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 239 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
$118.01
MSRP: $230.41
You save 49%
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
$87.13
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
$170.88
MSRP: $418.16
You save 59%
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
SPDT Single-Stage Temperature Controller

Johnson Controls

SKU: A19ABC-24C
$123.43
Johnson Controls A19ABC-24C Single-Stage SPDT Temperature Controller quantity
Supco STC4333 333f Thermal Cutout

Supco

SKU: STC4333

Rated 5 out of 5
$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
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
$124.31
MSRP: $142.96
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%
Honeywell T675F1016 Temperature Controller 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
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
Emerson 3L01-165 Snap Disc Automatic Temperature Limit Control

White-Rodgers

SKU: 3L01-165
$6.50
Read more
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
Freeze protection stat, 10 ft capillary, manual reset, 2 SPDT

Automation Components Inc (ACI)

SKU: 106293
$267.75
MSRP: $307.91
You save 13%
ACI 106293 Freeze Stat 10' Capillary Manual Reset 2 SPDT quantity
Freeze protection stat, 20′ capillary, auto reset, dual SPDT

Automation Components Inc (ACI)

SKU: 105904
$255.78
MSRP: $294.15
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

Automation Components Inc (ACI)

SKU: 102483
$211.05
MSRP: $242.71
You save 13%
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

Automation Components Inc (ACI)

SKU: 102482
$217.35
MSRP: $249.95
You save 15%
Read more
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
Digital freezestat, 30–75°F, SPDT, 1–10 min adjustable timing, 10′ sensor

A.J. Antunes

SKU: 8563120051
$215.93
MSRP: $248.32
You save 13%
A.J. Antunes 8563120051 30-75°F 115VAC Digital Freezestat SPDT w/ Adjustable Timing quantity
High Limit Control with Manual Reset, 100–220°F, 24VAC, 15′ Sensor

A.J. Antunes

SKU: 8512130013
$461.25
MSRP: $530.44
You save 15%
A.J. Antunes 8512130013 High Limit Control 100-220°F 24VAC Manual Reset 15' Sensor quantity
White-Rodgers 998-0500-01 Copeland 998-0500-01 Discharge Temperature Control Valve 1/4 Flare

Copeland

SKU: 998-0500-01
$446.81
MSRP: $513.83
You save 15%
Copeland 998-0500-01 Discharge Temperature Control Valve 1/4 Flare quantity
Commercial gas temp controller, 250–550°F, 7/16″ tube, 48″ capillary

Robertshaw

SKU: 4350-029
$204.77
MSRP: $235.49
You save 15%
Robertshaw 4350-029 Commercial Gas Temperature Controller 250-550°F 7/16" Tube 48" Cap quantity
Commercial electronic thermostat, 100–200°F range, 48″ capillary

Robertshaw

SKU: 5000-152
$192.99
MSRP: $221.94
You save 15%
Robertshaw 5000-152 Commercial Electronic Thermostat, 100–200°F, 48" Capillary quantity
Temperature controller, 140–500°F range, 48″ capillary tube

Robertshaw

SKU: 5300-027
$162.61
MSRP: $187.00
You save 15%
Robertshaw 5300-027 Temperature Controller, 140–500°F Range, 48" Capillary quantity
1/2″ LP Snap-Action Throttling Temp Controller, 36″ Capillary, 58–90°F

Robertshaw

SKU: 700-204
$414.78
MSRP: $477.00
You save 13%
Robertshaw 700-204 1/2" LP Snap-Action Throttling Temperature Controller, 36" Capillary, 58-90°F quantity
175–375°F Temperature Controller with S.S. Bulb & 54″ Capillary Tube

Robertshaw

SKU: 5300-758
$122.54
MSRP: $140.92
You save 15%
Robertshaw 5300-758 Temperature Controller, 175–375°F, S.S. Bulb, 54" Capillary quantity
RC2 replacement thermostat for Duke commercial equipment

Robertshaw

SKU: RC-22029-2
$26.32
MSRP: $30.27
You save 13%
Robertshaw RC-22029-2 RC2 Replacement Thermostat for Duke Equipment quantity
Lower water heater thermostat, 120–160°F temperature range

Robertshaw

SKU: 5600-411
$31.19
MSRP: $35.87
You save 15%
Robertshaw 5600-411 120–160°F Lower Water Heater Thermostat 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!