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 Fiery EP100F Selectable TFI Non-Recycle, Selectable Purge EP Programmer Module (French) Read more Fiery EDC2 Automatic Flame Amplifier Read more Fiery EDC1 Flame Amplifier Read more Fireye EP166 10 & 15 Sec. TFI Non-Recycle, Selectable Purge EP Programmer Module with Pilot Stabilization