Technical guides
Practical, standards-referenced reference notes for the trade: battery selection, panel documentation and fault-finding pointers for fire-detection equipment. Written for competent engineers and purchasers, not for browsing.
Which Gent fire alarm interface do I need?
Which Gent fire alarm interface for an AOV, lift, damper, plant or ARC: count the circuits, check the rating, sector the outputs, and add a zone or Zener barrier when needed.
Updated 12 September 2026Gent Xenex panel battery replacement (13270-02LB / 13270-04LB / 13270-08LB)
Which Power-Sonic replacement battery fits each Gent Xenex 13270 conventional panel (2, 4 and 8-zone), with trade selection notes and safe-changeover pointers.
Updated 21 July 2026SMS and SenTRI parts, and the Gent equivalents
Cross-reference for SMS and SenTRI fire-system owners, finding the Gent replacement part for every SenTRI component we supply.
Reference