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Xylem-McDonnell & Miller FS4-3 Flow Switch 1" NPT 160 PSI

Xylem-McDonnell & Miller

$214.95

In Stock — 10+ available

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SKU:
FS4-3
Product Type:
Flow Switch
Subcategory:
Liquid Flow Switch
Application:
Residential/Commercial
System Type:
Boiler, Hydronic, Chiller
Installation Type:
OEM Replacement
Voltage:
120/240V AC
Phase:
Single Phase
Temperature Range:
32°F to 300°F
Pressure Rating:
160 PSI
Inlet Size:
1" NPT
Connection Type:
NPT
Material:
Monel bellows, stainless steel bearings and paddles
Switch Action:
SPDT
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Flat-rate shipping. The same price to anywhere in the 50 states.

Ships same or next business day · UPS Ground, typically 1–5 business days.

General-purpose liquid flow switch for starting or stopping electrically operated equipment including motors, alarms, burners, and metering devices. Features 1" NPT connection, single pole double throw (SPDT) snap switch, and includes four interchangeable stainless steel paddles (1", 2", 3", 6"). Rated 160 PSI maximum, 300°F maximum temperature. Universal design replaces common switches from Johnson/Penn, Potter/Taco, Watts, and Hydrolevel.