pressure & flow control valves
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![Mcdonnell Miller 342800 Valve Assembly with Gasket Model SA53-6 | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000739_medium.jpg?v=1717080125)
342800 | Valve Assembly with Gasket Model SA53-6 | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 342800
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![Mcdonnell Miller 336101 Switch FS4-15RP Paddle Kit with 1 Inch and 6 Inch Paddles | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/mcdonnell-and-miller_05ef11ce-dd3f-4dbb-9b77-edb5bdae89be_medium.gif?v=1719942357)
336101 | Switch FS4-15RP Paddle Kit with 1 Inch and 6 Inch Paddles | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 336101
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![Mcdonnell Miller 316200 Valve Seat with Gasket for Model 51S-114 | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000730_medium.jpg?v=1717079915)
316200 | Valve Seat with Gasket for Model 51S-114 | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 316200
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![Mcdonnell Miller 176199 Pressure Sensor RS-1-HP Remote High 3/4 Inch NPT | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000709_425cf8aa-4214-4d1a-b46d-a9ddc558d9ec_medium.jpg?v=1719941927)
176199 | Pressure Sensor RS-1-HP Remote High 3/4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 176199
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![Mcdonnell Miller 172831 Flow Switch FS7-4J Single Pole Double Throw 1-1/4 Inch BSPT | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000768_f24a6333-084c-4108-8bed-4ec22c9cb0f1_medium.jpg?v=1719941988)
172831 | Flow Switch FS7-4J Single Pole Double Throw 1-1/4 Inch BSPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 172831
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![Mcdonnell Miller 172830 Flow Switch FS4-3J Single Pole Double Throw 1 Inch BSPT | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000762_bad70645-0be9-4981-9c9d-3d19ee554914_medium.jpg?v=1719941963)
172830 | Flow Switch FS4-3J Single Pole Double Throw 1 Inch BSPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 172830
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![Mcdonnell Miller 172829 Flow Switch FS1-J Single Pole Double Throw 1/2 Inch BSPT | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000747_ad614a01-e416-4440-b6d9-0f70918e5bba_medium.jpg?v=1719941969)
172829 | Flow Switch FS1-J Single Pole Double Throw 1/2 Inch BSPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 172829
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![Mcdonnell Miller 169400 Water Feeder Electric 1/2 Inch NPT 120 Volt 169400 | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/12435_f67e46ed-7551-49d2-a718-4f4b6e4025e0_medium.jpg?v=1717079239)
169400 | Water Feeder Electric 1/2 Inch NPT 120 Volt 169400 | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 169400
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![Mcdonnell Miller 134700 Water Feeder Mechanical 51 120/240 Volt | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/109525_cf15bf8a-6b72-49be-ba3a-1f4bebb7be34_medium.jpg?v=1717078994)
134700 | Water Feeder Mechanical 51 120/240 Volt | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 134700
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![Mcdonnell Miller 133800 Water Feeder Low Water Cut-off 247-2 120/240 Volt | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/12432_medium.jpg?v=1719941815)
133800 | Water Feeder Low Water Cut-off 247-2 120/240 Volt | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 133800
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123450 | Flow Switch AF3-D with 2 Single Pole Double Throw Switches | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 123450
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![Mcdonnell Miller 123400 Flow Switch AF3 Medium Velocity Single Pole Double Throw | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000675_e3b7ffe0-fe2a-41b5-8053-33155c4ca1de_medium.jpg?v=1719941738)
123400 | Flow Switch AF3 Medium Velocity Single Pole Double Throw | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 123400
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![Mcdonnell Miller 123200 Flow Switch AF2 Low Velocity Single Pole Double Throw | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000767_4718931c-f661-4cec-bcb7-69d4074690cf_medium.jpg?v=1719941674)
123200 | Flow Switch AF2 Low Velocity Single Pole Double Throw | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 123200
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![Mcdonnell Miller 123010 Flow Switch AFE1-1 with NEMA 7/9 Enclosure Single Pole Double Throw | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000741_935b3d23-cc06-4bac-9349-cbfe63802644_medium.jpg?v=1719941727)
123010 | Flow Switch AFE1-1 with NEMA 7/9 Enclosure Single Pole Double Throw | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 123010
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![Mcdonnell Miller 122920 Flow Switch AF1-J with Corrosion Coating Single Pole Double Throw | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000761_medium.jpg?v=1719941742)
122920 | Flow Switch AF1-J with Corrosion Coating Single Pole Double Throw | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 122920
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![Mcdonnell Miller 122800 Flow Switch AF1 Single Pole Double Throw | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000618_medium.jpg?v=1717078870)
122800 | Flow Switch AF1 Single Pole Double Throw | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 122800
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![Mcdonnell Miller 120191 Flow Switch FS7-4SW Stainless Steel Body NEMA 4X Enclosure Single Pole Double Throw 1-1/4 Inch NPT | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000746_8cc655d1-62d4-42ab-9f15-16258dba6373_medium.jpg?v=1719941761)
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
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![Mcdonnell Miller 120160 Flow Switch FS7-4S with Stainless Steel Body Single Pole Double Throw 1-1/4 Inch NPT | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/1000752_f18378f3-e982-4ebe-834e-a482e442ffe4_medium.jpg?v=1719941677)
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
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