Specialty Controls

Specialty Controls deliver precise automation and system management for HVAC, electrical, and industrial applications. These advanced components include terminal blocks, relays, sensors, and programmable systems that ensure reliable operation and safety. Jackson Systems offers an extensive selection of specialty control products in various configurations – shop with us for professional-grade solutions.

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Showing 49–96 of 355 resultsSorted by popularity

Interlock Control for 1 Additional HVAC Unit

Tjernlund Products

SKU: MAC1E
$256.94
MSRP: $295.48
You save 15%
Tjernlund Products MAC1E Interlock Control for 1 Additional Unit quantity
VAC Relay for Ventilation Control Systems

Tjernlund Products

SKU: 950-1040
$64.26
MSRP: $73.90
You save 15%
Tjernlund Products 950-1040 VAC Relay quantity
D35 SCR Controller for Titus HVAC Systems

Titus HVAC

SKU: CSR170
$552.06
MSRP: $634.87
You save 15%
Titus HVAC CSR170 D35 SCR Controller quantity
Ranco Variable Speed Switch, 115V, 10 Amp

Titus HVAC

SKU: 150095-02
$299.25
MSRP: $344.14
You save 15%
Titus HVAC 150095-02 Ranco Variable Speed Switch 115V 10 Amp quantity
Hi-Limit Switch, 140°F Open / 110°F Close

Trane

SKU: CNT7188
$123.59
MSRP: $142.13
You save 15%
Trane CNT7188 Hi-Limit Switch, 140°F Open / 110°F Close quantity
10/60°F SPDT Defrost Control with 52.5″ Capillary

Trane

SKU: CNT3601
$50.51
MSRP: $123.28
You save 59%
Trane CNT3601 10/60°F SPDT Defrost Control with 52.5" Capillary quantity
Throttle Control for Trane HVAC Systems

Trane

SKU: CNT07887
$12.70
MSRP: $14.61
You save 15%
Trane CNT07887 Throttle Control quantity
Heat Exhaust Comparative Module for HVAC Systems

Trane

SKU: MOD2100
$630.96
MSRP: $725.60
You save 15%
Trane MOD2100 Heat Exhaust Comparative Module quantity
Ventilation Control Module for Trane HVAC Systems

Trane

SKU: MOD2099
$534.59
MSRP: $614.78
You save 15%
Read more
Control Module for Trane HVAC Systems

Trane

SKU: MOD1388
$1,160.53
MSRP: $1,334.61
You save 15%
Trane MOD1388 Control Module quantity
Boilerless Thermostat Control, MOD1158

Trane

SKU: MOD1158
$257.13
MSRP: $295.70
You save 15%
Trane MOD1158 Boilerless Thermostat Control quantity
Odyssey Relay Module for Trane HVAC Systems

Trane

SKU: MOD04017
$157.71
MSRP: $181.37
You save 15%
Trane MOD04017 Odyssey Relay Module quantity
Unprogrammed Replacement Control Module

Trane

SKU: MOD02979
$3,457.71
MSRP: $3,976.37
You save 15%
Trane MOD02979 Unprogrammed Module quantity
Mitigation Control Board and Box Kit

Trane

SKU: KIT20608
$89.90
MSRP: $103.39
You save 15%
Trane KIT20608 Mitigation Control Board and Box quantity
Control Stat, Open at 75°F or 55°F

Trane

SKU: THT0744
$40.51
MSRP: $46.61
You save 13%
Trane THT0744 Control Stat, Open 75°F or 55°F quantity
Lead/Lag Controller for Balanced Multi-Unit Operation

iO HVAC Controls

SKU: LL
$143.51
MSRP: $165.04
You save 15%
iO HVAC Controls LL Lead/Lag Controller quantity
Percentage Timer Control with Furnace Integration

Soler & Palau (S&P)

SKU: SFM
$141.75
MSRP: $163.01
You save 15%
Soler & Palau SFM Percentage Timer Control with Furnace Integration quantity
Snow Melt Controller, Automatic Outdoor Surface Management

Stelpro

SKU: DS-2C
$731.51
MSRP: $841.24
You save 15%
Stelpro DS-2C Snow Melt Controller quantity
Display S3C RDM Controller for Refrigeration Systems

Sporlan Controls

SKU: 961626S
$818.34
MSRP: $941.09
You save 15%
Sporlan Controls 961626S Display S3C RDM Controller quantity
Temperature Control Board (TCB) with Potentiometer

Sporlan Controls

SKU: 952664
$906.15
MSRP: $1,042.07
You save 15%
Sporlan Controls 952664 TCB with Potentiometer quantity
Subcool Controller for Precise Refrigerant Management

Sporlan Controls

SKU: 952570
$973.01
MSRP: $1,118.96
You save 15%
Sporlan Controls 952570 Subcool Controller quantity
Kelvin II Superheat Controller with 3k Sensor

Parker-Sporlan

SKU: 952567
$898.83
MSRP: $1,033.65
You save 13%
Sporlan Controls 952567 Kelvin II Superheat Controller with 3k Sensor quantity
Reset Volume Control, Direct Acting/Normally Open, Beige

Sporlan Controls

SKU: 108928
$144.95
MSRP: $166.69
You save 15%
Sporlan Controls 108928 Reset Volume Control DA/NO - Beige quantity
Wireless Remote Control Receiver for SCHWANK Heaters

SCHWANK Parts

SKU: JP-1236-RK
$267.68
MSRP: $307.83
You save 15%
SCHWANK JP-1236-RK Wireless Remote Control Receiver quantity
24VAC Combustion Air Control Kit for CAS-4 (Model CAC-24)

Spirax-Sarco

SKU: 64161
$313.89
MSRP: $360.97
You save 13%
Read more
240V/208V/277V Fan Delay Control

Reznor

SKU: 234300
$145.80
MSRP: $167.67
You save 15%
Reznor 234300 240V/208V/277V Fan Delay Control quantity
Vibration Switch, SPDT, 117V AC/DC, Explosion-Proof

Robertshaw

SKU: 6000-105
$3,806.39
MSRP: $4,377.35
You save 13%
Robertshaw 6000-105 Vibration Switch, SPDT, 117V AC/DC, Explosion-Proof quantity
450°F 30″ Capillary Manual Reset High-Limit Control

Robertshaw

SKU: 5225-112
$145.63
MSRP: $167.47
You save 13%
Robertshaw 5225-112 450°F 30" Cap Manual Reset Hi-Limit Control quantity
Medium Temperature Controller, 0/55°F Range, 72″ Capillary

Ranco

SKU: O10-1473
$133.94
MSRP: $154.03
You save 13%
Ranco O10-1473 Medium Temperature Controller, 0/55°F, 72" Capillary quantity
Temperature Controller for Precise HVAC & Refrigeration Control

Ranco

SKU: MT-514E
$121.09
MSRP: $139.25
You save 15%
Ranco MT-514E Temperature Controller quantity
Defrost Termination Switch, SPST

Russell Coil

SKU: 08219273
$134.00
MSRP: $154.10
You save 15%
Russell Coil 08219273 Defrost Termination Switch SPST quantity
BTC Staging Control, 2 Stage

RBI Boiler

SKU: 14-0306
$1,100.35
MSRP: $1,265.40
You save 15%
RBI Boiler 14-0306 BTC Staging Control, 2 Stage quantity
Controller Assembly | OEM Replacement | SP21236A

Rheem

SKU: SP21236A
$431.26
MSRP: $495.95
You save 15%
Rheem-Ruud SP21236A Controller Assembly quantity
Model Data Memory Card for Rheem-Ruud HVAC Systems

Rheem

SKU: 47-102738-13
$14.95
MSRP: $17.19
You save 15%
Rheem-Ruud 47-102738-13 Model Data Memory Card quantity
Memory Module for Rheem-Ruud HVAC Systems

Rheem

SKU: 47-102738-03
$14.95
MSRP: $17.19
You save 15%
Rheem-Ruud 47-102738-03 Memory Module quantity
Low Ambient Controller, 250 Open / 450 Close Pressure

Rheem

SKU: 47-102478-01K
$47.19
MSRP: $54.27
You save 15%
Rheem-Ruud 47-102478-01K Low Ambient Controller, 250 Open / 450 Close quantity
Low Ambient Control & Low Limit Switch

Rheem

SKU: 47-100571-05
$62.40
MSRP: $71.76
You save 13%
Rheem-Ruud 47-100571-05 Low Ambient Control & Low Limit Switch quantity
Laboratory Fume Hood AOP Module for Building Automation

Siemens

SKU: 546-00090
$578.46
MSRP: $665.23
You save 15%
Siemens Building Technology 546-00090 Laboratory Fume Hood AOP Module quantity
Powers LimitEM Remote Direct Acting Limit Control

Siemens

SKU: 357-0003
$452.16
MSRP: $519.98
You save 15%
Siemens Building Technology 357-0003 Powers LimitEM Remote Direct Acting Control quantity
Multi-Input Receiver Controller for Building Automation

Siemens

SKU: 195-2000
$546.30
MSRP: $628.25
You save 15%
Read more
3-Input Recovery Control with Integrated Gauge

Siemens

SKU: 195-0003
$546.30
MSRP: $628.25
You save 15%
Siemens Building Technology 195-0003 3-Input Recovery Control with Gauge quantity
240V Circulating Defrost Timer, Odd Hour Initiation with Solenoid

Paragon

SKU: D877-20
$272.48
MSRP: $313.35
You save 15%
Paragon D877-20 240V Circulating Defrost Timer Odd Hour with Solenoid quantity
240V Circular Modular Defrost Timer, Even Hour w/ Solenoid

Paragon

SKU: A877-20
$260.96
MSRP: $300.10
You save 15%
Paragon A877-20 240V Circular Modular Defrost Timer Even Hour w/ Solenoid quantity
240V Time-Initiated, Temp/# Terminated Defrost Timer Control

Paragon

SKU: 8143-20
$143.99
MSRP: $165.59
You save 15%
Paragon 8143-20 240V Time-Initiated Temp/# Terminated Defrost Timer quantity
240V Time-Initiated Temp/Cycle-Terminated Defrost Timer

Paragon

SKU: 8141-20
$142.41
MSRP: $163.77
You save 15%
Read more
Electric Duct Heater Controller for Reliable HVAC Control

Neptronic

SKU: EVCB14NIT4S
$640.46
MSRP: $736.53
You save 15%
Neptronic EVCB14NIT4S Electric Duct Heater Controller quantity
SCR Power Controller, 45A, Multi-Phase Configuration

Neptronic

SKU: EHS45-600-10
$951.30
MSRP: $1,094.00
You save 15%
Neptronic EHS45-600-10 SCR Power Controller 45A Multi-Phase quantity
Interface Module for Nordyne HVAC Systems

Nordyne

SKU: 624689R
$223.05
MSRP: $256.51
You save 15%
Nordyne 624689R Interface Module quantity