DH-002 | Differential pressure controller | selectable engineering units: .2500" w.c. | 6.350 mm w.c. | 0.635 cm w.c. | 0.467 mm Hg | 0.623 mbar | 62.28 Pa | 0.623 hPa | 0.114 oz/in². | Dwyer

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$977.46$1,156.75

15% off

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Black

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Description

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Blackhawk Supply

4.6 (509)

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15% off

Blackhawk Supply

DHC-003 | Differential pressure controller | range 0.5 in w.c. | Dwyer

$548.24$648.80

15% off

Blackhawk Supply

DHC-004 | Differential pressure controller | range 1.0 in w.c. | Dwyer

$548.24$648.80

15% off

Blackhawk Supply

DHC-006 | Differential pressure controller | range 2.5 in w.c. | Dwyer

$548.24$648.80

43% off

Blackhawk Supply

REME-LED-AS | Air Purifier Halo-LED Whole Home In-Duct 24 Voltage Alternating Current | Rgf Environmental Prod

$627.81$1,109.76

15% off

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

$109.98$130.15

General Electric TJK436400WL 3 Pole Circuit Breaker

SuperBreakers

ABB / General Electric TJK436400WL - 400A 3 Pole Molded Case Circuit Breaker

$746.25

16% off

Blackhawk Supply

2-5100-NPT | Differential pressure gage | range 0-100" w.c. | 1/8" male NPT connection. | Dwyer

$57.33$67.85

Dwyer 605-10 Differential pressure indicating transmitter | range 0-10" w.c. | max. pressure 2 psi (13.79 kPa) | ±0.5% electrical accuracy | ±2% mechanical accuracy. | Blackhawk Supply

15% off

Blackhawk Supply

605-10 | Differential pressure indicating transmitter | range 0-10" w.c. | max. pressure 2 psi (13.79 kPa) | ±0.5% electrical accuracy | ±2% mechanical accuracy. | Dwyer

$454.19$537.50

Blackhawk Supply

A-306 | Outdoor static pressure sensor | includes 50' vinyl tubing | mounting bracket and hardware. Red sensor. | Dwyer

$92.11

48% off

Midwest Supply

13A31-50 | Vent Protector Outdoor 3/8 Inch Blue for 325-3 and 325-3L | Maxitrol

$36.30$69.96

15% off

Blackhawk Supply

1823-2 | Differential pressure switch | range 0.5-2.0" w.c. | approx. deadband @ min. set point 0.10 | approx. deadband @ max. set point 0.12. | Dwyer

$109.98$130.15

15% off

Blackhawk Supply

490A-6 | Wet/Wet handheld digital manometer | 0 to 200 psi (0 to 1379 kPa) | Dwyer

$1,012.27$1,197.95

16% off

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

$77.44$91.65

64X36 Lennox UV Duct Lamp Replacement Bulb (64X36)

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64X36 Lennox UV Duct Lamp Replacement Bulb (64X36)

$115.95$139.00

Voomi Supply

LAU 028958-32 Blower Wheel 7.500 (Diameter) Replacement MPN

$136.40

Dwyer DH-008 Differential pressure controller | selectable engineering units: 25.00" w.c. | 2.083 ft w.c. | 635.0 mm w.c. | 63.50 cm w.c. | .9032 psi | 1.839" Hg | 46.71 mm Hg | 62.27 mbar | 6227 Pa | 6.227 kPa | 62.27 hPa | 14.45 oz/in². | Blackhawk Supply

16% off

Blackhawk Supply

DH-008 | Differential pressure controller | selectable engineering units: 25.00" w.c. | 2.083 ft w.c. | 635.0 mm w.c. | 63.50 cm w.c. | .9032 psi | 1.839" Hg | 46.71 mm Hg | 62.27 mbar | 6227 Pa | 6.227 kPa | 62.27 hPa | 14.45 oz/in². | Dwyer

$752.05$890.00

16% off

Blackhawk Supply

A-493 | 8" straight SS static pressure tip with mounting flange | Dwyer

$10.18$12.05

15% off

Blackhawk Supply

DHC-008 | Differential pressure controller | range 5.0 in w.c. | Dwyer

$548.24$648.80

Lennox X0585 20x20x5 Furnace Filter HCF14-11 MERV 11 - 1 Pack

25% off

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Lennox X0585 20x20x5 Furnace Filter HCF14-11 MERV 11 - 1 Pack

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$59.95$79.95

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Blackhawk Supply

A3003 | Pressure switch/gage | range 0-3.0" w.c. | Dwyer

$674.44$798.15

67% off

Midwest Supply

CG-U-S | AC Security Cage -Small | DiversiTech

$538.46$1,615.00

15% off

Blackhawk Supply

TSWB-010 | Temperature/water level switch | 115 VAC | °F. | Dwyer

$157.72$186.65

15% off

Blackhawk Supply

A3002 | Pressure switch/gage | range 0-2.0" w.c. | Dwyer

$674.44$798.15

16% off

Blackhawk Supply

ADPS-06-1-N | Adjustable differential pressure switch | set point range 2.00 to 10.00" w.c. | 1/2" NPT connection. | Dwyer

$27.04$32.00

69% off

Blackhawk Supply

MEP-4602Q | Actuator: Proportional / 2 Pos., 24VAC/VDC; Non-Failsafe, 54 in-lb, 3 sec / 90deg. | KMC

$205.96$659.07

AC Parts Distributors

FJAM-A200-CFV-072

$3,299.92

PRM Filtration

Dwyer 2010 Magnehelic® Differential Pressure Gauge - 0-10 Inches Of Water

$79.99

Dwyer DPG-002 Digital pressure gage | selectable engineering units: 15.00 psi | 1.055 kg/cm² | 1.034 bar | 30.54" Hg | 34.61 ft w.c. | 103.4 kPa | 240 oz/in² | 415.2" w.c. | 1034 mbar | 1055 cm w.c. | 775.7 mm Hg. | Blackhawk Supply

15% off

Blackhawk Supply

DPG-002 | Digital pressure gage | selectable engineering units: 15.00 psi | 1.055 kg/cm² | 1.034 bar | 30.54" Hg | 34.61 ft w.c. | 103.4 kPa | 240 oz/in² | 415.2" w.c. | 1034 mbar | 1055 cm w.c. | 775.7 mm Hg. | Dwyer

$308.39$364.95

Blackhawk Supply

B217B+TFRB24-3 | CCV | 0.75" | 2 Way | 4.7 Cv | w/ Spg Rtn | 24V | Floating | Belimo

$389.25

AC Parts Distributors

HK02AC027

$79.92

Ferrules Direct

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ST1014 - Compression Lug - 10 AWG - 1/4" Stud - Ferrules Direct

AD60012 - 10 AWG (12mm Pin) Insulated Ferrules - Yellow - Ferrules Direct

SB614 - 6 AWG Compression Lug - 1/4" Stud Size - Ferrules Direct

SBF638 - 90 Degree Short Barrel Compression Lug - 6 AWG - 3/8" Stud - Ferrules Direct

15% off

Blackhawk Supply

AAFS | Adjustable air flow paddle switch | Dwyer

$91.39$108.15

15% off

Blackhawk Supply

DHC-011 | Differential pressure controller | range 50 in w.c. | Dwyer

$548.24$648.80

Ultravation UltraMax EZ-UV UMX2419-EZ 17 inch Germicidal UV Air and Surface Treatment

14% off

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Ultravation UltraMax EZ-UV UMX2419-EZ 17 inch Germicidal UV Air and Surface Treatment

$170.95$197.99

16% off

Blackhawk Supply

ADPS-05-2-N | Adjustable differential pressure switch | set point range 0.80 to 4.00" w.c. | M20 connection. | Dwyer

$27.04$32.00

69% off

Blackhawk Supply

MEP-4822 | Damper Actuator | 80 in-lb | Non-Spring Return | 24V | Modulating | End Switch | KMC

$154.33$493.82

15% off

Blackhawk Supply

A6-753221 | Pressure switch | set point range 51-90 ±7 psi (3.52-6.21 ±0.48 bar). | Dwyer

$33.09$39.15

Dwyer DXW-11-153-2 Differential pressure switch | brass and fluoroelastomer wetted materials | NEMA 4X | 1/4" NPT connections | SPDT | range 10 to 25 psi. | Blackhawk Supply

16% off

Blackhawk Supply

DXW-11-153-2 | Differential pressure switch | brass and fluoroelastomer wetted materials | NEMA 4X | 1/4" NPT connections | SPDT | range 10 to 25 psi. | Dwyer

$136.76$161.85

64% off

Blackhawk Supply

HMO-1161W80 | Accessory: SimplyVAV, Wallplate, Digital Sensor, White | KMC

$38.85$108.33

69% off

Blackhawk Supply

MEP-4002V | Valve Actuator | 40 in-lb | Non-Spring Return | 24V | Modulating | KMC

$116.29$372.12

Voomi Supply

Marketair DMG-1 Drainmate Condensate Hose Adapter

$14.99

15% off

Blackhawk Supply

A6-153221 | Pressure switch | set point range 0.5-1 ±0.3 psi (0.03-0.07 ±0.02 bar). | Dwyer

$33.09$39.15

Dwyer DXW-11-153-3 Differential pressure switch | brass and fluoroelastomer wetted materials | NEMA 4X | 1/4" NPT connections | SPDT | range 25 to 50 psi. | Blackhawk Supply

16% off

Blackhawk Supply

DXW-11-153-3 | Differential pressure switch | brass and fluoroelastomer wetted materials | NEMA 4X | 1/4" NPT connections | SPDT | range 25 to 50 psi. | Dwyer

$136.76$161.85

Blackhawk Supply

PS122 | Pressure snubber | for water & oil service | 1/4" NPT. | Dwyer

$50.18

Exclusive offer available

Essential Electric Supply

9013GSG2J20 - Square D Pumptrol 20-40 PSI Pressure Switch for Water Pumps and Air Compressors, Adjustable Differential, NEMA 1, 575 VAC, 5HP

$149.87

15% off

Blackhawk Supply

DHC-012 | Differential pressure controller | range 100 in w.c. | Dwyer

$548.24$648.80

16% off

Blackhawk Supply

2-5060-NPT | Differential pressure gage | range 0-60" w.c. | 1/8" male NPT connection. | Dwyer

$57.33$67.85

15% off

Blackhawk Supply

DHC-204 | Differential pressure controller | range ±1.0 in w.c. | Dwyer

$548.24$648.80

16% off

Blackhawk Supply

ADPS-05-1-N | Adjustable differential pressure switch | set point range 0.80 to 4.00" w.c. | 1/2" NPT connection. | Dwyer

$27.04$32.00

16% off

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

$27.04$32.00

69% off

Blackhawk Supply

MEP-4501 | Damper Actuator | 45 in-lb | Non-Spring Return | 24V | Floating | KMC

$121.09$387.48

Dwyer 1950G-20-B-120-NA Explosion-proof differential pressure switch | range 4-20" w.c. | approx. deadband @ min. set point 1.2 | approx. deadband @ max. set point 3.0. | Blackhawk Supply

16% off

Blackhawk Supply

1950G-20-B-120-NA | Explosion-proof differential pressure switch | range 4-20" w.c. | approx. deadband @ min. set point 1.2 | approx. deadband @ max. set point 3.0. | Dwyer

$533.53$631.40

Top Tech TT-AK245-V2 5 inch Air Knight Air Purification System/Active Air Purifier

5% off

Atomic Filters

Top Tech TT-AK245-V2 5 inch Air Knight Air Purification System/Active Air Purifier

$618.95$649.99

69% off

Blackhawk Supply

VEB-4604NBCL | CCV | 1" - 3 Way | 22.3 Cv | Electronic Fail-Safe | 24V | Modulating | KMC

$297.35$951.50

16% off

Blackhawk Supply

DHII-016 | Differential pressure controller | range 5-0-5" w.c. NOTE: velocity & volumetric flow not available. | Dwyer

$1,015.18$1,201.41

AC Parts Distributors

M6KP0095CFV072

$1,999.92

Dwyer AP-7021-153-37 Diaphragm operated pressure switch | range 1-30 psig (.07-2.1 bar) | SPDT snap switch | low deadband 0.75 psig (0.05 bar) | high deadband 1.5 psig (0.10 bar) | max. pressure 60 psig (4.14 bar). | Blackhawk Supply

15% off

Blackhawk Supply

AP-7021-153-37 | Diaphragm operated pressure switch | range 1-30 psig (.07-2.1 bar) | SPDT snap switch | low deadband 0.75 psig (0.05 bar) | high deadband 1.5 psig (0.10 bar) | max. pressure 60 psig (4.14 bar). | Dwyer

$600.38$710.50

Atomic Compatible for Ultravation 91 - 005 16x25x5 MERV 11 Replacement Furnace Filter - 2 Pack

48% off

Atomic Filters

Compatible Replacement for Ultravation 91-025 - 16x25x5 MERV 13 Air Filter (2-Pack)

$89.95$173.99

Blackhawk Supply

A-302-A | Static pressure tip | for 3/16" and 1/8" ID plastic or rubber tubing with 6" insertion depth. | Dwyer

$26.57

AC Parts Distributors

36C84-414

$439.92

15% off

Blackhawk Supply

DHC-002 | Differential pressure controller | range 0.25 in w.c. | Dwyer

$548.24$648.80

15% off

Blackhawk Supply

1996-20 | Gas pressure switch | range 4-20" w.c. | Dwyer

$169.55$200.65

15% off

Blackhawk Supply

A-489 | 4" straight SS static pressure tip with mounting flange | Dwyer

$9.72$11.50

15% off

Blackhawk Supply

EDPS-08-2-N | Adjustable differential pressure switch | range .08-1.20" w.c. | with M20 connection. | Dwyer

$35.24$41.70

Blackhawk Supply

VG1241DR+910HGA | 2-WAY1-1/4INCV=28.9; | Johnson Controls

$301.05

Blackhawk Supply

A-605 | Air filter kit | Dwyer

$65.59

15% off

Blackhawk Supply

685-00-V | Differential pressure transmitter | 0-1" w.c. | 0-10 V output | Dwyer

$116.03$137.31

Blackhawk Supply

iO-NIZER | Duct Mount Ion Generator | iO HVAC Controls

$287.96

69% off

Blackhawk Supply

MEP-7851 | Damper Actuator | 320 in-lb | Electronic Fail-Safe | 24V | Floating | KMC

$421.50$1,348.80

21% off

Blackhawk Supply

SCE-AC5100B460VSS | NEMA IS20 | Conditioner, Air - 5100 BTU/Hr. 460 Volt, 45H x 16W x 11D | Saginaw

$6,528.99$8,307.37

69% off

Blackhawk Supply

MEP-4002 | Damper Actuator | 40 in-lb | Non-Spring Return | 24V | Modulating | KMC

$112.26$359.22

Dwyer DPG-004 Digital pressure gage | selectable engineering units: 50.00 psi | 3.515 kg/cm² | 3.448 bar | 101.8" Hg | 115.4 ft w.c. | 344.8 kPa | 800 oz/in² | 1384" w.c. | 3448 mbar | 3515 cm w.c. | 2586 mm Hg. | Blackhawk Supply

15% off

Blackhawk Supply

DPG-004 | Digital pressure gage | selectable engineering units: 50.00 psi | 3.515 kg/cm² | 3.448 bar | 101.8" Hg | 115.4 ft w.c. | 344.8 kPa | 800 oz/in² | 1384" w.c. | 3448 mbar | 3515 cm w.c. | 2586 mm Hg. | Dwyer

$308.39$364.95

MyFilterCompany.com

Ultravation 91-006 20X25X5 MERV 11 Filter 3-Pack

$149.95

16% off

Blackhawk Supply

WD3-LP-D2 | Series WD3 Water Leak Detector 24 VAC/11-27 VDC power, DPDT (1 A @ 24 VAC/VDC) | Dwyer

$57.29$67.80

Exclusive offer available

Essential Electric Supply

GBCU250 - ACP Electrical Fittings Lay-In Ground Lug 250 MCM-6 Copper

$40.59

15% off

Blackhawk Supply

DHC-202 | Differential pressure controller | range ±0.25 in w.c. | Dwyer

$548.24$648.80

Blackhawk Supply

P2-15 | Flow switch for gases | actuation set point .42 CFM (11.9 LPM) @ 5 psi. | Dwyer

$188.50

15% off

Blackhawk Supply

DM-003 | Differential digital pressure transmitter | range 0-0.5" w.c. | Dwyer

$152.44$180.40

Blackhawk Supply

616KD-01 | Differential pressure transmitter | 0 to 2" w.c. | 4-20 mA. | Dwyer

$108.50

Blackhawk Supply

A-306-A | Outdoor static pressure sensor | includes 50' vinyl tubing | mounting bracket and hardware. Gray sensor. | Dwyer

$92.11

16% off

Blackhawk Supply

DXW-11-153-1 | Series DX Wet/Wet Differential Pressure Switches 2.5 - 10 psi set-point, SPDT | Dwyer

$136.76$161.85

15% off

Blackhawk Supply

DPG-009 | Digital pressure gage | selectable engineering units: 1000 psi | 70.3 kg/cm² | 68.98 bar | 2036" Hg | 2307 ft w.c. | 6895 kPa. | Dwyer

$308.39$364.95

67% off

Blackhawk Supply

MEP-4001 | Damper Actuator | 40 in-lb | Non-Spring Return | 24V | Floating | KMC

$98.14$298.03

AC Parts Distributors

1096757

$1,799.92

AC Parts Distributors

998166130

$1,249.92

Blackhawk Supply

A-418A | Static Pressure Pickup | Dwyer

$16.80

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

15% off

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

$122.79$145.31

Atomic Compatible for Skuttle 000-0448-007 20X20X5 MERV 11 Furnace Filter (2-Pack)

25% off

Atomic Filters

Atomic Compatible for Skuttle 000-0448-007 20X20X5 MERV 11 Furnace Filter (2-Pack)

$82.95$109.95

Blackhawk Supply

PRBUP-3-T-250 | Valve Actuator | Non-Spring | 24-240V | On/Off/Floating Point | for 10" BFV | Belimo

$1,765.35

Tecnologia Shop

Dwyer - Series ADPS Differential Pressure Switch

$20.00

DH-002 | Differential pressure controller | selectable engineering units: .2500" w.c. | 6.350 mm w.c. | 0.635 cm w.c. | 0.467 mm Hg | 0.623 mbar | 62.28 Pa | 0.623 hPa | 0.114 oz/in². | Dwyer

Delivery & Returns

Blackhawk Supply

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685-00-V | Differential pressure transmitter | 0-1" w.c. | 0-10 V output | Dwyer

iO-NIZER | Duct Mount Ion Generator | iO HVAC Controls

MEP-7851 | Damper Actuator | 320 in-lb | Electronic Fail-Safe | 24V | Floating | KMC

SCE-AC5100B460VSS | NEMA IS20 | Conditioner, Air - 5100 BTU/Hr. 460 Volt, 45H x 16W x 11D | Saginaw

MEP-4002 | Damper Actuator | 40 in-lb | Non-Spring Return | 24V | Modulating | KMC

DPG-004 | Digital pressure gage | selectable engineering units: 50.00 psi | 3.515 kg/cm² | 3.448 bar | 101.8" Hg | 115.4 ft w.c. | 344.8 kPa | 800 oz/in² | 1384" w.c. | 3448 mbar | 3515 cm w.c. | 2586 mm Hg. | Dwyer

Ultravation 91-006 20X25X5 MERV 11 Filter 3-Pack

WD3-LP-D2 | Series WD3 Water Leak Detector 24 VAC/11-27 VDC power, DPDT (1 A @ 24 VAC/VDC) | Dwyer

GBCU250 - ACP Electrical Fittings Lay-In Ground Lug 250 MCM-6 Copper

DHC-202 | Differential pressure controller | range ±0.25 in w.c. | Dwyer