hvac switches

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View Details Square D D322NRB Single Throw Fusible Safety Switch, 60A, NEMA 3R, 3-Poles, 240V | Blackhawk Supply
D322NRB | Single Throw Fusible Safety Switch, 60A, NEMA 3R, 3-Poles, 240V | Square D
Brand: Square D
SKU: D322NRB
$213.03 each
View Details Dwyer DFS2-DA20 Series DFS2 Low Limit Freeze Protection Switch DPDT, 20 ft. capillary with automatic reset | Blackhawk Supply
DFS2-DA20 | Series DFS2 Low Limit Freeze Protection Switch DPDT, 20 ft. capillary with automatic reset | Dwyer
Brand: Dwyer
SKU: DFS2-DA20
$383.59 each
View Details Dwyer ADPS-04-1-N Series ADPS/EDPS Differential Pressure Switch 0.12 to 1.60" w.c., 1/2" NPT connection. | Blackhawk Supply
ADPS-04-1-N | Series ADPS / EDPS Differential Pressure Switch 0.12 to 1.60" w.c., 1 / 2" NPT connection. | Dwyer
Brand: Dwyer
SKU: ADPS-04-1-N
$27.04 each
View Details Siemens QBM81-3 Differential Pressure Switch,0.08-0.8 WC | Blackhawk Supply
QBM81-3 | Differential Pressure Switch, 0.08-0.8 WC | Siemens
Brand: Siemens
SKU: QBM81-3
$57.72 each
View Details Siemens 134-1460 Pressure Electric Switch, Heavy-Duty, SPDT, Snap-Acting, NC, Fixed Diff 2.0 psi | Blackhawk Supply
134-1460 | Pressure Electric Switch, Heavy-Duty, SPDT, Snap-Acting, NC, Fixed Diff 2.0 psi | Siemens (OBSOLETE)
Brand: Siemens
SKU: 134-1460
View Details
View Details Johnson Controls P100AP-15C ENCAPSULATEDPRESSCNTL | Blackhawk Supply
P100AP-15C | ENCAPSULATEDPRESSCNTL | Johnson Controls
Brand: Johnson Controls
SKU: P100AP-15C
$46.87 each
View Details Johnson Controls P74FA-5C DIFFERENTIALPRESCONTROL | Blackhawk Supply
P74FA-5C | DIFFERENTIALPRESCONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P74FA-5C
$283.58 each
View Details Johnson Controls P170AA-400C PRESSURECONTROL | Blackhawk Supply
P170AA-400C | PRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P170AA-400C
$143.74 each
View Details Johnson Controls P10BC-7C LOWRANGEPRESCONTROL | Blackhawk Supply
P10BC-7C | LOWRANGEPRESCONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P10BC-7C
$154.11 each
View Details Johnson Controls P100EE-79C ENCAPSULATEDPRESCONTROL | Blackhawk Supply
P100EE-79C | ENCAPSULATEDPRESCONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P100EE-79C
$70.70 each
View Details Johnson Controls P100DA-1C PRESSURECONTROL | Blackhawk Supply
P100DA-1C | PRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P100DA-1C
$77.06 each
View Details Johnson Controls P100CP-1C PRESSURECONTROL | Blackhawk Supply
P100CP-1C | PRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P100CP-1C
$42.89 each
View Details Johnson Controls P100CP-162C ENCAPSULATEDPRESSCNTL | Blackhawk Supply
P100CP-162C | ENCAPSULATEDPRESSCNTL | Johnson Controls
Brand: Johnson Controls
SKU: P100CP-162C
$42.89 each
View Details Johnson Controls P100AP-354C ENCAPSULATED PRESS CNTL; CO 210 PSIG; CI 275 PSIG; OPENS ON FALL; AUTO RESET; 1/4" FEM FLARE W/DEPRE | Blackhawk Supply
P100AP-354C | ENCAPSULATEDPRESSCNTL | Johnson Controls
Brand: Johnson Controls
SKU: P100AP-354C
$43.69 each
View Details Johnson Controls P100AP-332C PRESSURECONTROL | Blackhawk Supply
P100AP-332C | PRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P100AP-332C
$45.28 each
View Details Dwyer A9-3 Pressure switch | range 14.5-36.3 psig (1.2-2.5 bar) | deadband 2.9 ±1.5 psig (0.2 ±0.1 bar) | max. pressure 72.5 psig (5.0 bar) | temperature limit 257°F (125°C) | stainless steel diaphragm. | Blackhawk Supply
A9-3 | Pressure switch | range 14.5-36.3 psig (1.2-2.5 bar) | deadband 2.9 ±1.5 psig (0.2 ±0.1 bar) | max. pressure 72.5 psig (5.0 bar) | temperature limit 257°F (125°C) | stainless steel diaphragm. | Dwyer
Brand: Dwyer
SKU: A9-3
$43.06 each
View Details Johnson Controls P32AF-1C DIFFPRESSURECONTROL | Blackhawk Supply
P32AF-1C | DIFFPRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P32AF-1C
$128.69 each
View Details Johnson Controls P70SA-1C PRESSURECONTROL,P70SERIES | Blackhawk Supply
P70SA-1C | PRESSURECONTROL, P70SERIES | Johnson Controls
Brand: Johnson Controls
SKU: P70SA-1C
$293.90 each
View Details Dwyer 1626-5 Single and dual pressure switch | range .5-6.0" w.c. | .15 min. deadband | .35 max. deadband | 1.2 adj. diff. between set points. | Blackhawk Supply
1626-5 | Single and dual pressure switch | range .5-6.0" w.c. | .15 min. deadband | .35 max. deadband | 1.2 adj. diff. between set points. | Dwyer
Brand: Dwyer
SKU: 1626-5
$473.41 each
View Details Dwyer 1950P-8-2F Differential pressure switch | range 1.5-8 psid | approx. deadband @ min. set point 1.0 | approx. deadband @ max. set point 1.0. | Blackhawk Supply
1950P-8-2F | Differential pressure switch | range 1.5-8 psid | approx. deadband @ min. set point 1.0 | approx. deadband @ max. set point 1.0. | Dwyer
Brand: Dwyer
SKU: 1950P-8-2F
$392.38 each
View Details Schneider Electric PC-301 PRESSURE CONTROL, ADJ. .05~1.0 W.C. AIR FLOW (12/CASE) | Blackhawk Supply
PC-301 | PRESSURE CONTROL, ADJ. .05~1.0 W.C. AIR FLOW (12 / CASE) | Schneider Electric
Brand: Schneider Electric
SKU: PC-301
$139.19 each
View Details Johnson Controls P170CA-1C PRESSURECONTROL | Blackhawk Supply
P170CA-1C | PRESSURECONTROL | Johnson Controls
Brand: Johnson Controls
SKU: P170CA-1C
$173.25 each
View Details Dwyer 1910-20 Differential pressure switch | range 4.0-20.0" w.c. | approx. deadband @ min. set point 0.40 | approx. deadband @ max. set point 0.50. | Blackhawk Supply
1910-20 | Differential pressure switch | range 4.0-20.0" w.c. | approx. deadband @ min. set point 0.40 | approx. deadband @ max. set point 0.50. | Dwyer
Brand: Dwyer
SKU: 1910-20
$77.44 each
View Details Schneider Electric PC-110 PNEU-ELEC. SWITCH, SPDT, ADJ. DIFF. | Blackhawk Supply
PC-110 | PNEU-ELEC. SWITCH, SPDT, ADJ. DIFF. | Schneider Electric
Brand: Schneider Electric
SKU: PC-110
$257.40 each
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Viconics VT7225 Room Controller Heating Analog Output and PWM Output; Replaces C1025 & T920 | Blackhawk Supply
VT7225 | Room Controller Heating Analog Output and PWM Output; Replaces C1025 & T920 | Viconics
Brand: Viconics
SKU: VT7225
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Contemporary Controls BAST-221C-B2 BACnet MS/TP Thermostat 2-Heat, 2-Cool, 1-Fan, Wired | Blackhawk Supply
BAST-221C-B2 | BACnet MS/TP Thermostat 2-Heat, 2-Cool, 1-Fan, Wired | Contemporary Controls
Brand: Contemporary Controls
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Belimo B225+LF24 US CCV | 1" | 2 Way | 30 Cv | w/ Spg Rtn | 24V | On/Off | Blackhawk Supply
B225+LF24 US | CCV | 1" | 2 Way | 30 Cv | w/ Spg Rtn | 24V | On/Off | Belimo
Brand: Belimo
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Belimo LMB24-SR Damper Actuator | 45 in-lb | Non-Spg Rtn | 24V | Modulating | Blackhawk Supply
LMB24-SR | Damper Actuator | 45 in-lb | Non-Spg Rtn | 24V | Modulating | Belimo
Brand: Belimo
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Belimo P2800A GR Feedback potentiometer 2800 ohms. | Blackhawk Supply
P2800A GR | Feedback potentiometer 2800 ohms. | Belimo
Brand: Belimo
SKU: P2800A GR
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Veris PWLX04S 12 to 30 VDC/24 VAC Input 4 to 20 mA/0 to 5 V/0 to 10 V Output Wet Media Differential Pressure Transducer with LCD Display, 0 to 100 psig | Blackhawk Supply
PWLX04S | 12 to 30 VDC/24 VAC Input 4 to 20 mA/0 to 5 V/0 to 10 V Output Wet Media Differential Pressure Transducer with LCD Display, 0 to 100 psig | Veris
Brand: Veris
SKU: PWLX04S
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Schneider Electric MG350V-24F SmartX, Globe Valve Actuator, floating, non-spring return, 24 Vac/Vdc, 78 lbf, LED status indicator, NEMA 2 | Blackhawk Supply
MG350V-24F | SmartX, Globe Valve Actuator, floating, non-spring return, 24 Vac/Vdc, 78 lbf, LED status indicator, NEMA 2 | Schneider Electric
Brand: Schneider Electric
SKU: MG350V-24F
$109.69 each
Veris PWLX05S 12 to 30 VDC/24 VAC Input 4 to 20 mA/0 to 5 V/0 to 10 V Output Wet Media Differential Pressure Transducer with LCD Display, 0 to 250 psig | Blackhawk Supply
PWLX05S | 12 to 30 VDC/24 VAC Input 4 to 20 mA/0 to 5 V/0 to 10 V Output Wet Media Differential Pressure Transducer with LCD Display, 0 to 250 psig | Veris
Brand: Veris
SKU: PWLX05S
$380.96 each
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