Case Studies

Preferred’s Renewable Future: Renewable Fuel Tank Installation

Made in the U.S.A. Preferred has smart and long-term sustainable ways to reduce emissions and shift to, affordable, reliable, “real world” renewable fuels to power America. Preferred Utilities Manufacturing Corporation has just installed a new 10,000 gallon, double wall, above ground tank so we can continue burning Bio-Residual Oil or BRO-500 ♻️. Bio-Residual Oil is the product left […]

Is a Fuel System Controller the right choice for your critical applications?

The Fuel System Controller is a general-purpose programmable logic controller that is programmed with function block logic. A single FSC can be used to control a single device or process, or multiple FSCs can be networked together for coordinated distributed control of larger systems. Up to ten FSC nodes can be linked together using the redundant, masterless Preferred […]

FlexFit Linkageless Control for Boiler Control Retrofit

Made in the U.S.A. 🇺🇲 Combustion Controls Retrofits for better performance, energy efficiency, and monitoring. The FlexFit Linkageless Controller brings automatic control to your burner with an integrated flame safeguard system. This quick and easy retrofit solution increases savings, efficiency, and improves control in the boiler room. The FlexFit flame safeguard plugs directly into Fireye E110 and Honeywell RM7800L wiring bases, […]

Diesel Exhaust Fluid Systems: Reducing Emissions at Mission Critical sites

At Preferred, we are combining security and sustainable solutions at some of our highest security project sites, data centers and mission critical facilities, such as manufacturing centers. A global pharmaceutical manufacturing company bought generators and commissioned the Preferred staff of experienced and qualified engineers to design this Diesel Exhaust Fluid (DEF) system, pumping 300 gallons (of ammonia) per […]

Converting NEMA 4 Plant Wide Controllers to the Mutli-Node Fuel System Controller

Problem: Committed to the future of our technology in hospitals, nursing homes, data centers, schools, and airports, we are converting Preferred NEMA 4 Plant Wide Controllers’s (PWC) nearing end of life to Fuel System Controller (FSC) based controllers. Pictured are before (prior to shipment in 2015) and after of one of the units that was converted in this […]

FlexFit Retrofit – More savings, More efficiency

Made in the U.S.A., Preferred retrofits provide sustainable solutions for reducing energy costs with upgraded efficiencies. At this site in Queens, NY, one of our skilled field service engineers replaced an obsolete Honeywell RM7800 L flame safeguard/ ControLinks fuel-air combination with our FlexFit Linkageless Controller. The FlexFit controller brings linkageless control to your burner with an integrated flame safeguard […]