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McDonnell Miller
Model FS1-W

• For applications requiring a water-tight, dust-tight, or a NEMA 4X rated flow switch

McDonnell Miller
Model FS6-W

• For applications requiring a water-tight, dust-tight, or a NEMA 4X rated flow switch

McDonnell Miller
Series FS4-3T

• For starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others
• In-line configuration eliminates need for...

McDonnell Miller
Series FS4-3

• Universal design serves the widest variety of applications
• For starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering...

McDonnell Miller
Series FS7-4

• Universal design serves the widest variety of large pipe applications, including heating and hydronic systems, air conditioning, refrigeration and process work

McDonnell Miller
Series FS7-4W

• For applications requiring a water-tight, dust-tight or a NEMA 4X rated flow switch 

McDonnell Miller
Series FS7-4E

• For hazardous environment applications requiring a NEMA 7 (Class I, Group C or D) or NEMA 9 Class II, Group E, F, or G) rated flow switch

McDonnell Miller
Series FS5

• For general purpose applications requiring low flow rate sensitivity
• In-line configuration eliminates need for a pipe tee 

McDonnell Miller
Series FS1

• For general purpose applications where high sensitivity is required and moderate or low flow rates are encountered such air conditioning, heating and hydronic systems, water, fuel oil, some...



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