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 49–96 of 199 resultsSorted by popularity

SPDT Temperature Control Switch, 140F

Copeland

SKU: 3L03-140
$13.61
MSRP: $15.65
You save 15%
Copeland Comfort Control 3L03-140 SPDT Temperature Control Switch, 140F 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
$136.76
MSRP: $157.27
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
$99.91
MSRP: $114.90
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
$131.93
MSRP: $151.72
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
$133.94
MSRP: $154.03
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
$86.81
MSRP: $116.05
You save 25%
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DPST Heating Temperature Controller 50–250°F 6°F Differential

Ranco

SKU: G4-4911
$160.49
MSRP: $184.56
You save 15%
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Medium Temperature Controller 0–55°F 72-Inch Capillary

Ranco

SKU: O10-1416
$132.50
MSRP: $152.38
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
$95.15
MSRP: $109.42
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
$86.10
MSRP: $99.02
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%
Ranco A30-180 SPST Refrigeration Temperature Controller 42-Inch Capillary quantity
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
$68.13
MSRP: $78.35
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
$161.14
MSRP: $185.31
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
$169.48
MSRP: $194.90
You save 15%
Ranco ETC-111100-000 SPDT Temperature Controller -30 to 220°F 120/240V with 0–10V Output quantity
SPST Temperature Controller 15°F Differential 27-Inch Capillary

Ranco

SKU: A30-542
$72.08
MSRP: $82.89
You save 15%
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SPST Ice Bin Level Controller 35–51°F 48-Inch Capillary

Ranco

SKU: A22-1129
$113.53
MSRP: $130.56
You save 15%
Ranco A22-1129 SPST Ice Bin Level Controller 35–51°F 48-Inch Capillary quantity
SPDT Medium Temperature Controller 0–55°F 72-Inch Capillary

Ranco

SKU: O16-111
$145.99
MSRP: $167.89
You save 15%
Ranco O16-111 SPDT Medium Temperature Controller 0–55°F 72-Inch Capillary quantity
Dial Temperature Controller 7°F Differential 36-Inch Capillary

Ranco

SKU: A30-1769
$101.43
MSRP: $116.64
You save 15%
Ranco A30-1769 Dial Temperature Controller 7°F Differential 36-Inch Capillary quantity
SPST 36-Inch Cap Refrigeration Control Thermostat

Ranco

SKU: A30-310
$122.54
MSRP: $140.92
You save 15%
Ranco A30-310 SPST 36-Inch Cap Refrigeration Control Thermostat quantity
Low Temperature Control Thermostat -15 to 40°F with 72 Inch Capillary

Ranco

SKU: O10-1408
$132.73
MSRP: $152.64
You save 15%
Ranco O10-1408 Low Temperature Control Thermostat -15 to 40°F with 72 Inch Capillary quantity
SPST Refrigeration Control Thermostat with 84 Inch Capillary

Ranco

SKU: A30-262
$102.94
MSRP: $118.38
You save 15%
Ranco A30-262 SPST Refrigeration Control Thermostat with 84 Inch Capillary quantity
Refrigeration Thermostat Cold Control with Capillary

Ranco

SKU: K50P-1125-001
$17.99
MSRP: $20.69
You save 15%
Ranco K50P-1125-001 Refrigeration Thermostat Cold Control with Capillary quantity
Open High Temperature Control Thermostat Fixed Setting

Ranco

SKU: A22-2237
$131.74
MSRP: $151.50
You save 15%
Ranco A22-2237 Open High Temperature Control Thermostat Fixed Setting quantity
SPDT Temperature Control Thermostat 60-98°F with 36 Inch Capillary

Ranco

SKU: C12-5010
$106.44
MSRP: $122.41
You save 15%
Ranco C12-5010 SPDT Temperature Control Thermostat 60-98°F with 36 Inch Capillary quantity
Temperature Control Thermostat

Ranco

SKU: 9531N400-070U
$78.59
MSRP: $90.38
You save 15%
Ranco 9531N400-070U Temperature Control Thermostat quantity
SPST Refrigeration Control Thermostat with 84 Inch Capillary

Ranco

SKU: A30-308
$113.53
MSRP: $130.56
You save 15%
Ranco A30-308 SPST Refrigeration Control Thermostat with 84 Inch Capillary quantity
SPST Refrigeration Control Thermostat with 72 Inch Capillary

Ranco

SKU: A30-260
$105.96
MSRP: $121.85
You save 15%
Ranco A30-260 SPST Refrigeration Control Thermostat with 72 Inch Capillary quantity
Temperature Control Thermostat 30-43.5°F with 84 Inch Capillary

Ranco

SKU: A30-3838
$86.50
MSRP: $99.48
You save 15%
Ranco A30-3838 Temperature Control Thermostat 30-43.5°F with 84 Inch Capillary quantity
Medium Temperature Controller 0–55°F 48-Inch Capillary

Ranco

SKU: O10-1010
$141.68
MSRP: $162.93
You save 15%
Ranco O10-1010 Medium Temperature Controller 0–55°F 48-Inch Capillary quantity
SPST Refrigeration Temperature Controller 84-Inch Capillary

Ranco

SKU: A30-301
$99.91
MSRP: $114.90
You save 15%
Ranco A30-301 SPST Refrigeration Temperature Controller 84-Inch Capillary quantity
SPDT Low Temperature Controller -15 to 40°F 72-Inch Capillary

Ranco

SKU: O16-588
$173.03
MSRP: $198.98
You save 15%
Ranco O16-588 SPDT Low Temperature Controller -15 to 40°F 72-Inch Capillary quantity
SPDT Low Temperature Controller

Ranco

SKU: O16-527
$136.98
MSRP: $157.53
You save 15%
Ranco O16-527 SPDT Low Temperature Controller quantity
Medium Temperature Controller 0–55°F with Bulb Coil

Ranco

SKU: O10-1418
$130.04
MSRP: $149.55
You save 15%
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SPST Refrigeration Temperature Controller 42-Inch Capillary

Ranco

SKU: A30-311
$105.41
MSRP: $121.22
You save 15%
Ranco A30-311 SPST Refrigeration Temperature Controller 42-Inch Capillary quantity
SPST Refrigeration Temperature Controller 84-Inch Capillary

Ranco

SKU: A30-263
$93.84
MSRP: $107.92
You save 15%
Ranco A30-263 SPST Refrigeration Temperature Controller 84-Inch Capillary quantity
Differential Control Thermostat with 48 Inch Capillary

Ranco

SKU: A30-323
$86.50
MSRP: $99.48
You save 15%
Read more
DPST Open-on-Low Temperature Control 0-100°F with 96 Inch Capillary

Ranco

SKU: O20-7041
$261.03
MSRP: $300.18
You save 15%
Ranco O20-7041 DPST Open-on-Low Temperature Control 0-100°F with 96 Inch Capillary quantity
Dual SPDT Temperature Control C: 71-101°F / H: 64-94°F with 26 Inch Capillary

Ranco

SKU: C17-100
$149.09
MSRP: $171.45
You save 15%
Ranco C17-100 Dual SPDT Temperature Control C: 71-101°F / H: 64-94°F with 26 Inch Capillary quantity
Oven Control Thermostat 150-550°F with 72 Inch Capillary

Ranco

SKU: G1-4913
$95.15
MSRP: $109.42
You save 15%
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Open High/Low Temperature Control 95/240°F with 96 Inch Capillary SPDT

Ranco

SKU: O60-200
$141.20
MSRP: $162.38
You save 15%
Ranco O60-200 Open High/Low Temperature Control 95/240°F with 96 Inch Capillary SPDT quantity
SPDT Temperature Control 45-81°F with 27 Inch Capillary

Ranco

SKU: A22-2451
$113.53
MSRP: $130.56
You save 15%
Ranco A22-2451 SPDT Temperature Control 45-81°F with 27 Inch Capillary quantity
SPDT Medium Temperature Control 0 to 55°F with 96 Inch Capillary

Ranco

SKU: O16-264
$157.64
MSRP: $181.29
You save 15%
Ranco O16-264 SPDT Medium Temperature Control 0 to 55°F with 96 Inch Capillary quantity
Two-Stage Temperature Control -30 to 220°F, 120/240V SPDT

Ranco

SKU: ETC-211000-000
$159.75
MSRP: $183.71
You save 15%
Ranco ETC-211000-000 Two-Stage Temperature Control -30 to 220°F, 120/240V SPDT quantity
Temperature Control 15-37°F with 35.5 Inch Capillary

Ranco

SKU: 9531N403-070U
$85.80
MSRP: $98.67
You save 15%
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