Webster Engineering announces the shipment of another low NOx (30ppm) burner firing on natural gas / LP gas. This 1800HP unit is equipped with linkage controls driven by a high torque Honeywell mod motor and the TEMP A TRIM air density control system. This version of the HDR-RF burner is equipped with a high swirl head for high turndown (10 to 1). Available options include linkageless controls, O2 trim, variable frequency drives, among others. For more information on Webster's HDRV-RF burners, go to http://www.webster-engineering.com/HDR-RF_Series.htm.