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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Showing 1–48 of 180 resultsSorted by popularity

120/240VAC SPDT Single-Stage Digital Temperature Controller

Johnson Controls

SKU: A421ABC-02C

Rated 5.00 out of 5
$108.65
Johnson Controls A421ABC-02C Digital Temperature Controller quantity
120/240V SPDT Single-Stage Digital Temperature Controller

Johnson Controls

SKU: A421ABC-03C
$88.37
Johnson Controls A421ABC-03C Line-Voltage Type 1 Temperature Control quantity
One Stage, 24 VAC Temperature Controller

Ranco

SKU: ETC-112000
$112.40
MSRP: $230.41
You save 51%
Ranco ETC-112000 One stage 24 VAC Temperature Controller quantity
Sale!
Thermostat – 47F Close / 37F Open – 10F Differential

Supco

SKU: ML37
Original price was: $8.23.Current price is: $4.12.
MSRP: $9.71
You save 58%
Supco Duro-Dyne ML37 Thermostat – 47F Close / 37F Open – 10F Differential quantity
Single-Stage Digital Temperature Controller

Johnson Controls

SKU: A421GBF-02C
$84.76
Johnson Controls A421GBF-02C Type 1 Electronic Temperature Controller quantity
Line Volt Mechanical Temperature Controller

Johnson Controls

SKU: A19ABA-40C
$85.00
MSRP: $97.75
You save 15%
Johnson Controls A19ABA-40C Line Volt Mechanical Temperature Controller quantity
Aprilaire 8120X Ventilation Control for 8140 Fresh Air Ventilator

Aprilaire

SKU: 8120X
$97.99
MSRP: $112.69
You save 15%
Aprilaire 8120X Ventilation Control for 8140 Fresh Air Ventilator quantity
Freeze Stat, 6′ Capillary, Automatic Reset, (1) SPDT

ACI

SKU: A/FS-5A
$86.99
MSRP: $100.04
You save 13%
ACI FS-5A Freeze Stat, 6' Capillary, Automatic Reset, (1) SPDT quantity
Snap Disc Fan Thermostat, Close On Rise, 120F Cut-In, 110F Cut-Out

White-Rodgers

SKU: 3F01-120
$6.73
MSRP: $14.62
You save 54%
White-Rodgers 3F01-120 3/4in Automatic Reset Snap Disc Fan Thermostat quantity
Two Stage Temperature Controller

Ranco

SKU: ETC-211000
$162.75
MSRP: $418.16
You save 61%
Ranco ETC-211000 Two Stage Temperature Controller quantity
1/2″ Bi-Metal Manual Temperature Reset

Supco

SKU: SRL250
$7.89
MSRP: $9.07
You save 15%
Supco SRL250 250F Manual Reset Rollout Limit Switch quantity
300°F Thermostat Manual Reset Rollout Limit Switch

Supco

SKU: SRL300
$8.97
MSRP: $10.32
You save 15%
Supco SRL300 300F Manual Reset Rollout Limit Switch quantity
Supco STC4333 333f Thermal Cutout

Supco

SKU: STC4333
$2.41
MSRP: $2.77
You save 15%
Supco STC4333 333f Thermal Cutout quantity
Well Immersion Hydronic Control, SPST, Open On Rise

White-Rodgers

SKU: 11D18-1
$133.09
MSRP: $293.66
You save 55%
White-Rodgers 11D18-1 Open-On-Rise Hydronic Hot Water Controller quantity
SPDT Bulb Thermostat -30 To 90F, 8 ft Capillary

White-Rodgers

SKU: 1687-9
$85.93
White-Rodgers 1687-9 Refrigeration Temperature Controller, 8ft Capillary quantity
SPDT Single-Stage Temperature Controller

Johnson Controls

SKU: A19ABC-24C
$123.43
Johnson Controls A19ABC-24C Single-Stage SPDT Temperature Controller quantity
Supco STC4300 Thermal Cutout

Supco

SKU: STC4300
$2.41
MSRP: $2.77
You save 15%
Supco STC4300 Thermal Cutout quantity
Snap Disc Fan Thermostat, Close On Rise, 110F Cut-In , 90F Cut-Out

White-Rodgers

SKU: 3F01-110
$7.55
MSRP: $14.62
You save 48%
White-Rodgers 3F01-110 3/4in Automatic Reset Snap Disc Fan Thermostat quantity
L160-20F Snap-Action Temperature Control

Supco

SKU: L160
$5.99
MSRP: $6.89
You save 15%
Supco L160-20F 160F Open Snap-Action Temperature Control quantity
Snap Disc Fan Thermostat, Close On Rise, 130F Cut-In, 115F Cut-Out

White-Rodgers

SKU: 3F01-130
$7.51
MSRP: $14.62
You save 49%
White-Rodgers 3F01-130 3/4in Automatic Reset Snap Disc Fan Thermostat quantity
1/2″ Snap Disc Thermostat, Open on Rise, Range 140/175°F

White-Rodgers

SKU: 3L11-170
$8.46
MSRP: $13.86
You save 39%
White-Rodgers 3L11-170 1/2in Snap-Disc Thermostat, 140F/175F Range quantity
Danfoss 080G3467 ERC213 Electronic Refrigeration Controller – 115V Temperature Control Unit

Danfoss

SKU: 080G3467
$116.29
MSRP: $133.73
You save 15%
Danfoss 080G3467 ERC213 Electronic Refrigeration Controller – 115V Temperature Control Unit quantity
Honeywell T675F1016 Temperature Controller

Honeywell Home

SKU: T675F1016
$199.99
MSRP: $229.99
You save 15%
Read more
Thermoswitch Temperature Control – Opens on Rise, -100°F to 400°F, 120/240V

Fenwal

SKU: 01-018052-000
$521.09
MSRP: $599.25
You save 15%
Fenwal 01-018052-000 Thermoswitch Temperature Control – Opens on Rise, -100°F to 400°F, 120/240V quantity
Johnson Controls A19BBC-4C Line Volt Mechanical Temperature Controller

Johnson Controls

SKU: A19BBC-4C
$159.72
Johnson Controls A19BBC-4C Line Volt Mechanical Temperature Controller quantity
Sale!
Emerson 3L01-165 Snap Disc Automatic Temperature Limit Control

White-Rodgers

SKU: 3L01-165
Original price was: $6.50.Current price is: $3.92.
Emerson 3L01-165 Snap Disc Automatic Temperature Limit Control quantity
Line-voltage Type 1 Electronic Temperature Control

Johnson Controls

SKU: A421ABD-02C
$139.53
Johnson Controls A421ABD-02C Line-voltage Type 1 Electronic Temperature Control quantity
Surface Mount Hydronic Temperature Control (Strap-On)

White-Rodgers

SKU: 1127-2
$151.24
MSRP: $316.38
You save 52%
White-Rodgers 1127-2 Surface-Mount Hydronic Temperature Controller quantity
Refrigeration Temperature Control, -30 To 90F, 10ft Capillary

White-Rodgers

SKU: 1609-103
$82.45
White-Rodgers 1609-103 Refrigeration Temperature Control, 10ft Capillary quantity
ETC 2 Inputs 2 Analog Outs, Sensor Included

Honeywell Home

SKU: T775M2006
$282.09
MSRP: $324.40
You save 15%
Honeywell T775M2006 Electronic Temperature Controller with Sensor quantity
Electronic Remote Temperature Controller, 2 SPDT, 2 Sensors

Honeywell Home

SKU: T775R2027
$529.99
MSRP: $609.49
You save 15%
Honeywell T775R2027 Electronic Remote Temperature Controller quantity
Temperature Control 27 to 49°F Adjustable Range

Ranco

SKU: A30-3842
$100.91
MSRP: $116.05
You save 13%
Ranco A30-3842 Temperature Control 27 to 49°F Adjustable Range quantity
SPDT Temperature Control 59–90°F with 39″ Capillary

Ranco

SKU: A22-2453
$130.25
MSRP: $149.79
You save 15%
Ranco A22-2453 SPDT Temperature Control 59–90°F with 39" Capillary quantity
Refrigeration Temperature Control SPST with 84″ Capillary

Ranco

SKU: A30-304
$95.15
MSRP: $109.42
You save 15%
Ranco A30-304 Refrigeration Temperature Control SPST with 84" Capillary quantity
Ice Harvest Temperature Control SPDT -19 to 22°F with 72″ Capillary

Ranco

SKU: A22-4506
$125.65
MSRP: $144.50
You save 15%
Ranco A22-4506 Ice Harvest Temperature Control SPDT -19 to 22°F with 72" Capillary quantity
Low Temperature Control -35 to 15°F with 72″ Capillary

Ranco

SKU: O10-1419
$127.56
MSRP: $146.69
You save 15%
Ranco O10-1419 Low Temperature Control -35 to 15°F with 72" Capillary quantity
Refrigeration Temperature Control SPST with 42″ Capillary

Ranco

SKU: A30-184
$100.91
MSRP: $116.05
You save 13%
Ranco A30-184 Refrigeration Temperature Control SPST with 42" Capillary quantity
DPST Heating Temperature Controller 50–250°F 6°F Differential

Ranco

SKU: G4-4911
$145.91
MSRP: $167.80
You save 15%
Ranco G4-4911 DPST Heating Temperature Controller 50–250°F 6°F Differential quantity
Medium Temperature Controller 0–55°F 72-Inch Capillary

Ranco

SKU: O10-1416
$126.19
MSRP: $145.12
You save 15%
Ranco O10-1416 Medium Temperature Controller 0–55°F 72-Inch Capillary quantity
Heating Temperature Controller 50–248°F 9°F Differential 48-Inch Capillary

Ranco

SKU: G1-4675
$86.50
MSRP: $99.48
You save 15%
Ranco G1-4675 Heating Temperature Controller 50–248°F 9°F Differential 48-Inch Capillary quantity
Beverage Air Temperature Controller

Ranco

SKU: 9530N1601-070U
$82.60
MSRP: $94.99
You save 15%
Ranco 9530N1601-070U Beverage Air Temperature Controller quantity
SPST Refrigeration Temperature Controller 42-Inch Capillary

Ranco

SKU: A30-180
$95.10
MSRP: $109.37
You save 15%
Read more
SPDT Temperature Controller 54–90°F 21-Inch Capillary

Ranco

SKU: C21-2014
$119.28
MSRP: $137.17
You save 15%
Ranco C21-2014 SPDT Temperature Controller 54–90°F 21-Inch Capillary quantity
SPST Temperature Controller Open Low with Average Element

Ranco

SKU: 9530N1603-070U
$86.00
MSRP: $98.90
You save 15%
Ranco 9530N1603-070U SPST Temperature Controller Open Low with Average Element quantity
SPST Refrigeration Temperature Controller 17°F Differential 30-Inch Capillary

Ranco

SKU: A30-3618
$64.88
MSRP: $74.61
You save 15%
Ranco A30-3618 SPST Refrigeration Temperature Controller 17°F Differential 30-Inch Capillary quantity
Two-Stage Temperature Controller -30 to 220°F 120/240V with 0–10V Output

Ranco

SKU: ETC-211100-000
$153.46
MSRP: $176.48
You save 15%
Ranco ETC-211100-000 Two-Stage Temperature Controller -30 to 220°F 120/240V with 0–10V Output quantity
SPDT Temperature Controller -30 to 220°F 24V with 0–10V Output

Ranco

SKU: ETC-112100-000
$154.79
MSRP: $178.01
You save 15%
Ranco ETC-112100-000 SPDT Temperature Controller -30 to 220°F 24V with 0–10V Output quantity
SPDT Temperature Controller -30 to 220°F 120/240V with 0–10V Output

Ranco

SKU: ETC-111100-000
$161.41
MSRP: $185.62
You save 15%
Ranco ETC-111100-000 SPDT Temperature Controller -30 to 220°F 120/240V with 0–10V Output quantity

Explore a diverse selection of top-rated temperature controllers from leading brands at Jackson Systems & Supply, and find the perfect fit for your system’s needs!