1" MNPT SPDT Snap General Purpose Flow Switch 120/240VAC 131 gpm MPN:FS251

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Brand: McDonnell and Miller
Part #: FS251
UPC: 751875991251
SKU
510-G2373856
Regular Price $383.59 Special Price $273.99

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1" MNPT SPDT Snap General Purpose Flow Switch 120/240VAC 131 gpm

The McDonnell and Miller 1in MNPT SPDT Snap General Purpose Flow Switch is a reliable and versatile solution for detecting fluid flow in a variety of applications. Suitable for use in temperatures ranging from 32°F to 227°F, this flow switch is ideal for industrial and commercial settings where temperature control is crucial. With a maximum flow rate of 131 gpm and a contact rating of up to 22.2A @ 240V, this switch can handle demanding applications such as HVAC systems, water treatment plants, and manufacturing processes. Its durable brass housing and snap-action design ensure reliable performance in a range of environments.

Top product features:

  • General Purpose Switch for detecting flow rates up to 131 gpm
  • Snap General Purpose Flow Switch with a SPDT (Single Pole Double Throw) configuration
  • Contact Rating for handling high current loads up to 44.4 A @ 120V (Locked Rotor)

Top product applications:

  • Cooling Tower System
  • Water Treatment Plant
  • Boiler Feedwater Monitoring
General Purpose Switch, Ambient Temperature - Maximum 227 Degrees F, Ambient Temperature - Minimum 32 Degrees F, Connection Size 1 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 5.8 gpm, Flow Rate - Minimum 5.8 gpm, Flow Switch Type Paddle, For Pipe Size 1 in, 6 in, Housing Material Brass, Media Temperature - Maximum 227 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: 8.40
  • Package Width: 4.10
  • Package Height: 3.60
  • Package Weight: 1.99
Product info last updated on January 27, 2026 12:46am UTC Category: Pump Controls
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In stock