Is this trigger board compatible with other FCU-based HPA systems?
Backdraft Innovations PHOENIX V3 Trigger Board | Polarstar Compatible
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Open Apr 12, 2026 - 09:38 AM
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Answer
Apr 12, 2026 - 09:38 AM
Yes, the phoenix v3 trigger board is compatible with other FCU-based HPA systems that use a V3 gearbox. An FCU controls the firing modes and timing of HPA engines, so broad compatibility increases the board’s usefulness across different builds.
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