Flow

FS Series



Product Bar End
Product Bar End

FS Series

Mcdonnell & Miller Paddle Flow Switch FS Series

Mcdonnell & Miller Paddle Flow Switch

 

McDonnell & Miller FS Series paddle type flow switches are widely used in Commercial HVAC and Industrial applications for flow indication in any common pipe size 1″ and greater. The general purpose FS4-3 and general purpose weather proof FS8-W have a 1″ NPT male connection and fit pipe sizes from 1″ to 6″ sizes. The industrial grade FS7-4 and weatherproof FS7-W have a 1-1/4″ NPT male connection and fit pipe sizes from 1-1/4″ to 16″ sizes.


Products

(Wholesale customers, log in for your special pricing)

QtyModelDescriptionIn StockList PriceInternet Price
FS4-3 FLOW SW BRASS, SPDT 1-6 IN In Stock359.99287.99
FS7-4 FLOW SW BRASS, SPDT 6-16 IN INFO997.75798.20
FS7-4W FLOW SW BR, N4X, SPDT 6-16 IN In Stock1,206.55965.24
FS8-W FLOW SW NEMA4X, SPDT 1-6 IN In Stock475.64380.51

Accessories

No accessories found
Features
  • FS4-3 has SPDT switch, 1″ process connection, and is for pipes 1″ to 6″
  • FS4-3D is the same as the FS4-3 except with dual SPDT for 2 separate outputs
  • FS8-W has a weatherproof NEMA 4X housing
  • FS7-4 has SPDT switch, 1-1/4″ process connection and is for larger pipes 6″ to 16″
  • FS7-4W is the same as the FS7-4 except with weatherproof NEMA 4X housing
Certifications