Safety. Low maintenance. Reduce operating costs. Best results 1 We offer high-quality burner management systems to help enhance process performance and increase worker safety, with less maintenance producing the best results. Combustion Safety Controller ACL CSC 400 ACL 5100 Combustion Safety Controller ACL CSC 200 Combustion Safety Controller ACL TC200 Temperature Controller ACL 5500 Combustion Safety Controller ACL Low N High Efficiency Combustion Burner Assembly (Patented) ACL 2000 Flame Fail Ignition System