Controls 120/240vac Voltage

All Types

Image for Control Valves

Control Valves

Image for Ignition Modules

Ignition Modules

Image for Dampers

Dampers

Image for Valves

Valves

Image for Sensors

Sensors

Image for Pressure Controls

Pressure Controls

Image for Actuators

Actuators

Image for Building Automation Systems

Building Automation Systems

Image for Controllers

Controllers

Image for Water Level Controls

Water Level Controls

Image for Switches

Switches

Image for Timers

Timers

Image for Control Panels

Control Panels

Image for Transformers

Transformers

Image for Aquastats

Aquastats Drives

Image for Room Controllers

Room Controllers

Image for Electric Heaters

Electric Heaters

Image for Boiler Controls

Boiler Controls

Image for Control Boards

Sort by

Johnson Controls A421AEC-02C Single Stage Temp Controller with Sensor, 120/240VAC, NEMA4X, 6' 7" lead, -40 to 212F, HTG/CLG | Blackhawk Supply

A421AEC-02C | Single Stage Temp Controller with Sensor, 120 / 240VAC, NEMA4X, 6' 7" lead, -40 to 212F, HTG / CLG | Johnson Controls

Brand: Johnson Controls

SKU: A421AEC-02C

Johnson Controls A421ABD-02C Single Stage Temp Controller with Sensor, Off-Cycle Defrost Timer, 120/240VAC, NEMA1, 6' 7" lead, -40 to 212F, HTG/CLG | Blackhawk Supply

A421ABD-02C | Single Stage Temp Controller with Sensor, Off-Cycle Defrost Timer, 120 / 240VAC, NEMA1, 6' 7" lead, -40 to 212F, HTG / CLG | Johnson Controls

Brand: Johnson Controls

SKU: A421ABD-02C

Johnson Controls A421AEC-01C Single Stage Temp Controller with Sensor, 120/240VAC, NEMA4X, 9" lead, -40 to 212F, HTG/CLG | Blackhawk Supply

A421AEC-01C | Single Stage Temp Controller with Sensor, 120 / 240VAC, NEMA4X, 9" lead, -40 to 212F, HTG / CLG | Johnson Controls

Brand: Johnson Controls

SKU: A421AEC-01C

Johnson Controls A421ABC-04C Single Stage Temp Controller with Sensor, 120/240VAC, NEMA1, 13' 1" lead, -40 to 212F, HTG/CLG | Blackhawk Supply

A421ABC-04C | Single Stage Temp Controller with Sensor, 120 / 240VAC, NEMA1, 13' 1" lead, -40 to 212F, HTG / CLG | Johnson Controls

Brand: Johnson Controls

SKU: A421ABC-04C

Johnson Controls A421ABJ-02C Single Stage Temp Controller with Sensor, Duty-Cycle Timer, 120/240VAC, NEMA1, 6' 7" lead, -40 to 212F, HTG/CLG | Blackhawk Supply

A421ABJ-02C | Single Stage Temp Controller with Sensor, Duty-Cycle Timer, 120 / 240VAC, NEMA1, 6' 7" lead, -40 to 212F, HTG / CLG | Johnson Controls

Brand: Johnson Controls

SKU: A421ABJ-02C

Johnson Controls A421AED-02C Single Stage Temp Controller with Sensor, Off-Cycle Defrost Timer, 120/240VAC, NEMA4X, 6' 7" lead, -40 to 212F, HTG/CLG | Blackhawk Supply

A421AED-02C | Single Stage Temp Controller with Sensor, Off-Cycle Defrost Timer, 120 / 240VAC, NEMA4X, 6' 7" lead, -40 to 212F, HTG / CLG | Johnson Controls

Brand: Johnson Controls

SKU: A421AED-02C

Johnson Controls A421AED-01C Single Stage Temp Controller with Sensor, Off-Cycle Defrost Timer, 120/240VAC, NEMA4X, 9" lead, -40 to 212F, HTG/CLG | Blackhawk Supply

A421AED-01C | Single Stage Temp Controller with Sensor, Off-Cycle Defrost Timer, 120 / 240VAC, NEMA4X, 9" lead, -40 to 212F, HTG / CLG | Johnson Controls

Brand: Johnson Controls

SKU: A421AED-01C

Mcdonnell Miller 142400 Low Water Cut Off Control 63 Float Type Auto Reset Number 2 Switch 120/240 Voltage Alternating Current | Blackhawk Supply

142400 | Low Water Cut Off Control 63 Float Type Auto Reset Number 2 Switch 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 142400

Mcdonnell Miller 173502 Low Water Cut Off Control with Pump Controller 157S SPDT with Water Column 120/240 Voltage Alternating Current | Blackhawk Supply

173502 | Low Water Cut Off Control with Pump Controller 157S SPDT with Water Column 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 173502

Mcdonnell Miller 176503 Low Water Cut Off Control with Pump Controller 157S-RBP-MD SPDT with 2 Integral Conductance Probes 120/240 Voltage Alternating Current | Blackhawk Supply

176503 | Low Water Cut Off Control with Pump Controller 157S-RBP-MD SPDT with 2 Integral Conductance Probes 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 176503

Mcdonnell Miller 172803 Low Water Cut Off Control with Pump Controller 150S-B with Manual Reset 120/240 Voltage Alternating Current | Blackhawk Supply

172803 | Low Water Cut Off Control with Pump Controller 150S-B with Manual Reset 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 172803

Mcdonnell Miller 176902 Low Water Cut Off Control with Pump Controller 157S-RL Float Type Combo SPST/SPDT Auto Reset 120/240 Voltage Alternating Current | Blackhawk Supply

176902 | Low Water Cut Off Control with Pump Controller 157S-RL Float Type Combo SPST / SPDT Auto Reset 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 176902

Mcdonnell Miller 167100 Low Water Cut Off Control with Pump Controller 194-A with 7B Switch 120/240 Voltage Alternating Current | Blackhawk Supply

167100 | Low Water Cut Off Control with Pump Controller 194-A with 7B Switch 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 167100

Mcdonnell Miller 166701 Low Water Cut Off Control 194-B with Pump Controller Alternate Tapping 166701 120/240 Voltage Alternating Current | Blackhawk Supply

166701 | Low Water Cut Off Control 194-B with Pump Controller Alternate Tapping 166701 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 166701

Mcdonnell Miller 176220 Low Water Cut Off Control with Pump Controller 157S-R SPDT with Alternate Tapings 120/240 Voltage Alternating Current | Blackhawk Supply

176220 | Low Water Cut Off Control with Pump Controller 157S-R SPDT with Alternate Tapings 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 176220

Mcdonnell Miller 171900 Low Water Cut Off Control 150-B with Pump Controller and Float Block 171900 120/240 Voltage Alternating Current | Blackhawk Supply

171900 | Low Water Cut Off Control 150-B with Pump Controller and Float Block 171900 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 171900

Mcdonnell Miller 172819 Low Water Cut Off Control 158S-M with Pump Controller Manual Reset 172819 120/240 Voltage Alternating Current | Blackhawk Supply

172819 | Low Water Cut Off Control 158S-M with Pump Controller Manual Reset 172819 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 172819

Mcdonnell Miller 172812 Low Water Cut Off Control with Pump Controller 157S with Manual Reset SPDT 120/240 Voltage Alternating Current | Blackhawk Supply

172812 | Low Water Cut Off Control with Pump Controller 157S with Manual Reset SPDT 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 172812

Mcdonnell Miller 166700 Low Water Cut Off Control 194-A with Pump Controller Alternate Tapping 166700 120/240 Voltage Alternating Current | Blackhawk Supply

166700 | Low Water Cut Off Control 194-A with Pump Controller Alternate Tapping 166700 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 166700

Mcdonnell Miller 144250 Low Water Cut Off Control 64-M with Manual Reset 120/240 Voltage Alternating Current | Blackhawk Supply

144250 | Low Water Cut Off Control 64-M with Manual Reset 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 144250

Mcdonnell Miller 165200 Low Water Cut Off Control with Pump Controller 94 with 5 Switch SPDT 120/240 Voltage Alternating Current | Blackhawk Supply

165200 | Low Water Cut Off Control with Pump Controller 94 with 5 Switch SPDT 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 165200

Mcdonnell Miller 140100 Low Water Cut Off Control 61 Mechanical Dual Switch 120/240 Voltage Alternating Current | Blackhawk Supply

140100 | Low Water Cut Off Control 61 Mechanical Dual Switch 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 140100

Mcdonnell Miller 149500 Low Water Cut Off Control 67LQHU Less Quick Hook Up Fittings 149500 120/240 Voltage Alternating Current | Blackhawk Supply

149500 | Low Water Cut Off Control 67LQHU Less Quick Hook Up Fittings 149500 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 149500

Mcdonnell Miller 162500 Low Water Cut Off Control with Pump Controller Model 93-M SPDT Steam 120/240 Voltage Alternating Current | Blackhawk Supply

162500 | Low Water Cut Off Control with Pump Controller Model 93-M SPDT Steam 120 / 240 Voltage Alternating Current | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 162500

12

Committed to customer satisfaction

as experts in Controls

Recently Viewed

Popular Products

View all →

Belimo FSNF120 US Fire & Smoke Actuator | 70 in-lb | Spg Rtn | 120V | On/Off | 1m Cable | Blackhawk Supply

FSNF120 US | Fire & Smoke Actuator | 70 in-lb | Spg Rtn | 120V | On/Off | 1m Cable | Belimo

Brand: Belimo

SKU: FSNF120 US

Belimo B220+LF120 US CCV | 0.75" | 2 Way | 14 Cv | w/ Spg Rtn | 120V | On/Off | Blackhawk Supply

B220+LF120 US | CCV | 0.75" | 2 Way | 14 Cv | w/ Spg Rtn | 120V | On/Off | Belimo

Brand: Belimo

SKU: B220+LF120 US

Siemens SKD62U Flowrite Electro-Hydraulic Actuator, 24Vac, Proportional, SR, 3/4" Stroke | Blackhawk Supply

SKD62U | Flowrite Electro-Hydraulic Actuator, 24Vac, Proportional, SR, 3/4" Stroke | Siemens

Brand: Siemens

SKU: SKD62U

iO HVAC Controls iO-TWIN Universal Twinning Kit | Blackhawk Supply

iO-TWIN | Universal Twinning Kit | iO HVAC Controls

Brand: iO HVAC Controls

SKU: iO-TWIN

Belimo NMB24-SR Damper Actuator | 90 in-lb | Non-Spg Rtn | 24V | Modulating | Blackhawk Supply

NMB24-SR | Damper Actuator | 90 in-lb | Non-Spg Rtn | 24V | Modulating | Belimo

Brand: Belimo

SKU: NMB24-SR

The product has been added to cart.