Scroll to view all
Mcdonnell miller Liquid flow Used on
Blackhawk Supply offers McDonnell & Miller backflow preventers, pressure-reducing valves, and water-mixing valves. Shop today!
View Details
114610 | Flow Switch FS4-3 Single Pole Double Throw 1 Inch BSPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114610
View Details
120100 | Flow Switch FS7-4E Single Pole Double Throw with NEMA 7 / 9 Enclosure 1-1 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 120100
View Details
115200 | Flow Switch FS4-3T2-1 Single Pole Double Throw 1 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 115200
View Details
115300 | Flow Switch FS4-3T3-1 Low Flow SPDT 1 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 115300
View Details
114550 | Flow Switch FS4-3D with 2 SPDT Switches 1 Inch NPT Vertical | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114550
View Details
115652 | Flow Switch FS6-W-1 with NEMA 4X Enclosure SPDT 1 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 115652
View Details
114763 | Flow Switch FS5-3 / 4 with 2 Single Pole Double Throw Switches 3 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114763
View Details
114900 | Flow Switch FS4-3T2-3 / 4 Single Pole Double Throw 3 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114900
View Details
120191 | Flow Switch FS7-4SW Stainless Steel Body NEMA 4X Enclosure Single Pole Double Throw 1-1 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 120191
View Details
120175 | Flow Switch FS7-4SE Stainless SPDT with NEMA 7-9 Enclosure 1-1 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 120175
View Details
120160 | Flow Switch FS7-4S with Stainless Steel Body Single Pole Double Throw 1-1 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 120160
View Details
120150 | Flow Switch FS7-4EL with Extended Paddle / Arm Single Pole Double Throw 1-1 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 120150
View Details
119900 | Flow Switch FS7-4L with Extended Paddle / Arm Single Pole Double Throw 1-1 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 119900
View Details
119750 | Flow Switch FS7-4D with 2 SPDT 1-1 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 119750
View Details
115100 | Flow Switch FS4-3T1-1 Single Pole Double Throw 1 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 115100
View Details
115000 | Flow Switch FS4-3T3-4 Low Flow SPDT 3 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 115000
View Details
114800 | Flow Switch FS4-3T1-3 High Flow SPDT 3 / 4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114800
View Details
114642 | Flow Switch FS4-3DS with 2 Single Pole Double Throw Switches 1 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114642
View Details
114641 | Flow Switch FS4-3S with SPDT Body Stainless Steel 1 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114641
View Details
113601 | Flow Switch FS1-W High Sensitivity Single Pole Double Throw 1 / 2 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 113601
View Details
113550 | Flow Switch FS1-J High Sensitivity Single Pole Double Throw 1 / 2 Inch BSPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 113550
Committed to customer satisfaction
as experts in Mcdonnell Miller
Recently Viewed
Popular Products
View all →
S2A | Auxiliary switch | 2x SPDT | 3A (0.5A inductive) @ 250 VAC max. | Belimo
Brand: Belimo
SKU: S2A
SDSA2040 | SPD T1 SDSA 40KA 120/208V 3P4W | Square D
Brand: Square D
SKU: SDSA2040
VT7225 | Room Controller Heating Analog Output and PWM Output; Replaces C1025 & T920 | Viconics
Brand: Viconics
SKU: VT7225
PW2LX04S | Pressure | Wet | 2 | Nema 4 | LCD | 0-100PSID | Veris
Brand: Veris
SKU: PW2LX04S
B225+LF24 US | CCV | 1" | 2 Way | 30 Cv | w/ Spg Rtn | 24V | On/Off | Belimo
Brand: Belimo
SKU: B225+LF24 US
LMB24-SR | Damper Actuator | 45 in-lb | Non-Spg Rtn | 24V | Modulating | Belimo
Brand: Belimo
SKU: LMB24-SR
BAST-221C-B2 | BACnet MS/TP Thermostat 2-Heat/2-Cool/1-Fan Wired | Contemporary Controls
Brand: Contemporary Controls
SKU: BAST-221C-B2
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