

Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Xylem-McDonnell & Miller FS4-3T1-1 is a high-efficiency flow switch designed for industrial and HVAC applications. This switch ensures robust performance and precise flow management.
This flow switch is crucial for systems requiring reliable flow monitoring and control, featuring a straightforward manual operation and robust construction for extended durability. It fits seamlessly into various piping systems with a one-inch pipe size.
Thanks for subscribing!
This email has been registered!