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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...

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...



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