Hochiki is a global fire detection manufacturer headquartered in Japan, known for engineering high-quality detectors and notification devices. In North America, Hochiki products are found both under the Hochiki brand and as OEM components inside Silent Knight and other Honeywell-family panels. The FireNET intelligent fire alarm panel and the Ekho wireless detection system represent Hochiki’s own panel offerings, while their detectors are used across multiple third-party systems. Finding Hochiki fire alarm replacement parts is essential for maintaining these reliable but specialized systems.
We stock nearly 200 Hochiki parts, including photoelectric and ionization detectors, sounder bases, relay modules, and FireNET panel components.
Hochiki Systems & Compatibility
| System / Application | Protocol | Common Replacement Parts |
|---|---|---|
| Hochiki FireNET (FNP-1127) | Hochiki ESP | ALG/ALN detectors, CHQ modules, FNP boards |
| Hochiki Ekho (Wireless) | Wireless Mesh | Wireless detectors, gateways, sounders |
| Silent Knight IFP/5820XL | Hochiki Protocol | IDP-PHOTO, IDP-HEAT, DCP modules |
| Conventional Systems | 2-wire/4-wire | SOE-24V, SIJ-24, B6-24 bells |
Common Hochiki Replacement Parts
Intelligent Detectors
Hochiki’s addressable detectors include the ALG-EN (photoelectric), ATJ-EN (heat), and ACA-EN (multi-criteria) for ESP protocol systems. For Silent Knight-compatible systems, the IDP-PHOTO and IDP-HEAT detectors are the standard choices.
Conventional Detectors
The SOE-24V conventional photoelectric detector and SIJ-24 ionization detector are reliable, cost-effective options for conventional fire alarm systems.
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Modules & Interface Devices
The DCP-R2M dual relay module and CHQ-MRC2 mains relay controller are commonly used for system integration. Hochiki also manufactures isolator modules and loop-powered sounders.
Notification Devices & Sounder Bases
Hochiki’s HES3 series multi-candela strobes and HEC3 horn/strobes provide ADA-compliant notification. The B6-24 fire alarm bell remains a popular conventional notification device. Sounder bases that integrate with Hochiki detectors add audible alert capability without additional wiring.
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FireNET Panel Components
The FNP-1127 FireNET Plus panel and its accessories — including loop cards, network modules, and display boards — are available for system maintenance and expansion.
Hochiki & Silent Knight Cross-Compatibility
Because Silent Knight panels use Hochiki’s communication protocol, many Hochiki detectors and modules work directly in Silent Knight systems. If you maintain Silent Knight panels, browsing our Hochiki inventory may reveal additional compatible options at competitive prices.
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Need help finding a Hochiki part? Call 1-844-839-6844.