Auer Steel
Skip to main content
Site Search
submit search
Products
Brands
Training
Services
After Hours Emergency Service
Curbside Pickup
Delivery
Engineering Support
Marketing
Technical Support
Text Services
Warranty
Resources
Mobile App
Auer Rewards
FAQ
IAQ Resource Center
Line Cards
New Business Application
News & Updates
Payment Portal
About Us
Auer Story
Auer Life
Auer Careers
Locations
Milwaukee
Neenah
Madison
Sheboygan
Sturtevant
Pewaukee
Woolworth
Plymouth
Fargo
Request Business Account
Cart (
)
{0} items in cart
Sign In
menu
Search
Cart
Home
/
Brands
/
McDonnell & Miller
/
Hydronics
/
Hydronic Controls
/
Flow Switches
Filter
Skip to Results
Search Within Brand
Search Tip:
Use four or more characters for best results.
Stocked Items
In Stock
Voltage Rating
120/240 VAC (2)
Operating Temperature
32 to 225 deg F (1)
32 to 300 deg F (1)
Series
FS8-W (1)
FS4-3 (1)
Frequency Rating
50/60 Hz (2)
Type
General Purpose (1)
Connection Type
1 in NPT (2)
Amperage Rating
3.7 to 7.4 A (2)
Enclosure Type
NEMA 1 (1)
NEMA 4X (1)
Flow Switches
2
items
Sort by
Best Match
Product: A to Z
Product: Z to A
Product List View
Product Grid View
Product Table View
content loaded
Compare
McDonnell & Miller
MM FS4-3 With Two Spdt Switches
Part #
FS4-3D
Voltage Rating
120/240 VAC
Operating Temperature
32 to 300 deg F
Series
FS4-3
Login for Price
Compare
McDonnell & Miller
MM Liquid Switch General Purpose
Part #
FS8W
Voltage Rating
120/240 VAC
Operating Temperature
32 to 225 deg F
Series
FS8-W
Login for Price
Compare
McDonnell & Miller
MM FS4-3 With Two Spdt Switches
Part #
FS4-3D
Voltage Rating
120/240 VAC
Operating Temperature
32 to 300 deg F
Series
FS4-3
Login for Price
Compare
McDonnell & Miller
MM Liquid Switch General Purpose
Part #
FS8W
Voltage Rating
120/240 VAC
Operating Temperature
32 to 225 deg F
Series
FS8-W
Login for Price
Results Per Page
24
48
72
96
First page
Previous page
1
Next page
Last page