Skip to main content
Now open. Take 5% off your order of $50 or more with code WELCOME5. Shop all parts →
Same-day dropship shipping on 7,400+ parts from 80+ brands Email quotes@globalpartsupply.com

Xylem-McDonnell & Miller FS4-3RP-T Liquid Flow Switch 1" NPT

Xylem-McDonnell & Miller

$296.95

In Stock

Replaces
FS4-3RP
Fits brands
Johnson Controls, Penn, Potter, Taco, Watts, Hydro Level
(No reviews yet) Write a Review
SKU:
FS4-3RP-T
Product Type:
Flow Switch
Subcategory:
Liquid Flow Switch
Application:
Residential/Commercial
System Type:
Boiler, Hydronic System, Circulator
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
Connection / Joint:
NPT
Material:
Stainless Steel, Monel
Control Type:
Non-Programmable
Switch Action:
SPDT
Adding to cart… The item has been added
McDonnell & Miller FS4-3RP-T is a general-purpose liquid flow switch with 1" NPT connection, designed to start or stop electrically operated equipment such as motors, burners, alarms, and metering devices. Features a single pole double throw snap switch, sealed Monel bellows, hardened stainless steel bearings, and includes four interchangeable stainless steel paddles (1", 2", 3", 6"). Universal design replaces common flow switches from Johnson/Penn, Potter/Taco, Watts, and Hydro Level.