Uses Burners-In-Series for maximum heat coverage and increased efficiency versus unitary heaters. Fully-engineered design and layout options with each application receiving a customized infrared heating system. Wide range of BTU options; can be designed as a condensing system for added efficiency. Optional Co Ray Vac Heating Control can run up to 2 pumps and 4 Zones from 1 Central Panel. Onboard touchscreen display or adjustments via Smart Device, PC, or by linking in BMS systems.