» Ruth O’Donnell

The Preferred Design: Waterproof Pump Set for Continuous Power

Made in the U.S.A. to support nursing homes, hospitals, nuclear power plants, mission critical and data center installations: the Preferred Waterproof / Submersible Pump Sets for diesel fired E-Gen Systems and #2 oil fired boiler applications are patented, tested, and proven for continuous operation under more than 40′ of water pressure without leak. This design allows consulting and […]

How to make “Green Hydrogen” a Viable Solution for Reducing Emissions?

To move forward with plans for development in the face of the volatility of shared natural resources, many industries are taking a closer look at alternative fuels. Hydrogen, in particular, has amassed significant attention. “Green hydrogen” is a fuel created using renewable energy, and it has proven to be a valuable asset in transportation, manufacturing, and other energy-focused […]

Modbus RTU verses Modbus TCP/IP: What’s the Difference?

-Robert Frohock, Danbury, CT See also: “I know what Modbus is, but what is BACnet?” Modbus Protocol is a messaging structure developed by Modicon. It is used to establish master-slave/client-server communication between devices. Modbus has a lot of protocol options. But the two used most are Modbus RTU (Remote Terminal Unit), serial (RS-232 or RS-485) protocol or Modbus […]

Preferred Presents at 2021 ASPE

Lee Carnahan and Len Swihart will present at the 2021 ASPE Tech Symposium Two members of Preferred’s industry-leading team of product specialists have been selected to present at the 2021 ASPE (American Society of Plumbing Engineers) Tech Symposium, which will be held in San Diego in September. This conference is focused on the plumbing industry, and it will […]