Description
The Honeywell EC7820 is a microprocessor-based integrated burner control for automatically fired gas, oil, or combination fuel single burner atmospheric with fan (EC7820A) applications. The EC7820 Relay Module system consists of a relay module, wiring subbase, amplifier, and purge card. Options include: keyboard display module (KDM), Data ControlBus Module™, remote display mounting and Modbus™ Module.