flow meters

Reliable HVAC performance starts with proper flow balance. Whether you're commissioning a new hydronic installation or troubleshooting an existing system, the right flow control tools help verify flow rates, support efficient operation and keep systems running as designed. Blackhawk Supply has a wide selection of HVAC flow control valves for sale to help contractors optimize system performance. From verifying flow rates to advanced diagnostic testing, our collection includes the specialized tools professionals rely on to complete critical tasks.

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Dwyer WM2-A-C-03 3/4" brass multi-jet water meter (GPM). | Blackhawk Supply

WM2-A-C-03 | 3 / 4" brass multi-jet water meter (GPM). | Dwyer

Brand: Dwyer

SKU: WM2-A-C-03

Dwyer LFMF-17-I2 Polycarbonate flowmeter | range 7-70 GPM (25-250 LPM) water | 2" male NPT | 316 SS float. | Blackhawk Supply

LFMF-17-I2 | Polycarbonate flowmeter | range 7-70 GPM (25-250 LPM) water | 2" male NPT | 316 SS float. | Dwyer

Brand: Dwyer

SKU: LFMF-17-I2

Dwyer WNT-A-C-02-1 Multi-Jet water meter | 5/8" x 3/4" pipe size | NSF Certified | brass body with 1 gal pulse output. | Blackhawk Supply

WNT-A-C-02-1 | Multi-Jet water meter | 5 / 8" x 3 / 4" pipe size | NSF Certified | brass body with 1 gal pulse output. | Dwyer

Brand: Dwyer

SKU: WNT-A-C-02-1

Belimo FM100 Flow Meter NPT 1" | Forged Brass | Nickel Plated | 21.8 GPM | Power Supply 24V | Output signal 0 - 10VDC | Blackhawk Supply

FM100 | Flow Meter NPT 1" | Forged Brass | Nickel Plated | 21.8 GPM | Power Supply 24V | Output signal 0 - 10VDC | Belimo (OBSOLETE)

Brand: Belimo

SKU: FM100

Dwyer RMC-103-SSV Flowmeter | range 20-200 SCFH air. | Blackhawk Supply

RMC-103-SSV | Flowmeter | range 20-200 SCFH air. | Dwyer

Brand: Dwyer

SKU: RMC-103-SSV

Belimo 22PF-5UHH Flow sensor 2" | ∆p 1.75 kPa | FS 120 GPM | Blackhawk Supply

22PF-5UHH | Flow sensor 2" | ∆p 1.75 kPa | FS 120 GPM | Belimo

Brand: Belimo

SKU: 22PF-5UHH

Dwyer RMA-6-SSV Flowmeter | range 2-20 SCFH air. | Blackhawk Supply

RMA-6-SSV | Flowmeter | range 2-20 SCFH air. | Dwyer

Brand: Dwyer

SKU: RMA-6-SSV

Dwyer DS-300-3 Flow sensor | 3" pipe size. | Blackhawk Supply

DS-300-3 | Flow sensor | 3" pipe size. | Dwyer

Brand: Dwyer

SKU: DS-300-3

Dwyer WM2-A-C-02 5/8" x 3/4" brass multi-jet water meter (GPM). | Blackhawk Supply

WM2-A-C-02 | 5 / 8" x 3 / 4" brass multi-jet water meter (GPM). | Dwyer

Brand: Dwyer

SKU: WM2-A-C-02

Dwyer WNT-A-C-01-10 Multi-Jet water meter | 5/8" x 1/2" pipe size | NSF Certified | brass body with 10 gal pulse output. | Blackhawk Supply

WNT-A-C-01-10 | Multi-Jet water meter | 5 / 8" x 1 / 2" pipe size | NSF Certified | brass body with 10 gal pulse output. | Dwyer

Brand: Dwyer

SKU: WNT-A-C-01-10

Dwyer LFME-12-F2 Polycarbonate flowmeter | range 1.2-12 GPM (5-50 LPM) water | 1" male NPT | 316 SS float. | Blackhawk Supply

LFME-12-F2 | Polycarbonate flowmeter | range 1.2-12 GPM (5-50 LPM) water | 1" male NPT | 316 SS float. | Dwyer

Brand: Dwyer

SKU: LFME-12-F2

Jomar 103-310 T-301 | 3" | Regular Brass Gate Valve | Non-rising Stem | Threaded Connection | 200 WOG | Blackhawk Supply

103-310 | T-301 | 3" | Regular Brass Gate Valve | Non-rising Stem | Threaded Connection | 200 WOG | Jomar

Brand: Jomar

SKU: 103-310

Dwyer VFA-2-EC Flowmeter | range .2-2 SCFH air. | Blackhawk Supply

VFA-2-EC | Flowmeter | range .2-2 SCFH air. | Dwyer

Brand: Dwyer

SKU: VFA-2-EC

Dwyer VFA-25 Flowmeter | range 3-25 LPM air. | Blackhawk Supply

VFA-25 | Flowmeter | range 3-25 LPM air. | Dwyer

Brand: Dwyer

SKU: VFA-25

Dwyer VA12423 Variable area glass flowmeter | glass float | max. flow rate 2.29 SCFH (1081 ml/min) air | 0.329 GPH (20.8 ml/min) water. | Blackhawk Supply

VA12423 | Variable area glass flowmeter | glass float | max. flow rate 2.29 SCFH (1081 ml / min) air | 0.329 GPH (20.8 ml / min) water. | Dwyer

Brand: Dwyer

SKU: VA12423

Dwyer WNT-A-C-01 Multi-Jet water meter | 5/8" x 1/2" pipe size | NSF Certified | brass body with 0.1 gal pulse output. | Blackhawk Supply

WNT-A-C-01 | Multi-Jet water meter | 5 / 8" x 1 / 2" pipe size | NSF Certified | brass body with 0.1 gal pulse output. | Dwyer

Brand: Dwyer

SKU: WNT-A-C-01

Dwyer WM2-A-C-06 1-1/2" brass multi-jet water meter (GPM). | Blackhawk Supply

WM2-A-C-06 | 1-1 / 2" brass multi-jet water meter (GPM). | Dwyer

Brand: Dwyer

SKU: WM2-A-C-06

Omega FLC-H16 HYD OIL MTR 3-30 GPM 1" NPT | Blackhawk Supply

FLC-H16 | HYD OIL MTR 3-30 GPM 1" NPT | Omega

Brand: Omega

SKU: FLC-H16

Omega FLDA3310G DIRECT READ 65MM SS AIR | Blackhawk Supply

FLDA3310G | DIRECT READ 65MM SS AIR | Omega

Brand: Omega

SKU: FLDA3310G

Omega BV2000BRN250B TURBINE FLOW METER, 0.8 TO 6.6 GPM | Blackhawk Supply

BV2000BRN250B | TURBINE FLOW METER, 0.8 TO 6.6 GPM | Omega

Brand: Omega

SKU: BV2000BRN250B

Omega BV3000TRN650B TURBINE FLOW METER, 1.32 TO 17.17 GPM | Blackhawk Supply

BV3000TRN650B | TURBINE FLOW METER, 1.32 TO 17.17 GPM | Omega

Brand: Omega

SKU: BV3000TRN650B

Omega BV2000TRN150A TURBINE FLOW METER, 0.26 TO 4.0 GPM | Blackhawk Supply

BV2000TRN150A | TURBINE FLOW METER, 0.26 TO 4.0 GPM | Omega

Brand: Omega

SKU: BV2000TRN150A

Omega BV2000TRN100B TURBINE FLOW METER, 0.26 TO 2.7 GPM | Blackhawk Supply

BV2000TRN100B | TURBINE FLOW METER, 0.26 TO 2.7 GPM | Omega

Brand: Omega

SKU: BV2000TRN100B

Dwyer WMT2-A-C-07-100 2" brass multi-jet water meter (GPM) | with pulse output | 100 Gal/pulse. | Blackhawk Supply

WMT2-A-C-07-100 | 2" brass multi-jet water meter (GPM) | with pulse output | 100 Gal / pulse. | Dwyer

Brand: Dwyer

SKU: WMT2-A-C-07-100

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Viconics VT7652B5031 Thermostat | Roof | 2 Heat Cntct | 2 Cool Cntct | Programmable | Blackhawk Supply

VT7652B5031 | Thermostat | Roof | 2 Heat Cntct | 2 Cool Cntct | Programmable | Viconics

Brand: Viconics

SKU: VT7652B5031

QAA2280.FWSC | Room Temp Sensor, Full Feature, Siemens Logo, Tool Port, TEC Controllers | Siemens

Brand: Siemens

SKU: QAA2280.FWSC

Square D MD3604X Switch Motor Disconnect 60A 3P NEMA 4X | Blackhawk Supply

MD3604X | Switch Motor Disconnect 60A 3P NEMA 4X | Square D

Brand: Square D

SKU: MD3604X

KMC BAC-5051AE Router: BACnet, IP/Dual Enet/Single MSTP | Blackhawk Supply

BAC-5051AE | Router: BACnet, IP/Dual Enet/Single MSTP | KMC

Brand: KMC

SKU: BAC-5051AE

Belimo S2A Auxiliary switch | 2x SPDT | 3A (0.5A inductive) @ 250 VAC max. | Blackhawk Supply

S2A | Auxiliary switch | 2x SPDT | 3A (0.5A inductive) @ 250 VAC max. | Belimo

Brand: Belimo

SKU: S2A

Siemens GCA161.1U Damper Actuator | Spring Return | 24 VAC/DC | 0-10 Vdc | 160 lb-in | Blackhawk Supply

GCA161.1U | Damper Actuator | Spring Return | 24 VAC/DC | 0-10 Vdc | 160 lb-in | Siemens

Brand: Siemens

SKU: GCA161.1U

Contemporary Controls EISK8-GT Skorpion 8-Port GigE Switch | Blackhawk Supply

EISK8-GT | Skorpion 8-Port GigE Switch | Contemporary Controls

Brand: Contemporary Controls

SKU: EISK8-GT

Contemporary Controls EIBA5-100T/R 5-Port 10/100Mbps DIN-rail Mount BAS Switch | Blackhawk Supply

EIBA5-100T/R | 5-Port 10/100Mbps DIN-rail Mount BAS Switch | Contemporary Controls

Brand: Contemporary Controls

SKU: EIBA5-100T/R

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