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Fuel/Air Ratio System

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.

R7999C

R7999C

The R7999C, with one communications port, provides communications capabilities similar to those found in the 7800 SERIES controls.

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.