Product Information

New E-Gen Products: Direct Fill Tank & GenSet Controllers

Preferred is introducing our Model 226-FV Direct Fill Tank Controller to the fuel oil emergency generator market, developed to safely, efficiently, and inexpensively meet the minimum required overfill prevention features required by NFPA 30 and most fire marshals. Housed in a rugged NEMA 4 enclosure suitable for mounting outdoors, the Model 226-FV Direct-Fill Tank Controller can provide over-fill and […]

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.  The FlexFit controller brings linkageless 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 […]

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 […]

Draft Controls Are Still a Critical Part of Modern Boiler Operation

New updates to our draft controllers, including the popular JC-22 model, make it an even more effective solution. Draft controls have long been an important component in boiler systems to help control negative pressure. Even though modern forced draft boilers are usually airtight, they still often need draft controls to help stabilize burners using flue gas recirculation for […]

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 […]

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 […]