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.

Filter

Brand

Voltage

Temperature

Showing 145–192 of 608 resultsSorted by popularity

55-90°F Wall Mount Space Temperature Selector

Maxitrol

SKU: TD244
$179.23
MSRP: $206.11
You save 15%
Maxitrol TD244 55-90°F Wall Mount Space Temperature Selector quantity
40-90°F Room Override Thermostat for Modulating Systems

Maxitrol

SKU: T115
$203.21
MSRP: $233.69
You save 15%
Maxitrol T115 40-90°F Room Override Thermostat quantity
34/70°F Manual Reset Low Limit DPDT Control

Dynacon

SKU: TF142-SODP20
$265.19
MSRP: $304.97
You save 13%
Dynacon TF142-SODP20 34/70°F Manual Reset Low Limit DPDT Control quantity
Temperature Cut Out, DP-DT, 34–70°F Range, Auto Reset

Dynacon

SKU: TF142-SOAP20
$293.31
MSRP: $337.31
You save 13%
Dynacon TF142-SOAP20 Temp Cut Out DP-DT 34-70 Auto Reset quantity
Separate Remote Sensor/Dial Thermostat with 6’6″ Capillary

Macon Controls

SKU: EVOLZ
$172.75
MSRP: $198.66
You save 15%
Macon Controls EVOLZ Separate Remote Sensor/Dial Thermostat 6'6" Capillary quantity
Thermostat (T-Stat) for Indirect Water Heater Tank

Lochinvar & A.O. Smith

SKU: 100208546
$308.56
MSRP: $354.84
You save 15%
Lochinvar & A.O. Smith 100208546 T-Stat for Indirect Tank quantity
3 Stage Thermostat Control for Lochinvar & A.O. Smith

Lochinvar & A.O. Smith

SKU: 100208492
$632.00
MSRP: $726.80
You save 15%
Lochinvar & A.O. Smith 100208492 3 Stage Control (TSTAT) quantity
Limit Thermostat Control, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100170640
$287.93
MSRP: $331.12
You save 15%
Read more
Digital Temperature Control Panel Assembly, OEM Replacement

Lochinvar & A.O. Smith

SKU: 100164439
$1,769.00
MSRP: $2,034.35
You save 15%
Lochinvar & A.O. Smith 100164439 Digital Temp Ctrl Panel Assy quantity
Electronic Thermostat for Water Heating Systems

Lochinvar & A.O. Smith

SKU: 100164435
$1,958.00
MSRP: $2,251.70
You save 15%
Lochinvar & A.O. Smith 100164435 Electronic Thermostat quantity
Electronic Temperature Control for Water Heaters

Lochinvar & A.O. Smith

SKU: 100112838
$624.71
MSRP: $718.42
You save 15%
Lochinvar & A.O. Smith 100112838 Electronic Temperature Control quantity
Remote Element Controller, Proportional, 8′ Averaging, 4′ Capillary

Johnson Controls

SKU: T-8000-4
$1,521.41
MSRP: $1,749.62
You save 15%
Johnson Controls T-8000-4 Remote Element Controller, Proportional, 8' Averaging Element quantity
Remote Element Controller, Proportional Action, 15′ Capillary

Johnson Controls

SKU: T-8000-3
$1,521.41
MSRP: $1,749.62
You save 15%
Johnson Controls T-8000-3 Remote Element Controller, Proportional Action, 15' Capillary quantity
MR4 Four Stage Defrost Control, 24 Vac, ±1.8° Accuracy

Johnson Controls

SKU: MR4PMUHV-12
$573.89
MSRP: $659.97
You save 15%
Johnson Controls MR4PMUHV-12 MR4 Four Stage Defrost Control, 24 Vac quantity
Reset Control Module, LCD, Two SPDT Relays, Analog Output

Johnson Controls

SKU: C450RCN-3
$373.76
MSRP: $429.82
You save 15%
Johnson Controls C450RCN-3 Reset Control Module w/ LCD & Two SPDT Relays quantity
Temperature Control, Two Pole, Open Low, 25/90°F Range, Outdoor Case

Johnson Controls

SKU: A72AE-1
$439.36
MSRP: $505.26
You save 15%
Read more
100-170°F Manual Reset Open-Hi 6′ Capillary Temperature Controller

Johnson Controls

SKU: A70KA-1
$335.79
MSRP: $386.16
You save 15%
Johnson Controls A70KA-1 100-170°F Manual Reset Open-Hi 6' Cap Temp Controller quantity
Temperature Control, 120-240V, Single Pole, 35–80°F, Manual Reset

Johnson Controls

SKU: A70HA-2
$287.94
MSRP: $331.13
You save 15%
Johnson Controls A70HA-2 Temperature Control, 120-240 Vac, 35–80°F Range quantity
Two Circuit Temperature Control, A70HA-1G

Johnson Controls

SKU: A70HA-1G
$331.58
MSRP: $381.32
You save 15%
Read more
Temperature Control, 120-240V, SPST, Open Low, Manual Reset, 20′ Cap

Johnson Controls

SKU: A70HA-14
$332.71
MSRP: $382.62
You save 15%
Johnson Controls A70HA-14 Temperature Control, 120-240V, SPST, Manual Reset quantity
Temperature Control, Single Pole, 15-55°F, 20 ft Capillary

Johnson Controls

SKU: A70HA-1
$269.20
MSRP: $309.58
You save 15%
Johnson Controls A70HA-1 Temperature Control, Single Pole, 15-55°F, 20 ft Capillary quantity
Temperature Control, Single Pole, Open Low, 35–80°F, Auto Reset

Johnson Controls

SKU: A70GA-2
$277.15
MSRP: $318.72
You save 15%
Johnson Controls A70GA-2 Temperature Control, 120-240V, Single Pole, 35-80°F quantity
Temperature Control, Single Pole, Open Low, 15/55°F Range, Auto Reset

Johnson Controls

SKU: A70GA-1
$330.40
MSRP: $379.96
You save 15%
Johnson Controls A70GA-1 Temperature Control, 120-240V, Single Pole, Open Low quantity
Temperature Control, Single Pole, Open Low, 15–55°F, 20′ Capillary

Johnson Controls

SKU: A70BA-18
$258.61
MSRP: $297.40
You save 15%
Johnson Controls A70BA-18 Temperature Control, 120-240V, Single Pole, 15-55°F quantity
Electronic Temperature Controller, 24 VAC, NEMA 4X, -40 to 212°F

Johnson Controls

SKU: A421GEF-02
$185.45
MSRP: $213.27
You save 15%
Read more
Electronic Temperature Controller, 24 VAC, -40 to 212°F Range

Johnson Controls

SKU: A421GBF-02
$123.03
MSRP: $141.48
You save 15%
Johnson Controls A421GBF-02 Electronic Temperature Controller, 24 VAC quantity
Electronic Temperature Control, 120/240V, Off-Cycle Defrost Timer

Johnson Controls

SKU: A421AED-02
$207.58
MSRP: $238.72
You save 15%
Read more
Electronic Temperature Control, 120/240V, Off-Cycle Defrost Timer

Johnson Controls

SKU: A421AED-01
$197.03
MSRP: $226.58
You save 15%
Read more
Electronic Temperature Control, 120/240V, NEMA 4X, -40 to 212°F

Johnson Controls

SKU: A421AEC-02
$181.75
MSRP: $209.01
You save 15%
Johnson Controls A421AEC-02 Electronic Temperature Control, 120/240V, NEMA 4X quantity
Electronic Temperature Control, 120/240V, -40 to 212°F, NEMA 4X

Johnson Controls

SKU: A421AEC-01
$178.06
MSRP: $204.77
You save 15%
Johnson Controls A421AEC-01 Electronic Temperature Control, 120/240V, NEMA 4X quantity
Electronic Temperature Control, 120V, SPDT, -40 to 212°F Range

Johnson Controls

SKU: A421ABG-02
$168.78
MSRP: $194.10
You save 15%
Read more
Electronic Temperature Control with Off-Cycle Defrost Timer

Johnson Controls

SKU: A421ABD-02
$141.76
MSRP: $163.02
You save 15%
Johnson Controls A421ABD-02 Electronic Temperature Control with Off-Cycle Defrost quantity
Electronic Temperature Control, 120/240V, -40 to 212°F Range

Johnson Controls

SKU: A421ABC-06
$135.78
MSRP: $156.15
You save 15%
Read more
Electronic Temperature Control, 120/240V, -40 to 212°F Range

Johnson Controls

SKU: A421ABC-04
$130.53
MSRP: $150.11
You save 15%
Johnson Controls A421ABC-04 Electronic Temperature Control, 120/240V, -40 to 212°F quantity
Electronic Temperature Control, 120/240V, -40–212°F, NEMA 1, LCD

Johnson Controls

SKU: A421ABC-03
$128.26
MSRP: $147.50
You save 15%
Johnson Controls A421ABC-03 Electronic Temperature Control, 120/240V, -40–212°F, NEMA 1, LCD quantity
Electronic Temperature Control, 120/240V, -40 to 212°F Range

Johnson Controls

SKU: A421ABC-02
$123.03
MSRP: $141.48
You save 15%
Johnson Controls A421ABC-02 Electronic Temperature Control, 120/240V, -40 to 212°F quantity
Agricultural Two-Stage Thermostat, 120/208/240/277V, 30–110°F

Johnson Controls

SKU: A28PJ-1
$458.39
MSRP: $527.15
You save 15%
Johnson Controls A28PJ-1 Agricultural Two-Stage Thermostat, 120/208/240/277V quantity
Two-Stage Temperature Control, 60–90°F Range, Two SPDT Switches

Johnson Controls

SKU: A28GJ-33
$360.50
MSRP: $414.58
You save 15%
Johnson Controls A28GJ-33 Two-Stage Temperature Control, 120/208/240/277V quantity
Two Stage Temperature Control, 2 SPDT, 30–110°F Setpoint Range

Johnson Controls

SKU: A28AA-4
$295.66
MSRP: $340.01
You save 15%
Read more
Two-Stage Temperature Control, 2 SPDT, 40–90°F Setpoint Range

Johnson Controls

SKU: A28AA-36
$305.69
MSRP: $351.54
You save 15%
Johnson Controls A28AA-36 Two-Stage Temperature Control, 2 SPDT, 40-90°F quantity
Two Stage Temperature Control, 2 SPDT, 120-277V, -30 to 100°F

Johnson Controls

SKU: A28AA-29
$305.69
MSRP: $351.54
You save 15%
Johnson Controls A28AA-29 Two Stage Temperature Control, 2 SPDT, 120-277V quantity
Warm Air High Limit Control, SPDT, Manual Reset, 25–215°F

Johnson Controls

SKU: A25CP-1
$284.08
MSRP: $326.69
You save 15%
Johnson Controls A25CP-1 Warm Air High Limit Temperature Control, SPDT, Manual Reset quantity
Utility Thermostat, 120/208/240V, SPDT, Remote Bulb, 5′ Capillary

Johnson Controls

SKU: A19ZBC-6
$360.99
MSRP: $415.14
You save 15%
Read more
Mechanical Temp Control, SPDT, Auto Reset, 45–85°F, Defrost & Fan Delay

Johnson Controls

SKU: A19ZBC-2
$405.18
MSRP: $465.96
You save 15%
Johnson Controls A19ZBC-2 Mechanical Temperature Control, SPDT, 45–85°F quantity
Remote Bulb Temperature Control, SPDT, 0–190°F, 24–277Vac

Johnson Controls

SKU: A19QSC-4
$186.81
MSRP: $214.83
You save 15%
Johnson Controls A19QSC-4 Remote Bulb Temperature Control, SPDT, 0-190°F quantity
Remote Bulb Mechanical Temperature Control, SPDT, 0–150°F

Johnson Controls

SKU: A19QSC-1
$176.79
MSRP: $203.31
You save 15%
Johnson Controls A19QSC-1 Remote Bulb Mechanical Temperature Control, SPDT quantity
Agricultural/Industrial Mechanical Temperature Control with Knob

Johnson Controls

SKU: A19PRC-1
$338.11
MSRP: $388.83
You save 15%
Johnson Controls A19PRC-1 Agricultural/Industrial Mechanical Temperature Control quantity
Flange Mount Duct Temperature Control, SPDT, 30–110°F Range

Johnson Controls

SKU: A19EAF-2
$188.35
MSRP: $216.60
You save 15%
Read more