mcdonnell miller

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

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Mcdonnell Miller 114641 Flow Switch FS4-3S with SPDT Body Stainless Steel 1 Inch NPT | Blackhawk Supply

114641 | Flow Switch FS4-3S with SPDT Body Stainless Steel 1 Inch NPT | Mcdonnell Miller

Brand: Mcdonnell Miller

SKU: 114641

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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 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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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

SKU: BAST-221C-B2

Neptronic EHS45-600-10 1 Phase 45 Amps Multi-Signal Control | [NFEHS45-600-10] | Blackhawk Supply

EHS45-600-10 | 1 Phase 45 Amps Multi-Signal Control | [NFEHS45-600-10] | Neptronic

Brand: Neptronic

SKU: EHS45-600-10

Veris PWLX04S Pressure | Wet | Nema 4 | LCD | 0-100PSID | Blackhawk Supply

Brand: Veris

SKU: PWLX04S

iO HVAC Controls iO-TWIN Universal Twinning Kit | Blackhawk Supply

iO-TWIN | Universal Twinning Kit | iO HVAC Controls

Brand: iO HVAC Controls

SKU: iO-TWIN

Siemens SKD62U Flowrite Electro-Hydraulic Actuator, 24Vac, Proportional, SR, 3/4" Stroke | Blackhawk Supply

SKD62U | Flowrite Electro-Hydraulic Actuator, 24Vac, Proportional, SR, 3/4" Stroke | Siemens

Brand: Siemens

SKU: SKD62U

Belimo B220+LF120 US CCV | 0.75" | 2 Way | 14 Cv | w/ Spg Rtn | 120V | On/Off | Blackhawk Supply

B220+LF120 US | CCV | 0.75" | 2 Way | 14 Cv | w/ Spg Rtn | 120V | On/Off | Belimo

Brand: Belimo

SKU: B220+LF120 US

Belimo ZIP-BT-NFC Bluetooth to NFC converter for temporary wireless operation | Blackhawk Supply

ZIP-BT-NFC | Bluetooth to NFC converter for temporary wireless operation | Belimo

Brand: Belimo

SKU: ZIP-BT-NFC

Belimo NMB24-SR Damper Actuator | 90 in-lb | Non-Spg Rtn | 24V | Modulating | Blackhawk Supply

Brand: Belimo

SKU: NMB24-SR