Fireye MB-685S SKU: 6b4c2aa9fd62 Category: Fireye Description Description The Fireye MB-685S Multi-Burner Control. Same as MB-600S except motherboard is MB-685M Related products Read more E1R2 Fireye FLAME AMPLIFIER Read more Fiery EP170 5 & 10 Sec. TFI Non-Recycle, 30 Sec. Purge EP Programmer Module with Early Spark Termination Read more Fireye EP166 10 & 15 Sec. TFI Non-Recycle, Selectable Purge EP Programmer Module with Pilot Stabilization Read more Fireye E211 Flame Monitor