Computers for use in controlling and monitoring oxygen and carbon monoxide levels and for monitoring and controlling furnace safety systems; furnace safety systems comprising software and hardware for viewing alarm status and monitoring electrical controls and automatically shutting down the furnace if unsafe conditions occur

Computers for use in controlling and monitoring oxygen and carbon monoxide levels and for monitoring and controlling furnace safety systems; furnace safety systems comprising software and hardware for viewing alarm status and monitoring electrical controls and automatically shutting down the furnace if unsafe conditions occur