Preferred Instruments

JC-30D Opacity Monitor: New and Improved!

With the NEW and improved Opacity Monitor model JC-30D with Automatic Calibration, LED light source, and light detector, no onsite operator is required to calibrate the system. When the system receives a signal from the burner fan, it auto calibrates opacity by itself, compensating for dirty lenses. Auto-Calibrate coupled with the new brighter LED light source allows the lenses to go without cleaning for up to […]

Linkage to Linkageless Retrofit Solution: less time & waste, more savings & control

Preferred is bringing something BIG to the industry!  Tired of fuel and electric waste? Want a more reliable system that also meets strict emissions standards? You know you need to upgrade, but the installation time and expense of a modern linkageless control system often just isn’t plausible…Until now. Preferred’s new flexible solution dramatically cuts the cost and time […]

The PCC-IV: a NEW Generation of Quality

The PCC-IV loop controller is the next generation of Preferred’s loop controllers AND upgraded technology for the entire industry. The PCC-IV is more flexible, has extensive memory, and not only replaces the Preferred PCC-III, but also can replace the Siemens Moore 352 and 353, obsolete and no longer supported starting October 2017. Preferred Utilities’s controls are just that- […]

Preferred Utilities Performs Energy Retrofit on Pharmaceutical Boiler in Puerto Rico

In conjunction with Puerto Rico representative M.R. Franceschini Inc., Preferred recently replaced an existing flame safeguard and oxygen trim system with the Preferred BurnerMate Universal (BMU) system on a 500 HP boiler at a pharmaceutical plant outside of San Juan. In addition to oxygen trim, the BMU is controlling the forced draft fan variable speed drive (VSD), and […]

What is SCADA?

SCADA stands for Supervisory Control and Data Acquisition system. It is a type of industrial control system (ICS), which is basically a computer system designed to monitor industrial processes in the real world. But unlike other industrial control systems, SCADA systems can compute multiple sets of data over long distances. The primary benefit of a SCADA system is the ability to see a visual representation of […]

Draft Controls: Then and Now [Article]

By David Eoff Danbury, CT – In 1964, Preferred Instruments published an article in the Fuel Oil & Oil Heat magazine. During that time, draft controls were used primarily to control excess draft from tall chimneys and lower excess air to conserve fuel. (Heating oil was 25¢ a gallon in 1964!) Additional benefits included more reliable burner performance, reduced burner emissions, and increased […]

Preferred Showcases New API-AF Burner and more at 2014 AHR EXPO

When thousands of exhibitors and visitors descended on New York City for the 2014 AHR Expo, many of them weren’t prepared for the sudden snow storm that blanketed the streets of downtown Manhattan.  Preferred Utilities, however, came well prepared–and stirred quite a buzz by bringing several big items to the big apple. Preferred Utilities debuted its new Advanced Performance […]