switches

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View Details Heat Transfer Prod 7855P-262 Pressure Switch 7855P-262 | Blackhawk Supply
7855P-262 | Pressure Switch 7855P-262 | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7855P-262
$50.71 each
View Details Dwyer 1950G-0-B-24-NA Explosion-proof differential pressure switch | range .15-.50" w.c. | approx. deadband @ min. set point .06 | approx. deadband @ max. set point .11. | Blackhawk Supply
1950G-0-B-24-NA | Explosion-proof differential pressure switch | range .15-.50" w.c. | approx. deadband @ min. set point .06 | approx. deadband @ max. set point .11. | Dwyer
Brand: Dwyer
SKU: 1950G-0-B-24-NA
$533.53 each
View Details Mars Controls 43327 Pressure Switch Klixon 4 Auto Reset SPST 350PSI Open-250PSI Reset Direct | Blackhawk Supply
43327 | Pressure Switch Klixon 4 Auto Reset SPST 350PSI Open-250PSI Reset Direct | Mars Controls
Brand: Mars Controls
SKU: 43327
$39.37 each
View Details Dwyer 1823-0 Differential pressure switch | range 0.15-.5" w.c. | approx. deadband @ min. set point 0.06 | approx. deadband @ max. set point 0.06. | Blackhawk Supply
1823-0 | Differential pressure switch | range 0.15-.5" w.c. | approx. deadband @ min. set point 0.06 | approx. deadband @ max. set point 0.06. | Dwyer
Brand: Dwyer
SKU: 1823-0
$109.98 each
View Details York S1-02427634001 Pressure Switch Air 0.65 Inch Water Column On Fall Single Pole Normally Open for Downflow/Horizontal Gas Furnaces | Blackhawk Supply
S1-02427634001 | Pressure Switch Air 0.65 Inch Water Column On Fall Single Pole Normally Open for Downflow / Horizontal Gas Furnaces | York
Brand: York
SKU: S1-02427634001
View Details
View Details Weil Mclain 511624548 Pressure Switch Differential SPDT 1.15 Inch Water Column | Blackhawk Supply
511624548 | Pressure Switch Differential SPDT 1.15 Inch Water Column | Weil Mclain
Brand: Weil Mclain
SKU: 511624548
View Details
View Details Mars Controls 39225 Limit Switch Adjustable Open on Rise 175-215 Degree Fahrenheit | Blackhawk Supply
39225 | Limit Switch Adjustable Open on Rise 175-215 Degree Fahrenheit | Mars Controls
Brand: Mars Controls
SKU: 39225
View Details
View Details Water Heater Parts 100112850 Pressure Switch AO Smith Air 0.85 Inch Water Column Normally Closed | Blackhawk Supply
100112850 | Pressure Switch AO Smith Air 0.85 Inch Water Column Normally Closed | Water Heater Parts
Brand: Water Heater Parts
SKU: 100112850
View Details
View Details Dwyer ADPS-08-1-N Adjustable differential pressure switch | set point range 0.08 to 1.20" w.c. | 1/2" NPT connection. | Blackhawk Supply
ADPS-08-1-N | Adjustable differential pressure switch | set point range 0.08 to 1.20" w.c. | 1 / 2" NPT connection. | Dwyer
Brand: Dwyer
SKU: ADPS-08-1-N
$27.04 each
View Details Dwyer A4-2 Differential pressure switch | ±4 psi (.28 bar) repeatability | set point (increasing) 13-25 psid (.89-1.7 bar) | set point (decreasing) 5-16 psid (.34-1.1 bar). | Blackhawk Supply
A4-2 | Differential pressure switch | ±4 psi (.28 bar) repeatability | set point (increasing) 13-25 psid (.89-1.7 bar) | set point (decreasing) 5-16 psid (.34-1.1 bar). | Dwyer
Brand: Dwyer
SKU: A4-2
$292.40 each
View Details Macromatic TH43161-32-35J Repeat cycle (OFF 1st) | 240V AC/DC | 30A SPDT | 0.05 - 5 seconds | 0.1 - 10 minutes | Encapsulated | Analog | Blackhawk Supply
TH43161-32-35J | Repeat cycle (OFF 1st) | 240V AC / DC | 30A SPDT | 0.05 - 5 seconds | 0.1 - 10 minutes | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: TH43161-32-35J
$89.13 each
View Details Macromatic THR-13168-36-35 Repeat cycle (OFF 1st) | 240V AC | 10A SPDT | 0.6 - 60 seconds | 0.05 - 5 seconds | Encapsulated | Analog | Blackhawk Supply
THR-13168-36-35 | Repeat cycle (OFF 1st) | 240V AC | 10A SPDT | 0.6 - 60 seconds | 0.05 - 5 seconds | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: THR-13168-36-35
$72.08 each
View Details Macromatic THR-13162-12-15 Repeat cycle (OFF 1st) | 240V AC | 10A SPDT | 0.6 - 60 seconds | 0.05 - 5 seconds | Encapsulated | Analog | Blackhawk Supply
THR-13162-12-15 | Repeat cycle (OFF 1st) | 240V AC | 10A SPDT | 0.6 - 60 seconds | 0.05 - 5 seconds | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: THR-13162-12-15
$72.08 each
View Details Macromatic TH46168-12-35 Repeat cycle (ON 1st) | 24V AC/DC | 30A SPDT | 3 - 300 seconds | 1 - 100 seconds | Encapsulated | Analog | Blackhawk Supply
TH46168-12-35 | Repeat cycle (ON 1st) | 24V AC / DC | 30A SPDT | 3 - 300 seconds | 1 - 100 seconds | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: TH46168-12-35
$90.68 each
View Details Macromatic TH43162-F-08J Repeat cycle (OFF 1st) | 120V AC/DC | 30A SPDT | 0.05 - 5 seconds | 0.05 - 5 seconds | Encapsulated | Analog | Blackhawk Supply
TH43162-F-08J | Repeat cycle (OFF 1st) | 120V AC / DC | 30A SPDT | 0.05 - 5 seconds | 0.05 - 5 seconds | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: TH43162-F-08J
$86.80 each
View Details Macromatic TH43162-10J Repeat cycle (OFF 1st) | 120V AC/DC | 30A SPDT | 0.05 - 5 seconds | 1.8 - 180 seconds | Encapsulated | Analog | Blackhawk Supply
TH43162-10J | Repeat cycle (OFF 1st) | 120V AC / DC | 30A SPDT | 0.05 - 5 seconds | 1.8 - 180 seconds | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: TH43162-10J
$86.80 each
View Details Macromatic TH43162-10-04J Repeat cycle (OFF 1st) | 120V AC/DC | 30A SPDT | 0.05 - 5 seconds | 1.8 - 180 seconds | Encapsulated | Analog | Blackhawk Supply
TH43162-10-04J | Repeat cycle (OFF 1st) | 120V AC / DC | 30A SPDT | 0.05 - 5 seconds | 1.8 - 180 seconds | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: TH43162-10-04J
$86.80 each
View Details Macromatic TH43162-07-32J Repeat cycle (OFF 1st) | 120V AC/DC | 30A SPDT | 0.05 - 5 seconds | 0.3 - 30 seconds | Encapsulated | Analog | Blackhawk Supply
TH43162-07-32J | Repeat cycle (OFF 1st) | 120V AC / DC | 30A SPDT | 0.05 - 5 seconds | 0.3 - 30 seconds | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: TH43162-07-32J
$86.80 each
View Details Macromatic TH43162-07-04J Repeat cycle (OFF 1st) | 120V AC/DC | 30A SPDT | 0.05 - 5 seconds | 0.3 - 30 seconds | Encapsulated | Analog | Blackhawk Supply
TH43162-07-04J | Repeat cycle (OFF 1st) | 120V AC / DC | 30A SPDT | 0.05 - 5 seconds | 0.3 - 30 seconds | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: TH43162-07-04J
$86.80 each
View Details Macromatic TH43161-34-10J Repeat cycle (OFF 1st) | 240V AC/DC | 30A SPDT | 0.05 - 5 seconds | 0.1 - 10 hours | Encapsulated | Analog | Blackhawk Supply
TH43161-34-10J | Repeat cycle (OFF 1st) | 240V AC / DC | 30A SPDT | 0.05 - 5 seconds | 0.1 - 10 hours | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: TH43161-34-10J
$89.13 each
View Details Macromatic TH41368-15J Watchdog (switch trigger) | 240V AC/DC | 30A SPDT | 0.05 - 5 seconds | Encapsulated | Analog | Blackhawk Supply
TH41368-15J | Watchdog (switch trigger) | 240V AC / DC | 30A SPDT | 0.05 - 5 seconds | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: TH41368-15J
$83.70 each
View Details Macromatic TH41361-31 Watchdog (switch trigger) | 240V AC/DC | 30A SPDT | 0.05 - 5 seconds | Encapsulated | Analog | Blackhawk Supply
TH41361-31 | Watchdog (switch trigger) | 240V AC / DC | 30A SPDT | 0.05 - 5 seconds | Encapsulated | Analog | Macromatic
Brand: Macromatic
SKU: TH41361-31
$86.80 each
View Details Macromatic CUH20A1FJ Undercurrent only | 240V AC | 10A SPDT | 0.5 - 5A | 0.150-7 seconds | 1 second | Encapsulated | Blackhawk Supply
CUH20A1FJ | Undercurrent only | 240V AC | 10A SPDT | 0.5 - 5A | 0.150-7 seconds | 1 second | Encapsulated | Macromatic
Brand: Macromatic
SKU: CUH20A1FJ
$107.85 each
View Details Macromatic COH50A2FG Overcurrent only | 240V AC | 10A SPDT | 0.5 - 5A | 0.150-7 seconds | 1 second | Encapsulated | Blackhawk Supply
COH50A2FG | Overcurrent only | 240V AC | 10A SPDT | 0.5 - 5A | 0.150-7 seconds | 1 second | Encapsulated | Macromatic
Brand: Macromatic
SKU: COH50A2FG
$107.85 each
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Timing Range 2
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HVAC Control Switches 

Blackhawk Supply offers a robust array of HVAC control switches designed to command your system with precision and reliability.  

With features like adjustable trip points, waterproof enclosures and quick-change mechanisms, these switches make system setup, maintenance and upgrades smoother than ever. 

Explore our HVAC control switch selection, including: 

Backed by durable construction and industry-leading brands, our HVAC control switch and HVAC blower control switch options stand up to demanding environments. Order yours today to fine-tune your system controls. 

Committed to customer satisfaction
as experts in Switches
(847) 773-0645
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Contemporary Controls EISK5-100T 5-port 10BASE-T/100BASE-TX Skorpion switch, DIN-rail mount | Blackhawk Supply
EISK5-100T | 5-port 10BASE-T/100BASE-TX Skorpion switch, DIN-rail mount | Contemporary Controls
Brand: Contemporary Controls
SKU: EISK5-100T
$119.06 each
iO HVAC Controls iO-WR Wireless Relay | Blackhawk Supply
iO-WR | Wireless Relay | iO HVAC Controls
Brand: iO HVAC Controls
SKU: iO-WR
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Johnson Controls A421ABC-02C Single Stage Temp Controller with Sensor, 120/240VAC, NEMA1, 6' 6" lead, -40 to 212F, HTG/CLG | Blackhawk Supply
A421ABC-02C | Single Stage Temp Controller with Sensor, 120/240VAC, NEMA1, 6' 6" lead, -40 to 212F, HTG/CLG | Johnson Controls
Brand: Johnson Controls
SKU: A421ABC-02C
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Belimo LF24 US Damper Actuator | 35 in-lb | Spg Rtn | 24V | On/Off | Blackhawk Supply
LF24 US | Damper Actuator | 35 in-lb | Spg Rtn | 24V | On/Off | Belimo
Brand: Belimo
SKU: LF24 US
$261.45 each
Belimo ZTH US Handheld programming tool with ZK1-GEN | ZK2-GEN and ZK6-GEN. | Blackhawk Supply
ZTH US | Handheld programming tool with ZK1-GEN | ZK2-GEN and ZK6-GEN. | Belimo
Brand: Belimo
SKU: ZTH US
$622.35 each
iO HVAC Controls IO-WRP WIRELESS RELAY PLUS | Blackhawk Supply
IO-WRP | WIRELESS RELAY PLUS | iO HVAC Controls
Brand: iO HVAC Controls
SKU: IO-WRP
$439.54 each
Veris H221 Split Core | Span Adj. | Range: 0-300AAC | Output: 4-20mA | Loop | Blackhawk Supply
H221 | Split Core | Span Adj. | Range: 0-300AAC | Output: 4-20mA | Loop | Veris
Brand: Veris
SKU: H221
$141.60 each
Danfoss 065B8900 ESBE ATA Thermostatic Draft Regulator, 3/4" FNPT, 2.2 Pound-force (10N) | Blackhawk Supply
065B8900 | ESBE ATA Thermostatic Draft Regulator, 3/4" FNPT, 2.2 Pound-force (10N) | Danfoss
Brand: Danfoss
SKU: 065B8900
$142.87 each
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