Silent Knight (a Honeywell company) specializes in cost-effective, feature-rich fire alarm systems designed for small to mid-size commercial applications. The Farenhyt series — including the IFP-1000, IFP-2100, and IFP-300 — along with the legacy 5820XL and 5808 panels, are installed in thousands of buildings across North America. When these systems need service, finding the right Silent Knight fire alarm replacement parts quickly keeps your building protected and your customers satisfied.
We stock over 530 Silent Knight parts, including IDP-series detectors, replacement boards, pull stations, and accessories.
Silent Knight Systems We Support
| Panel / System | Protocol | Common Replacement Parts |
|---|---|---|
| IFP-1000 (Farenhyt) | IDP / Hochiki | Replacement boards, IDP detectors, modules |
| IFP-2100 (Farenhyt) | IDP / Hochiki | Loop cards, power supplies, annunciators |
| 5820XL | IDP / Hochiki | Replacement boards, detectors, pull stations |
| 5808 | Conventional | Zone boards, power supplies, horns |
| SK-5860 | Annunciator | Remote annunciators, keypads |
Common Silent Knight Replacement Parts
IDP-Series Detectors
Silent Knight’s addressable systems use IDP-series detectors manufactured by Hochiki. The IDP-PHOTO (photoelectric), IDP-HEAT (thermal), and IDP-PHOTO-IV (ivory) are the most commonly replaced. The IDP-ISO isolator module is also frequently needed.
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Replacement Boards
Panel board failures are the most common reason for Silent Knight service calls. We carry replacement boards for the IFP-1000, 5820XL, 5808, and other models. These boards come pre-programmed or ready for field programming.
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Pull Stations & Manual Devices
The PS-SATK addressable pull station and PS-SATK-WP weatherproof variant are standard across Silent Knight installations.
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Annunciators & Accessories
The SK-5860 remote annunciator and various cable bundles, keys, and mounting accessories round out the Silent Knight product line.
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Silent Knight & Hochiki Compatibility
Silent Knight addressable panels use Hochiki protocol for their detection loop. This means Hochiki detectors and modules are directly compatible with Silent Knight panels. When searching for parts, check both “Silent Knight” and “Hochiki” listings for the widest selection and best pricing.
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Questions? Call 1-844-839-6844.