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Available on request

Honeywell – FCO-851 IntelliQuad™ PLUS Advanced Fire and Carbon Monoxide Detector

MPN: FCO-851 · Brand: Honeywell

Price on request

Discontinued by Honeywell — we can still source the original FCO-851 (new, used or refurbished, subject to availability). Request a quote below.

Request a Quote

12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Honeywell Building Sensors & Detectors
Lifecycle	Discontinued
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

Can I still buy the FCO-851 now that it is discontinued?

Yes. Honeywell has discontinued the FCO-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 FCO-851 be shipped?

FCO-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 FCO-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 FCO-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 FCO-851, subject to availability and destination.

IntelliQuad™ PLUS advanced fire and carbon monoxide detectors are multi-criteria, plug-in, addressable devices that provide both fire and carbon monoxide (CO) detection. CO is a colorless, odorless, and deadly gas that is virtually impossible to detect with the human senses. It is released whenever carbon-based fuels (from fossil fuels to firewood) burn without enough oxygen to form CO2. Because the potential exists for dangerous levels of CO to accumulate in almost any building, legislation mandating the use of CO detection in commercial spaces continues to increase across the U.S. and Canada. IntelliQuad PLUS advanced fire and carbon monoxide detectors are designed to the UL 268 standard for smoke detectors and the UL 2075 standard for system-connected life safety carbon monoxide monitoring. Features & Benefits:

Unique ability to detect all four major elements of a fire

Separate CO detection signal

Highest nuisance alarm immunity

Automatic drift compensation of smoke sensor and CO cell

Uses only one address on the SLC

RealTest® CO testing capability

Separates audible signal for fire or CO alarm when used with the B200S base (B200SCOA in Canada)

CO cell end-of-life warning and fault

FlashScan® operationCertifications:

UL: S1115 (FCO-851)

CSFM: 7275-0028:0264

Honeywell NOTIFIER, System Sensor FCO-851 — IntelliQuad™ PLUS advanced fire and carbon monoxide detectors are multi-criteria, plug-in, addressable devices that provide both fire and carbon monoxide (CO) detection. 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.