hvac switches

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View Details Square D DTU224NRB Safety switch, double throw, non fusible, 200A, 240 VAC/250 VDC, 2 poles, 15 hp, neutral, NEMA 3R, bolt on | Blackhawk Supply
DTU224NRB | Safety switch, double throw, non fusible, 200A, 240 VAC / 250 VDC, 2 poles, 15 hp, neutral, NEMA 3R, bolt on | Square D
Brand: Square D
SKU: DTU224NRB
$1,132.31 each
View Details Belimo 01APS-50R Diff Air Pressure Switch 0.08..1.2 "wc | Blackhawk Supply
01APS-50R | Diff Air Pressure Switch 0.08..1.2 "wc | Belimo
Brand: Belimo
SKU: 01APS-50R
$49.50 each
View Details Square D D224NRB Safety switch, general duty, fusible, 200A, 3 wire, 2 poles, 1 neutral, 60hp, 240VAC, Type 3R, bolt on hub provision | Blackhawk Supply
D224NRB | Safety switch, general duty, fusible, 200A, 3 wire, 2 poles, 1 neutral, 60hp, 240VAC, Type 3R, bolt on hub provision | Square D
Brand: Square D
SKU: D224NRB
$573.37 each
View Details Johnson Controls P470EB-1C DIGITALELECTRONIC | Blackhawk Supply
P470EB-1C | DIGITALELECTRONIC | Johnson Controls
Brand: Johnson Controls
SKU: P470EB-1C
$157.31 each
View Details Johnson Controls P100DA-86C PRESSURE CONTROL; ENCAPSULATED PRESS CONTROL;SPST; OPEN HIGH; MANUAL RESET | Blackhawk Supply
P100DA-86C | PRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P100DA-86C
$58.79 each
View Details Johnson Controls P100AC-1C ENCAPSULPRESSURECONTROL | Blackhawk Supply
P100AC-1C | ENCAPSULPRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P100AC-1C
$48.46 each
View Details Johnson Controls P100CP-158C ENCAPSULATEDPRESSCNTL | Blackhawk Supply
P100CP-158C | ENCAPSULATEDPRESSCNTL | Johnson Controls
Brand: Johnson Controls
SKU: P100CP-158C
$42.89 each
View Details ACI AFS-460 Differential Pressure Switch, 0.40 to 12.0 inWC, SPST-NC, Manual Reset, 1/4" Compression Fitting | Blackhawk Supply
AFS-460 | Differential Pressure Switch, 0.40 to 12.0 inWC, SPST-NC, Manual Reset, 1 / 4" Compression Fitting | ACI
Brand: ACI
SKU: AFS-460
$82.13 each
View Details Dwyer DXW-11-153-1 Series DX Wet/Wet Differential Pressure Switches 2.5 - 10 psi set-point, SPDT | Blackhawk Supply
DXW-11-153-1 | Series DX Wet / Wet Differential Pressure Switches 2.5 - 10 psi set-point, SPDT | Dwyer
Brand: Dwyer
SKU: DXW-11-153-1
$136.76 each
View Details ACI AFS-222 Differential Pressure Switch, 0.05 to 12.0 inWC, SPDT, Auto Reset, 1/4" Compression Fitting | Blackhawk Supply
AFS-222 | Differential Pressure Switch, 0.05 to 12.0 inWC, SPDT, Auto Reset, 1 / 4" Compression Fitting | ACI
Brand: ACI
SKU: AFS-222
$55.50 each
View Details ACI AFS-262 Differential Pressure Switch, 0.05 to 2.0 inWC, SPDT, Auto Reset, 1/4" Compression Fitting | Blackhawk Supply
AFS-262 | Differential Pressure Switch, 0.05 to 2.0 inWC, SPDT, Auto Reset, 1 / 4" Compression Fitting | ACI
Brand: ACI
SKU: AFS-262
$67.13 each
View Details Dwyer 1900-5-MR Differential pressure switch | range 1.40-5.5" w.c. | approx. deadband @ min. set point 0.30 | approx. deadband @ max. set point 0.30 | with manual reset option. | Blackhawk Supply
1900-5-MR | Differential pressure switch | range 1.40-5.5" w.c. | approx. deadband @ min. set point 0.30 | approx. deadband @ max. set point 0.30 | with manual reset option. | Dwyer
Brand: Dwyer
SKU: 1900-5-MR
$122.79 each
View Details Heat Transfer Prod 7500P-002 Switch Munchkin Flue ECO | Blackhawk Supply
7500P-002 | Switch Munchkin Flue ECO | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7500P-002
$62.67 each
View Details Square D D325NR Safety switch, general duty, fusible, 400A, 3 poles, 125hp, 240VAC, NEMA 3R, neutral factory installed | Blackhawk Supply
D325NR | Safety switch, general duty, fusible, 400A, 3 poles, 125hp, 240VAC, NEMA 3R, neutral factory installed | Square D
Brand: Square D
SKU: D325NR
$1,703.07 each
View Details Dwyer TS-13020 Digital temperature switch | 230 V | 16 A | °F display. | Blackhawk Supply
TS-13020 | Digital temperature switch | 230 V | 16 A | °F display. | Dwyer
Brand: Dwyer
SKU: TS-13020
$143.31 each
View Details Heat Transfer Prod 7250P-081 Pressure Switch Munchkin Water with Gasket 7250P-081 | Blackhawk Supply
7250P-081 | Pressure Switch Munchkin Water with Gasket 7250P-081 | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7250P-081
$136.45 each
View Details Dwyer TS2-010 Digital temperature switch | 110 VAC | °F display. | Blackhawk Supply
TS2-010 | Digital temperature switch | 110 VAC | °F display. | Dwyer
Brand: Dwyer
SKU: TS2-010
$65.10 each
View Details Johnson Controls P47AA-13C STEAM PRESSURE CONTROL; PRESSURE CONTROL STEAM OR WATER; SPST; 0/150#; W/STEAM TRAP | Blackhawk Supply
P47AA-13C | STEAM PRESSURE CONTROL; PRESSURE CONTROL STEAM OR WATER; SPST; 0 / 150#; W / STEAM TRAP | Johnson Controls
Brand: Johnson Controls
SKU: P47AA-13C
$388.85 each
View Details Johnson Controls P77AAA-15000C Pressure Controller SPDT | Blackhawk Supply
P77AAA-15000C | PRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P77AAA-15000C
$73.88 each
View Details Heat Transfer Prod 7250P-089 Switch Munchkin Thermodisc Flue ECO | Blackhawk Supply
7250P-089 | Switch Munchkin Thermodisc Flue ECO | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7250P-089
$79.01 each
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
$55.49 each
View Details Dwyer A6-651221 Durable brass pressure switch | adjustable from 25 to 50 psi | SPDT | 1/4" NPT male connection. | Blackhawk Supply
A6-651221 | Durable brass pressure switch | adjustable from 25 to 50 psi | SPDT | 1 / 4" NPT male connection. | Dwyer
Brand: Dwyer
SKU: A6-651221
$30.12 each
View Details Square D 92251 Safety switch, double through, non fusible, 30A, 240V, 2 poles, NEMA 1, fuse class T4 | Blackhawk Supply
92251 | Safety switch, double through, non fusible, 30A, 240V, 2 poles, NEMA 1, fuse class T4 | Square D
Brand: Square D
SKU: 92251
$508.23 each
View Details Johnson Controls P470FB-1C DIGITALELECTRONIC | Blackhawk Supply
P470FB-1C | DIGITALELECTRONIC | Johnson Controls
Brand: Johnson Controls
SKU: P470FB-1C
$152.57 each
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