Pressure & flow control valves Mcdonnell Miller
Pressure and control valves are essential components in many types of HVAC equipment and systems. These small devices regulate the flow and pressure of various fluids, including water and refrigerant, enabling the system to operate efficiently and safely.
Midwest Supply is your one-stop headquarters for a wide range of pressure and flow control valves and related equipment from leading manufacturers. Since 2015, we have provided high-performing products at competitive prices and backed them with exceptional service. We have the industry insight and expertise to help you succeed at every phase of your installation, repair or maintenance project.
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123200 | Flow Switch AF2 Low Velocity Single Pole Double Throw | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 123200
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115200 | Flow Switch FS4-3T2-1 Single Pole Double Throw 1 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 115200
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114900 | Flow Switch FS4-3T2-3/4 Single Pole Double Throw 3/4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114900
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114763 | Flow Switch FS5-3/4 with 2 Single Pole Double Throw Switches 3/4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114763
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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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316200 | Valve Seat with Gasket for Model 51S-114 | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 316200
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169400 | Water Feeder Electric 1/2 Inch NPT 120 Volt 169400 | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 169400
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172829 | Flow Switch FS1-J Single Pole Double Throw 1/2 Inch BSPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 172829
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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
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342800 | Valve Assembly with Gasket Model SA53-6 | Mcdonnell Miller (OBSOLETE)
Brand: Mcdonnell Miller
SKU: 342800
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336101 | Switch FS4-15RP Paddle Kit with 1 Inch and 6 Inch Paddles | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 336101
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176199 | Pressure Sensor RS-1-HP Remote High 3/4 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 176199
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172830 | Flow Switch FS4-3J Single Pole Double Throw 1 Inch BSPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 172830
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134700 | Water Feeder Mechanical 51 120/240 Volt | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 134700
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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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123400 | Flow Switch AF3 Medium Velocity Single Pole Double Throw | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 123400
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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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122920 | Flow Switch AF1-J with Corrosion Coating Single Pole Double Throw | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 122920
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