1-1/4" MNPT SPDT Snap Flow Switch 120/240VAC 7.7 gpm MPN:FS7-4S
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Free Shipping
In Stock
SKU
510-G1412275
1-1/4" MNPT SPDT Snap Flow Switch 120/240VAC 7.7 gpm
The 1-1/4in MNPT SPDT Snap Flow Switch from McDonnell and Miller is a reliable and efficient solution for various applications. Suitable for use in temperatures up to 300°F, this flow switch is ideal for high-temperature processes, such as steam systems and industrial heating. Its paddle-type design and brass housing ensure durability and long service life. With a maximum flow rate of 7.7 gpm, this switch is perfect for monitoring and controlling fluid flow in applications like HVAC systems, boiler systems, and industrial processes. Its compact size and easy installation make it a convenient choice for a wide range of industries.
Top product features:
- It has a snap flow switch design for easy installation and operation.
- It can handle a maximum flow rate of 7.7 gallons per minute.
- It has a SPDT (Single-Pole Double-Throw) contact rating for reliable switching and control.
Top product applications:
- Boiler Feedwater Pump Monitoring
- Commercial Water Heater Protection
- Industrial Water Treatment Plant Monitoring
Flow Switch, Ambient Temperature - Maximum 300 Degrees F, Ambient Temperature - Minimum 32 Degrees F, Connection Size 1 1/4 in, Connection Type NPT, 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), Flow Rate - Maximum 4.8 gpm, Flow Rate - Minimum 4.8 gpm, Flow Switch Type Paddle, For Pipe Size 1 1/4 in, 16 in, Housing Material Brass, Media Temperature - Maximum 300 Degrees F
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 7.70
- Package Width: 5.30
- Package Height: 11.60
- Package Weight: 4.70
Product info last updated on February 27, 2026 1:21am UTC
Category: Pump Controls