Skip to content
  • 🔥 New arrivals and big savings! 🔥
  • 🔥 New arrivals and big savings! 🔥
Outlet Hvac Motive StoreOutlet Hvac Motive Store
  • Menu
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • HVAC Components
    • Crankcase Heaters
    • Compressors
    • Heat Exchangers
    • Hard Start Kits
    • Furnace & Air Handlers
    • Cooling Filter Dryers
    • Service Tools & Parts
  • Ignition & Combustion Components
  • Pumps & Circulators
  • Capacitors
  • HVAC Hardware & Parts
    • Hydronic Hardware & Parts
Home / HVAC Components / Pumps & Circulators / Expansion Tanks & Vents
Sale!
McDonnell & Miller FS7-4E Flow Switch 1-1/4" NPT With Paddles

McDonnell & Miller FS7-4E Flow Switch 1-1/4" NPT With Paddles

$593.00 Original price was: $593.00.$95.99Current price is: $95.99.

Buy Now
SKU: McDonnell & Miller WBB360381 Categories: Expansion Tanks & Vents, HVAC Components, Pumps & Circulators Tags: 120 / 240 V, 3 - 5.9 gal/min, 4.8 - 7.7 gal/min, 7.4 / 3.7 A, Brass, FS7-4E, HVAC & Fans, McDonnell & Miller
  • Sustainable materials, for a better tomorrow.
  • Efficiency meets excellence in customer care.
  • Fast, friendly, always here to help.
  • Buy Quality, Live Better
Browse
  • HVAC Components
    • Capacitors
    • Compressors
    • Cooling Filter Dryers
    • Crankcase Heaters
    • Furnace & Air Handlers
    • Hard Start Kits
    • Heat Exchangers
    • Ignition & Combustion Components
      • Combustion Air Systems
      • Flue Gas Vent Pipes & Supports
      • Fuel Valves
      • Gas Ignition & Pilots
      • Gas Regulators
      • Venting Control Kits
    • Pumps & Circulators
      • Circulators
      • Condensate Pumps
      • Expansion Tanks & Vents
      • Flanges, Seals & Mounts
      • Fuel Oil Pumps
      • Pump & Circulator Accessories
    • Service Tools & Parts
      • HVAC Cleaning Equipment
      • HVAC Thermometers
      • Installation & Maintenance Tools
      • Refrigerant Leak Detectors
      • Refrigerant Manifolds & Gauges
      • Refrigerant Recovery Tools
  • HVAC Hardware & Parts
    • Hydronic Hardware & Parts
  • Uncategorized
  • Description
  • Additional information
  • Reviews (0)
FS7-4E Flow Switch 1-1/4″ NPT With Paddles

Universal design serves the widest variety of large pipe applications, including heating and hydronic systems, air conditioning, refrigeration and process work. Includes 4 stainless steel Paddles: 1″, 2″, 3″, 6″. NEMA Enclosure Type 7 – Hazardous Location (Class 1-Group C or D) & Type 9 – Hazardouse Location (Class 2-Group E,F, or G).

Height

13-3/4 in

NPT

1-1/4 in

Width

4-5/8 in

Length

7-1/4 in

Amperage

7.4 / 3.7 A

No Flow

3 – 5.9 gal/min

Voltage

120 / 240 V

Material

Brass

Manufacturers Part Number

FS7-4E

Flow Actuation

4.8 – 7.7 gal/min

Brand

McDonnell & Miller

Warranty

1 yr

NEMA Standard

Type 7 & Type 9

Reviews

There are no reviews yet.

Be the first to review “McDonnell & Miller FS7-4E Flow Switch 1-1/4" NPT With Paddles” Cancel reply

Related products

Sale!
Little Giant® VCMA-20ULS Condensate Removal Pump with Safety Switch 115V
Quick View

Condensate Pumps

Little Giant® VCMA-20ULS Condensate Removal Pump with Safety Switch 115V

$73.95 Original price was: $73.95.$51.77Current price is: $51.77.
Sale!
Maxitrol 1" Lever Acting Regulator with Vent Limiter 325-5V-1 Up To 325,000 BTU
Quick View

Gas Regulators

Maxitrol 1" Lever Acting Regulator with Vent Limiter 325-5V-1 Up To 325,000 BTU

$58.95 Original price was: $58.95.$41.27Current price is: $41.27.
Sale!
Supco Condensate Drain Pan 50 oz. Capacity, 120 V, 6 oz./ hr.
Quick View

HVAC Components

Supco Condensate Drain Pan 50 oz. Capacity, 120 V, 6 oz./ hr.

$96.95 Original price was: $96.95.$67.87Current price is: $67.87.
Sale!
Global Industrial™ B461387, 40 +/- 5% MFD, 440V, Run Capacitor, Oval
Quick View

Capacitors

Global Industrial™ B461387, 40 +/- 5% MFD, 440V, Run Capacitor, Oval

$3.62 Original price was: $3.62.$2.53Current price is: $2.53.
Sale!
Friedrich PTAC 20 Amp Cord, 5 ft. L, 230/208V, Beige
Quick View

HVAC Components

Friedrich PTAC 20 Amp Cord, 5 ft. L, 230/208V, Beige

$74.95 Original price was: $74.95.$52.47Current price is: $52.47.
Sale!
Supco Fin Comb 9 & 10 Fins Per Inch
Quick View

HVAC Components

Supco Fin Comb 9 & 10 Fins Per Inch

$18.25 Original price was: $18.25.$12.78Current price is: $12.78.
Sale!
Mastercool® 63010 50 lb D.O.T. Refrigerant Recovery Tank Without Float Switch 1/4" FL-M
Quick View

HVAC Components

Mastercool® 63010 50 lb D.O.T. Refrigerant Recovery Tank Without Float Switch 1/4" FL-M

$167.95 Original price was: $167.95.$96.99Current price is: $96.99.
Sale!
National Refrigeration Products NRP NC1000 Refrigerant Recovery Cylinder, 1000 Lbs With Float Gauge
Quick View

HVAC Components

National Refrigeration Products NRP NC1000 Refrigerant Recovery Cylinder, 1000 Lbs With Float Gauge

$579.00 Original price was: $579.00.$95.99Current price is: $95.99.
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
Signup for Newsletter

We will keep you up to date with all the latest news and exclusive promotions.

    Copyright 2026 © www.hvacmotive.com
    • HVAC Components
      • Crankcase Heaters
      • Compressors
      • Heat Exchangers
      • Hard Start Kits
      • Furnace & Air Handlers
      • Cooling Filter Dryers
      • Service Tools & Parts
    • Ignition & Combustion Components
    • Pumps & Circulators
    • Capacitors
    • HVAC Hardware & Parts
      • Hydronic Hardware & Parts
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.