Honeywell – FST-851 Intelligent Sealed Thermal (Heat) Detectors
Discontinued by Honeywell — we can still source the original FST-851 (new, used or refurbished, subject to availability). Request a quote below.
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Quick facts
| Availability | Confirmed on request |
| Category | Honeywell Fire Detectors & Manual Call Points |
| Lifecycle | Discontinued |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
Can I still buy the FST-851 now that it is discontinued?
Yes. Honeywell has discontinued the FST-851, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.
When can FST-851 be shipped?
FST-851 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up FST-851 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for FST-851 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for FST-851, subject to availability and destination.
Notifier FST-851-WP and FST-851R-WP series Intelligent FlashScan Heat sensors utilize state-of-the-art thermistor sensing circuit for fast response. All heat detectors should be spaced and installed in accordance with the requirements of the relevant authority having jurisdiction and AS 7240.5:2018. This detector is sealed against the entry of moisture to a rating of IP66. The LED will latch on when the detector is in alarm. The detector address should be set by handheld programmer (model CP500) from 1 to 159 before installing (please check Fire Panel maximum loop capacity before setting address higher than 99). Model FST-851R-WP is a Type A2R rate-of-rise temperature sensor with 63°C fixed temperature alarm setting. Model FST-851-WP is a Type A2 fixed temperature heat sensor with 63°C fixed temperature alarm setting. Two LEDs illuminate red to provide 360°visibility of the sensor alarm indication. The LEDs can be latched on by code command from the Fire Panel for an alarm indication. The LEDs can also be unlatched to the normal condition by code command.
Features & Benefits:
IP67 rating.
Dual LED’s for 360˚ visibility
Fitted with flying leads.
Easy mount base.
Sleek, low-profile design.
Flashscan Addressable Communication.
Stable communication technique with noise immunity.
Low standby current.
Fitted with tamper resistant feature.;
Base may be surface mounted or to a 50mm or 60mm junction box.
Remote test feature from the panel.;
Optional relay, isolator, and sounder bases.
Certifications:
Approved to AS 7240:5-2018
Listed by SAI Global Certificate No: SMKH25312
Honeywell NOTIFIER FST-851 — FST-851 Series Intelligent Plug-in Thermal Detectors by Notifier with integral communication has features that surpass conventional detectors. Discontinued by Honeywell — no longer in the current range. PartnerPLC sources new, surplus and discontinued Honeywell parts — request a quote for price, condition and lead time.
Specifications
Product
| Lifecycle | Discontinued by Honeywell |
| Brand line | NOTIFIER |
Others
| Brand | NOTIFIER |
Ordering codes
| Part numbers on this product page | FST-851, FST-851-CH, FST-851-W-CH, FST-851-WP, FST-851., FST-851/W, FST-851A, FST-851AUS-IV, FST-851AUS-W, FST-851H, FST-851H-CH, FST-851HA, FST-851HAUS-IV, FST-851HAUS-W, FST-851R, FST-851R-CH, FST-851R-WP, FST-851R., FST-851R/W, FST-851RA, FST-851RAUS-IV, FST-851RAUS-W, FST/851R |
More Honeywell parts
Available on requestFST/951H FST-951 Intelli Thermal Detector