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Fuel/Air Ratio System

Unique and cost effective solutions for improved control of combustion with greater accuracy.

R7999

R7999

The R7999 ControLinks™ controls ML7999 Actuators to controls Fuel and Air supply to a burner to maintain optimum combustion throughout its firing rate curve.

ML7999A

ML7999A

Honeywell ML7999A actuator, part of the ControLinks™ Fuel Air Control System, provides 100 lb-in. torque, pulse-width-modulating control of combustion air dampers, butterfly gas valves, oil modulation valves and flue gas recirculation.

ML7999C

ML7999C

ML7999C Universal Parallel-Positioning Actuator provides 100 lb-in. torque, pulse-width-modulating (PWM) control of combustion air dampers, butterfly gas valves, oil modulation valves, and flue gas recirculation systems.

Q7999

Q7999

Provides terminals for field wiring for the R7999A ControLinks™ Fuel Air Controller. Terminals on the R7999A,B Controller engage the Q7999 contacts to make electrical connections. The Q7999A Subbase is panel-mounted.