mcdonnell miller
Blackhawk Supply offers McDonnell & Miller backflow preventers, pressure-reducing valves, and water-mixing valves. Shop today!
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![Mcdonnell Miller 114780 Flow Switch FS5-1 General Purpose Liquid SPDT 1 Inch NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/67715_medium.jpg?v=1720024308)
114780 | Flow Switch FS5-1 General Purpose Liquid SPDT 1 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114780
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![Mcdonnell Miller 114760 Flow Switch FS5-3/4 General Purpose SPDT 3/4 Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/79947_medium.jpg?v=1720024339)
114760 | Flow Switch FS5-3 / 4 General Purpose SPDT 3 / 4 Inch | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114760
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![Mcdonnell Miller 114642 Flow Switch FS4-3DS with 2 Single Pole Double Throw Switches 1 Inch NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1000750_483c04fd-afd1-42da-ac31-c39cfa8cac9d_medium.jpg?v=1720024333)
114642 | Flow Switch FS4-3DS with 2 Single Pole Double Throw Switches 1 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114642
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![Mcdonnell Miller 114641 Flow Switch FS4-3S with SPDT Body Stainless Steel 1 Inch NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/969422_medium.jpg?v=1720024330)
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](http://blackhawksupply.com/cdn/shop/files/1000663_e8bdebec-23d1-49f7-a62d-8bdd1af91dfd_medium.jpg?v=1720024303)
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](http://blackhawksupply.com/cdn/shop/files/1000713_556acc88-dcdb-4adc-af55-aadd927665ba_medium.jpg?v=1720024329)
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](http://blackhawksupply.com/cdn/shop/files/995040_5d0d1ef4-59d1-43e1-ae54-82c15de11387_medium.jpg?v=1720024307)
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](http://blackhawksupply.com/cdn/shop/files/786094_medium.jpg?v=1721070051)
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](http://blackhawksupply.com/cdn/shop/files/69798_medium.jpg?v=1720024324)
110100 | Switch 2-M Cutoff with Manual Reset | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 110100
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IU024Q6A1 | Setpoint Actuator Head for Taco iSeries Mixing Valves | Taco
Brand: Taco
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800-105ADDG | LEAD FREE ADD-A-VALVE | 1" | Lead Free Emergency Shut-off Device | Jomar
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SKU: 800-105ADDG![Belimo AF120 US Damper Actuator | 180 in-lb | Spg Rtn | 24 to 240V (UP) | On/Off | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/af120-s-2_9968fd3e-e117-4a54-a5b9-571b6c984b26_large.jpg?v=1723858694)
AF120 US | Damper Actuator | 180 in-lb | Spg Rtn | 24 to 240V (UP) | On/Off | Belimo (OBSOLETE)
Brand: Belimo
SKU: AF120 US