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FS4-3D Mcdonnell & Miller Flow Switch, 1 in NPT paddle, 2-speed SPDT

SKU: FS4-3D
Your Price:
$453.51
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  • Voltage: 120/240VAC
  • Phase: 1 and 3
  • Connection Size: 1 in
  • For Pipe Size: 1 in
  • Media Temperature - Minimum: 32 Degrees F
  • Ambient Temperature - Minimum: 32 Degrees F

Specifications

Part Number FS4-3D
Brand Mcdonnell & Miller
For Use With Air Conditioning; Hot Water Space Heating Systems; Hot Water Supply Systems; Pump Systems; Water Cooled Equipment; Blending or Additive Systems; Liquid Transfer Systems; Fire Sprinkler Systems; Water Treatment Systems; Swimming Pool Chlorination; Industrial Laser Coolant System
Voltage 120/240VAC
Includes SPDT Switches
Features Fluid Temperature 32F to 300F; Maximum pressure
Phase 1 and 3
Overall Length 3.4 in
Overall Height 8.4 in
Overall Width 3 in
Connection Size 1 in
For Pipe Size 1 in
Item Flow Switch, 1" with 2-Speed T Switches
Standards cULus Approved
Switch Type SPDT
Media Temperature - Minimum 32 Degrees F
Contact Rating (AC) 22.2 A @ 240V (Locked Rotor), 3.7 A @ 240V (Full Load), 44.4 A @ 120V (Locked Rotor), 7.4 A @ 120V (Full Load)
Set Point Configuration Adjustable
Flow Switch Type Paddle
Ambient Temperature - Minimum 32 Degrees F
Media Temperature - Maximum 300 Degrees F
Wetted Material Brass, Stainless Steel
Flow Rate - Minimum 6 gpm
Connection Type NPT
Flow Rate - Maximum 10.2 gpm

Description

The McDonnell & Miller FS4-3D is a flow switch with 2-SPDT switches, designed for 120/240VAC operation in 1 and 3 phase systems. This type of switch detects fluid flow and actuates the SPDT switches to control or signal system operation. It is cULus Approved for use with air conditioning, hot water space heating systems, hot water supply systems, pump systems, water cooled equipment, blending or additive systems, liquid transfer systems, fire sprinkler systems, water treatment systems, swimming pool chlorination, and industrial laser coolant systems.

Shipping This item ships to USA

Processing Time:

All orders at Pro Replacement Parts are processed and shipped within 1-2 business days. For orders placed before 12 PM EST, we offer same-day shipping whenever possible. We aim to ensure that your order reaches you as quickly as possible.

Delivery Timeframe:

Most orders are delivered within 3–5 business days via UPS Ground. This is an estimated delivery timeframe, not a guarantee. Timing can vary by product availability, destination, holidays, weather, and carrier delays. Freight shipments may take longer.

Expedited Shipping:

UPS 2nd Day Air is available for eligible orders at checkout. Rates and estimated delivery dates are calculated at checkout. Two-business-day transit begins after shipment; processing time still applies.

Shipping Methods:

  • Items exceeding 50” in width or 70 lbs in weight are shipped via Freight Carrier. You will be contacted by the carrier to schedule a delivery time.
  • Items under 50” in width and 70 lbs in weight will be shipped via UPS or FedEx as a small package service.

Freight Shipments:

Freight shipments are delivered curbside in residential areas. You may need assistance to move the package indoors, or you can unbox the shipment and carry each piece inside individually. While some drivers may help move a shipment into a garage or carport, this is not guaranteed. For Inside Delivery requests, please contact us at the time of your order (additional fees apply). Email: support@proreplacementparts.com

Inspection and Damage:

Upon delivery, please inspect the carton and contents for any damage. If you find any damage, document it on the driver's delivery receipt and contact us immediately at support@proreplacementparts.com no later than 24 hours from the delivery time. We cannot accept responsibility for damage that is not noted on the driver's delivery receipt at the time of delivery.

Order Cancellations:

All order cancellations must be requested within 24 hours of placing the order. After this period, our standard return policy will take effect.

Thank you for choosing Pro Replacement Parts. We are dedicated to providing you with the best service and ensuring your orders are delivered in a timely and efficient manner. If you have any questions or need further assistance, please don't hesitate to contact us.

Wide Selection of Brands: At our store, you'll find an extensive range of electric motors from top brands in the industry. We carefully select our inventory to ensure that you have access to the best and most reliable products on the market. Whether you need a motor for an industrial machine, a household appliance, or a specialized project, we have something for everyone.

Customer-Centric Service: We believe in putting our customers first. Our team is committed to providing you with personalized service and support throughout your buying journey. From helping you choose the right motor for your needs to answering any queries you have after purchase, we're here to assist you every step of the way.

Competitive Pricing: We strive to offer our high-quality electric motors at competitive prices. Our goal is to provide you with the best value, ensuring that you get a top-performing motor without breaking the bank. Plus, our regular deals and promotions mean that you can save even more when you shop with us.

Reliable Shipping and Handling: While we don't offer same-day shipping, we understand the importance of timely delivery. That's why we work with reliable shipping partners to ensure that your order is processed, shipped, and delivered efficiently. You can trust us to get your electric motor to you in excellent condition and within a reasonable timeframe.

Knowledgeable Support: Our team is knowledgeable about the wide range of electric motors we offer. We can provide you with detailed information and specifications for each product, helping you make an informed decision. If you have any questions or need advice, our experts are just a call or email away.

Your purchase is covered by the Manufacturer’s Limited Warranty.

For return/refund information, please visit our Returns & Refunds page.

Description

  • Voltage: 120/240VAC
  • Phase: 1 and 3
  • Connection Size: 1 in
  • For Pipe Size: 1 in
  • Media Temperature - Minimum: 32 Degrees F
  • Ambient Temperature - Minimum: 32 Degrees F

Specifications

Part Number FS4-3D
Brand Mcdonnell & Miller
For Use With Air Conditioning; Hot Water Space Heating Systems; Hot Water Supply Systems; Pump Systems; Water Cooled Equipment; Blending or Additive Systems; Liquid Transfer Systems; Fire Sprinkler Systems; Water Treatment Systems; Swimming Pool Chlorination; Industrial Laser Coolant System
Voltage 120/240VAC
Includes SPDT Switches
Features Fluid Temperature 32F to 300F; Maximum pressure
Phase 1 and 3
Overall Length 3.4 in
Overall Height 8.4 in
Overall Width 3 in
Connection Size 1 in
For Pipe Size 1 in
Item Flow Switch, 1" with 2-Speed T Switches
Standards cULus Approved
Switch Type SPDT
Media Temperature - Minimum 32 Degrees F
Contact Rating (AC) 22.2 A @ 240V (Locked Rotor), 3.7 A @ 240V (Full Load), 44.4 A @ 120V (Locked Rotor), 7.4 A @ 120V (Full Load)
Set Point Configuration Adjustable
Flow Switch Type Paddle
Ambient Temperature - Minimum 32 Degrees F
Media Temperature - Maximum 300 Degrees F
Wetted Material Brass, Stainless Steel
Flow Rate - Minimum 6 gpm
Connection Type NPT
Flow Rate - Maximum 10.2 gpm

Description

The McDonnell & Miller FS4-3D is a flow switch with 2-SPDT switches, designed for 120/240VAC operation in 1 and 3 phase systems. This type of switch detects fluid flow and actuates the SPDT switches to control or signal system operation. It is cULus Approved for use with air conditioning, hot water space heating systems, hot water supply systems, pump systems, water cooled equipment, blending or additive systems, liquid transfer systems, fire sprinkler systems, water treatment systems, swimming pool chlorination, and industrial laser coolant systems.

Shipping

Shipping This item ships to USA

Processing Time:

All orders at Pro Replacement Parts are processed and shipped within 1-2 business days. For orders placed before 12 PM EST, we offer same-day shipping whenever possible. We aim to ensure that your order reaches you as quickly as possible.

Delivery Timeframe:

Most orders are delivered within 3–5 business days via UPS Ground. This is an estimated delivery timeframe, not a guarantee. Timing can vary by product availability, destination, holidays, weather, and carrier delays. Freight shipments may take longer.

Expedited Shipping:

UPS 2nd Day Air is available for eligible orders at checkout. Rates and estimated delivery dates are calculated at checkout. Two-business-day transit begins after shipment; processing time still applies.

Shipping Methods:

  • Items exceeding 50” in width or 70 lbs in weight are shipped via Freight Carrier. You will be contacted by the carrier to schedule a delivery time.
  • Items under 50” in width and 70 lbs in weight will be shipped via UPS or FedEx as a small package service.

Freight Shipments:

Freight shipments are delivered curbside in residential areas. You may need assistance to move the package indoors, or you can unbox the shipment and carry each piece inside individually. While some drivers may help move a shipment into a garage or carport, this is not guaranteed. For Inside Delivery requests, please contact us at the time of your order (additional fees apply). Email: support@proreplacementparts.com

Inspection and Damage:

Upon delivery, please inspect the carton and contents for any damage. If you find any damage, document it on the driver's delivery receipt and contact us immediately at support@proreplacementparts.com no later than 24 hours from the delivery time. We cannot accept responsibility for damage that is not noted on the driver's delivery receipt at the time of delivery.

Order Cancellations:

All order cancellations must be requested within 24 hours of placing the order. After this period, our standard return policy will take effect.

Thank you for choosing Pro Replacement Parts. We are dedicated to providing you with the best service and ensuring your orders are delivered in a timely and efficient manner. If you have any questions or need further assistance, please don't hesitate to contact us.

Why Buy From Us?

Wide Selection of Brands: At our store, you'll find an extensive range of electric motors from top brands in the industry. We carefully select our inventory to ensure that you have access to the best and most reliable products on the market. Whether you need a motor for an industrial machine, a household appliance, or a specialized project, we have something for everyone.

Customer-Centric Service: We believe in putting our customers first. Our team is committed to providing you with personalized service and support throughout your buying journey. From helping you choose the right motor for your needs to answering any queries you have after purchase, we're here to assist you every step of the way.

Competitive Pricing: We strive to offer our high-quality electric motors at competitive prices. Our goal is to provide you with the best value, ensuring that you get a top-performing motor without breaking the bank. Plus, our regular deals and promotions mean that you can save even more when you shop with us.

Reliable Shipping and Handling: While we don't offer same-day shipping, we understand the importance of timely delivery. That's why we work with reliable shipping partners to ensure that your order is processed, shipped, and delivered efficiently. You can trust us to get your electric motor to you in excellent condition and within a reasonable timeframe.

Knowledgeable Support: Our team is knowledgeable about the wide range of electric motors we offer. We can provide you with detailed information and specifications for each product, helping you make an informed decision. If you have any questions or need advice, our experts are just a call or email away.

Warranty/Returns

Your purchase is covered by the Manufacturer’s Limited Warranty.

For return/refund information, please visit our Returns & Refunds page.

FS4-3D Mcdonnell & Miller Flow Switch, 1 in NPT paddle, 2-speed SPDT

FS4-3D Mcdonnell & Miller Flow Switch, 1 in NPT paddle, 2-speed SPDT

$453.51
Add to wishlist
FS4-3D Mcdonnell & Miller Flow Switch, 1 in NPT paddle, 2-speed SPDT

FS4-3D Mcdonnell & Miller Flow Switch, 1 in NPT paddle, 2-speed SPDT

Your Price:
$453.51

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