Viessmann 7839612 Ignition Module B2XX/CU3A

Viessmann 7839612 Ignition Module B2XX/CU3A is an electronic control part that is installed in compatible boilers and heating HVAC systems to control the burner sequence. It also supplies the ignition electrode with controlled spark timing, the flame presence with flame sensor input, and status or fault codes to the main control board. This module is installed in the burner control compartment, and it coordinates combustion operations. The system provides adequate sequenced ignition and flame monitoring in the normal heating cycles.