hvac switches

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View Details Dwyer MP-001 Differential pressure switch/gage | range 0-1.0" water. | Blackhawk Supply
MP-001 | Differential pressure switch / gage | range 0-1.0" water. | Dwyer
Brand: Dwyer
SKU: MP-001
$519.00 each
View Details Dwyer FSW2-DNPN-40 Free floating sewage water level switch | PVC cable | SPDT | 40 ft (12.19 m) cable | Blackhawk Supply
FSW2-DNPN-40 | Free floating sewage water level switch | PVC cable | SPDT | 40 ft (12.19 m) cable | Dwyer
Brand: Dwyer
SKU: FSW2-DNPN-40
$172.42 each
View Details Dwyer FSW2-DNPN-15 Free floating sewage water level switch | PVC cable | SPDT | 15 ft (4.57 m) cable | Blackhawk Supply
FSW2-DNPN-15 | Free floating sewage water level switch | PVC cable | SPDT | 15 ft (4.57 m) cable | Dwyer
Brand: Dwyer
SKU: FSW2-DNPN-15
$128.06 each
View Details Dwyer FSW2-CNPN-30 Free floating sewage water level switch | PVC cable | SPST | NC | 30 ft (9.14 m) cable | Blackhawk Supply
FSW2-CNPN-30 | Free floating sewage water level switch | PVC cable | SPST | NC | 30 ft (9.14 m) cable | Dwyer
Brand: Dwyer
SKU: FSW2-CNPN-30
$154.67 each
View Details ACI AFS-460-112 Differential Pressure Switch, 0.40 to 12.0 inWC, SPST, N/C, Manual Reset | Blackhawk Supply
AFS-460-112 | Differential Pressure Switch, 0.40 to 12.0 inWC, SPST, N / C, Manual Reset | ACI
Brand: ACI
SKU: AFS-460-112
$82.13 each
View Details ACI DBL-205E LOW AIR/GAS DP SWITCH2"-10" WC | Blackhawk Supply
DBL-205E | LOW AIR / GAS DP SWITCH2"-10" WC | ACI
Brand: ACI
SKU: DBL-205E
$48.00 each
View Details Crandall Stats & Sensors PF-307 Floating Pressure Air Flow Switch – Diff. Pressure Set Point 1.1″ to 3.5″ WC | Blackhawk Supply
PF-307 | Floating Pressure Air Flow Switch – Diff. Pressure Set Point 1.1″ to 3.5″ WC | Crandall Stats & Sensors
Brand: Crandall Stats & Sensors
SKU: PF-307
$776.53 each
View Details Crandall Stats & Sensors PF-306 Floating Pressure Air Flow Switch – Diff. Pressure Set Point 0.2″ to 1.3″ WC | Blackhawk Supply
PF-306 | Floating Pressure Air Flow Switch – Diff. Pressure Set Point 0.2″ to 1.3″ WC | Crandall Stats & Sensors
Brand: Crandall Stats & Sensors
SKU: PF-306
$377.19 each
View Details Crandall Stats & Sensors 2390-501 Gradual Switch – Manual Adjustment of Pressure up to Main (20 PSIG) | Blackhawk Supply
2390-501 | Gradual Switch – Manual Adjustment of Pressure up to Main (20 PSIG) | Crandall Stats & Sensors
Brand: Crandall Stats & Sensors
SKU: 2390-501
$140.72 each
View Details Wika 52824831 PSD-4; 0...200 psig ; two switching output (PNP/NPN) + 4...2 | Blackhawk Supply
52824831 | PSD-4; 0...200 psig ; two switching output (PNP / NPN) + 4...2 | Wika
Brand: Wika
SKU: 52824831
$714.99 each
View Details Wika 55637761 PSA-31 ; 0...160 psig; two switching output (PNP) + 4...20 m | Blackhawk Supply
55637761 | PSA-31 ; 0...160 psig; two switching output (PNP) + 4...20 m | Wika
Brand: Wika
SKU: 55637761
$813.99 each
View Details Square D CD322NRB 60A 3P Type3R 120/240VAC General Duty Safety Switch with Solid Neutral | Blackhawk Supply
CD322NRB | 60A 3P Type3R 120 / 240VAC General Duty Safety Switch with Solid Neutral | Square D
Brand: Square D
SKU: CD322NRB
$286.03 each
View Details Johnson Controls P29NC-54C PressureMeas0to100psigM-Range120- | Blackhawk Supply
P29NC-54C | PressureMeas0to100psigM-Range120- | Johnson Controls
Brand: Johnson Controls
SKU: P29NC-54C
$370.16 each
View Details Square D DTU366R Double Throw Safety Switch, 600V, 600A, 3P, NEMA 3R | Blackhawk Supply
DTU366R | Double Throw Safety Switch, 600V, 600A, 3P, NEMA 3R | Square D
Brand: Square D
SKU: DTU366R
$15,884.86 each
View Details Square D D321NRB Single Throw Fusible Safety Switch, 30A, NEMA 3R, 3-Poles, 240V | Blackhawk Supply
D321NRB | Single Throw Fusible Safety Switch, 30A, NEMA 3R, 3-Poles, 240V | Square D
Brand: Square D
SKU: D321NRB
$127.45 each
View Details Square D D211N Single Throw Fusible Safety Switch, 30A, NEMA 1, 2-Poles, 120/240V | Blackhawk Supply
D211N | Single Throw Fusible Safety Switch, 30A, NEMA 1, 2-Poles, 120 / 240V | Square D
Brand: Square D
SKU: D211N
$50.38 each
View Details Siemens QBM81-10 Differential Pressure Switch, 0.4-4.0 WC | Blackhawk Supply
QBM81-10 | Differential Pressure Switch, 0.4-4.0 WC | Siemens
Brand: Siemens
SKU: QBM81-10
$57.72 each
View Details Johnson Controls P78XLCW-18000C DUALST.PRESS.SWITCHATEX | Blackhawk Supply
P78XLCW-18000C | DUALST.PRESS.SWITCHATEX | Johnson Controls
Brand: Johnson Controls
SKU: P78XLCW-18000C
$173.97 each
View Details Johnson Controls P77XAAW-18500C SING.ST.PRES.SWITCHATEX | Blackhawk Supply
P77XAAW-18500C | SING.ST.PRES.SWITCHATEX | Johnson Controls
Brand: Johnson Controls
SKU: P77XAAW-18500C
$132.66 each
View Details Johnson Controls P100AP-359C ENCAPPRESSW;CO165 | Blackhawk Supply
P100AP-359C | ENCAPPRESSW;CO165 | Johnson Controls
Brand: Johnson Controls
SKU: P100AP-359C
$42.89 each
View Details Johnson Controls P74JA-3C Pressostat0.5barto4bar | Blackhawk Supply
P74JA-3C | Pressostat0.5barto4bar | Johnson Controls
Brand: Johnson Controls
SKU: P74JA-3C
$492.48 each
View Details Johnson Controls P74FA-10C PRESSURECONTROL | Blackhawk Supply
P74FA-10C | PRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P74FA-10C
$284.37 each
View Details Johnson Controls P74BA-1C PRESSURECONTROL | Blackhawk Supply
P74BA-1C | PRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P74BA-1C
$294.71 each
View Details Johnson Controls P70NA-1C PRESSURECONTROL,P70SERIES | Blackhawk Supply
P70NA-1C | PRESSURECONTROL, P70SERIES | Johnson Controls
Brand: Johnson Controls
SKU: P70NA-1C
$296.56 each
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SKU: iO-TWIN
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Belimo GMB24-SR Damper Actuator | 360 in-lb | Non-Spg Rtn | 24V | Modulating | Blackhawk Supply
GMB24-SR | Damper Actuator | 360 in-lb | Non-Spg Rtn | 24V | Modulating | Belimo
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