hydronic systems

AERCO

SKU: 18557-1
$4,114.00
MSRP: $4,731.10
You save 15%
AERCO 18557-1 Pneumatic Bulb Thermostat RA-20/240 quantity
Adjustable temperature switch with -30°F to 100°F range

AAON

SKU: V53850
$128.61
MSRP: $147.90
You save 15%
Aaon V53850 Adjustable Temperature Switch -30 to 100°F quantity
Adjustable SPDT temp switch, 20–95°F range, solar/sun application

AAON

SKU: R08250
$96.49
MSRP: $110.96
You save 13%
Aaon R08250 Adjustable SPDT Temperature Switch 20/95°F Sun quantity
PI Electronic Temp Control, 24Vac, 0-10Vdc/0-20mA, -30 to 130°F, Adj. Differential

AAON

SKU: P86650
$663.08
MSRP: $779.88
You save 15%
Aaon P86650 Proportional Plus Integral Electronic Temperature Control w/ A99BC-25 Sensor quantity
FreezeStat with 20′ capillary, manual reset, dual-circuit protection

ACI

SKU: 145359
$413.69
MSRP: $475.74
You save 15%
ACI 145359 FreezeStat 20' Capillary Manual Reset 2-Circuit quantity
Freeze protection thermostat, 50 ft capillary, manual reset, 2 SPDT

ACI

SKU: 142963
$646.65
MSRP: $743.65
You save 15%
ACI 142963 FreezeStat 50 ft Capillary Manual Reset 2 SPDT quantity
Freeze protection stat, 10 ft capillary, manual reset, 2 SPDT

ACI

SKU: 106293
$276.25
MSRP: $317.69
You save 15%
ACI 106293 Freeze Stat 10' Capillary Manual Reset 2 SPDT quantity
Freeze protection stat, 20′ capillary, auto reset, dual SPDT

ACI

SKU: 105904
$263.90
MSRP: $303.49
You save 15%
ACI 105904 Freeze Stat 20' Capillary Auto Reset 2 SPDT quantity
Freeze stat with 20′ capillary, auto-reset, and 1 SPDT switching

ACI

SKU: 102483
$217.75
MSRP: $250.41
You save 15%
ACI 102483 Freeze Stat 20' Capillary Auto-Reset 1 SPDT Low-Limit Thermostat quantity
Freeze stat with 20-ft capillary, manual reset, 1 SPDT switch

ACI

SKU: 102482
$224.25
MSRP: $257.89
You save 15%
ACI 102482 Freeze Stat 20' Capillary Manual Reset 1 SPDT quantity
24VAC dual fan & limit controller, 80–120°F fan / 150–300°F limit range

A.J. Antunes

SKU: 8742130013
$427.94
MSRP: $492.13
You save 15%
A.J. Antunes 8742130013 24VAC 2-SPST Dual Fan and Limit Controller w/ 10' Sensor quantity
24VAC dual fan & limit controller with 10′ sensor

A.J. Antunes

SKU: 8742020074
$307.34
MSRP: $353.44
You save 13%
A.J. Antunes 8742020074 24VAC 2-SPST Dual Fan and Limit Controller w/ 10' Sensor quantity
Digital freezestat, 30–75°F range, SPDT, 1–10 min adjustable timing

A.J. Antunes

SKU: 8563140040
$181.43
MSRP: $208.64
You save 15%
A.J. Antunes 8563140040 Digital Freezestat SPDT 30-75°F 115VAC 20' Sensor quantity