mcdonnell miller

Blackhawk Supply offers McDonnell & Miller backflow preventers, pressure-reducing valves, and water-mixing valves. Shop today!

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Mcdonnell Miller 114639 Flow Switch FS4-3RP-T Liquid with Test Feature 1 Inch NPT | Blackhawk Supply

114639 | Flow Switch FS4-3RP-T Liquid with Test Feature 1 Inch NPT | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 114639

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Mcdonnell Miller 114550 Flow Switch FS4-3D with 2 SPDT Switches 1 Inch NPT Vertical | Blackhawk Supply

114550 | Flow Switch FS4-3D with 2 SPDT Switches 1 Inch NPT Vertical | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 114550

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Mcdonnell Miller 113601 Flow Switch FS1-W High Sensitivity Single Pole Double Throw 1/2 Inch NPT | Blackhawk Supply

113601 | Flow Switch FS1-W High Sensitivity Single Pole Double Throw 1 / 2 Inch NPT | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 113601

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Mcdonnell Miller 113550 Flow Switch FS1-J High Sensitivity Single Pole Double Throw 1/2 Inch BSPT | Blackhawk Supply

113550 | Flow Switch FS1-J High Sensitivity Single Pole Double Throw 1 / 2 Inch BSPT | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 113550

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Mcdonnell Miller 110900 Switch Low Water Cut Off Proportional 7B with Manual Reset | Blackhawk Supply

110900 | Switch Low Water Cut Off Proportional 7B with Manual Reset | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 110900

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Mcdonnell Miller 110400 Switch 5-M Electric with Manual Reset 120/240 Volt | Blackhawk Supply

110400 | Switch 5-M Electric with Manual Reset 120 / 240 Volt | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 110400

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Mcdonnell Miller 110300 Switch 5 Electric Replacement 120/240 Volt | Blackhawk Supply

110300 | Switch 5 Electric Replacement 120 / 240 Volt | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 110300

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Mcdonnell Miller 110100 Switch 2-M Cutoff with Manual Reset | Blackhawk Supply

110100 | Switch 2-M Cutoff with Manual Reset | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 110100

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Mcdonnell Miller 110000 Switch 2 Cutoff Replacement 120/240 Volt | Blackhawk Supply

110000 | Switch 2 Cutoff Replacement 120 / 240 Volt | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 110000

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Veris PW2LX05S Pressure | Wet | NEMA 4 | LCD | 0-250PSID | Blackhawk Supply

Brand: Veris

SKU: PW2LX05S

Graco D53277 Husky 716 AL Air Operated Double Diaphragm Metal Pump with NPT Standard Air Valve, AC Seat, Buna Ball, & Buna Diaphragm | Blackhawk Supply

D53277 | Husky 716 AL Air Operated Double Diaphragm Metal Pump with NPT Standard Air Valve, AC Seat, Buna Ball, & Buna Diaphragm | Graco

Brand: Graco

SKU: D53277

Square D MA4IMA24 Surge Protection Module, IMA, 240kA, 480Y/277V AC, 3-Phase, 4-Wire, NEMA 2 | Blackhawk Supply

MA4IMA24 | Surge Protection Module, IMA, 240kA, 480Y/277V AC, 3-Phase, 4-Wire, NEMA 2 | Square D by Schneider Electric

Brand: Square D

SKU: MA4IMA24

Saginaw SCE-60P48 NEMA N/A | Subpanel, Bent, 56H x 44W x 1D | Blackhawk Supply

SCE-60P48 | NEMA N/A | Subpanel, Bent, 56H x 44W x 1D | Saginaw

Brand: Saginaw

SKU: SCE-60P48

Functional Devices PSH600-UPS Enclosed UPS Interface board w/ 600VA UPS | Blackhawk Supply

PSH600-UPS | Enclosed UPS Interface board w/ 600VA UPS | Functional Devices

Brand: Functional Devices

SKU: PSH600-UPS

Graco D52966 Husky 515 PP 1/2 in NPT Standard Pump, PP Center Section, PP Seats, SP Balls & SP Diaphragm | Blackhawk Supply

D52966 | Husky 515 PP 1/2 in NPT Standard Pump, PP Center Section, PP Seats, SP Balls & SP Diaphragm | Graco

Brand: Graco

SKU: D52966

ACI TSENSE-LCD CO2/RH/TEMP, LCD, RELAY, BACNT | Blackhawk Supply

TSENSE-LCD | CO2/RH/TEMP, LCD, RELAY, BACNT | ACI

Brand: ACI

SKU: TSENSE-LCD

Belimo ZS-100 Weather shield - galvaneal (13" L x 8" W x 6" D). | Blackhawk Supply

ZS-100 | Weather shield - galvaneal (13" L x 8" W x 6" D). | Belimo

Brand: Belimo

SKU: ZS-100