FS4-3 - 1 In. NPT

McDonnell-MillerSKU: CAC497522

Sale price$315.31


Purchase McDonnell-Miller FS4-3 - 1 In. NPT For Sale

The McDonnell-Miller FS4-3 One Inch NPT General Purpose Flow Switch offers dependable and reliable operation for controlling two separate circuits. With four stainless steel paddles included, with sizes of 1, 2, 3 and 6 in., the switch provides superior performance in a wide range of applications. The FS4-3 is ideal for use in hydronic and pneumatic systems, offering reliable operation under temperatures as low as 32 degrees Fahrenheit and as high as 300 degrees Fahrenheit, as well as up to 160 psi of pressure.

The FS4-3 Flow Switch also comes equipped with a 565 heating circuit control. This allows for external control in both manual and automatic modes. The switch is ideal for detecting water flow in forced-flow hydronic heating, cooling and air conditioning systems. This includes pumps, fan coils, and unit ventilators. Additionally, the FS4-3 features a manual reset button, allowing it to be remotely reset with a 24V signal from an external control station.

The FS4-3 is also easy to install and maintain. It comes with a 1.9 lbs. body and a UL Listed rating for safety and ease of operation. The FS4-3 switch also operates at a quiet level, making it suitable for both residential and commercial applications. With its ITT base model number (FS251) and UPC code (751875000274), the McDonnell-Miller FS4-3 One Inch NPT General Purpose Flow Switch is the perfect solution for any environment where temperature, pressure, and flow control are of paramount importance.

Major Category: Hydronics/Pneumatics

Sub Category: Controls

Product type: Switches & Relays

Brand/Manufacturer: McDonnell-Miller
Part #: FS4-3
UPC: 751875000274
1 In. NPT | General Purpose Flow Switch | Two SPDT switches to make or break two separate circuits | Four stainless steel paddles included -1 in. 2 In. 3 In. & 6 In. | Minimum temperature (fluid or ambient) 32 Deg F | Maximum temperature 300 Deg F | Maximum pressure 160 psi | 1.90 Lbs

Category: Hydronics/Pneumatics >> Controls >> Switches & Relays

About McDonnell-Miller

McDonnell-Miller is a leading manufacturer and supplier of control systems for HVAC, plumbing, and process industries. Their products are used by hundreds of thousands of customers in various industries around the world. Their products allow customers to control the temperature, water flows, gas flows, and pressure in their facilities. McDonnell-Miller is renowned for their reliable and accurate control systems and they innovate regularly to stay at the top of HVAC industry. Their products are used in residential, commercial, industrial, and institutional buildings to help their heating and cooling systems run efficiently. As a leader in the HVAC industry, McDonnell-Miller strives to develop cost-effective, innovative solutions for their customers. They are committed to providing superior quality and personalized service, which has earned them a loyal customer base around the globe.

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