GS886A-3RFDT Wireless Interconnected Smoke & CO Detector
About GS886A-3RFDT
- Sealed Lithium Battery:Non-replaceable battery; replace the complete alarm every 10 years from the date code.
- Accurate Alarm:Multi-criteria optical sensing reduces false alarms by distinguishing non-fire smoke.
- 2-in-1 Protection:Dual sensors detect smoke and CO, with over 85 dB sound warning.
- Easy Installation:3.62-inch backplate fits most detectors, installs with a twist.
- One-Touch Mute for 10 hours:No more low-battery beeps—sleep soundly all night.
- Micro-mesh Design:Prevents insects and debris for more accurate alarms.
- Soft Lighting:Reduces direct light at night, ensuring no disturbances.
- Dual-language Voice Alerts:English and French options for multilingual households.
- Also sold as the A8612B-4R: GS886A-3RFDT and A8612B-4R are two names for the same wireless interconnected smoke and CO alarm.
GS886A-3RFDT
Built-in 3V lithium battery (non-replaceable)
915MHz
Minimum 100m Open Air
Up to 18 Alarms
Multi-Criteria Optical
>85dB(A) @ 3 meters
40°F (4.4°C) to 100°F (37.8°C)
10-95%RH (non-condensing)
Max. 40 m² within a room
About 6.1 inches wide and 1.7 inches tall
GS886A-3RFDT
Frequently asked questions
How does wireless interconnection work on the GS886A-3RFDT?
How does wireless interconnection work on the GS886A-3RFDT?
It uses a 915 MHz RF signal to link up to 18 compatible Siterwell alarms within at least 100 m in open air. When one unit detects smoke or CO, the linked units sound. Walls and floors reduce range, so test every alarm after pairing.
Does the GS886A-3RFDT require electrical wiring?
Does the GS886A-3RFDT require electrical wiring?
No. It is battery-powered by a sealed, non-replaceable CR17450 3V lithium battery. The manual says to replace the complete alarm every 10 years from the date code on the back. It requires no AC wiring, which makes it suitable for retrofits where running interconnect cable is impractical.
How do I pair multiple GS886A-3RFDT alarms?
How do I pair multiple GS886A-3RFDT alarms?
Put the first alarm into pairing mode, then pair each additional unit one at a time. The manual keeps pairing mode open for 5 minutes and allows one master alarm. After pairing, test the network by triggering each unit and confirming all linked alarms sound.
What voice alerts does the GS886A-3RFDT provide?
What voice alerts does the GS886A-3RFDT provide?
It provides English and French voice alerts. Smoke uses the “Fire!”/“Incendie!” message with a three-beep pattern; CO uses “Warning! Carbon Monoxide” with a four-beep pattern.
How long is the silence period?
How long is the silence period?
Smoke alarm silence is about 8 minutes; CO alarm silence is about 5 minutes. Dense smoke or a real CO condition overrides silence.
Can I use the GS886A-3RFDT in an RV or boat?
Can I use the GS886A-3RFDT in an RV or boat?
No. The manual states it is not designed for use in a recreational vehicle or boat. Use it only in ordinary indoor residential locations.
Do wireless interconnected alarms meet building code?
Do wireless interconnected alarms meet building code?
Not automatically. Some jurisdictions require hardwired or AC-powered interconnected alarms, and requirements vary by state and local code. Check with your local authority before relying on a wireless system for a code requirement.
Will cooking smoke set off the GS886A-3RFDT?
Will cooking smoke set off the GS886A-3RFDT?
It can. The optical smoke sensor responds to smoke particles, but frying or broiling smoke can still trigger it if the unit is too close to the kitchen. Keep it at least 6 feet from cooking appliances. Because the alarms are interconnected, a kitchen nuisance alarm may sound all linked units; press TEST/SILENCE on the initiating unit and ventilate.
What should I do if the GS886A-3RFDT alarms?
What should I do if the GS886A-3RFDT alarms?
Three long beeps and “Fire!” mean smoke; four quick beeps and “Warning! Carbon Monoxide” mean CO. For smoke, evacuate and call 911. For CO, move everyone outdoors and call 911 from outside; do not re-enter until responders say it is safe. All linked units may sound; identify the initiating unit only after responders clear the building.
What standards does the GS886A-3RFDT meet?
What standards does the GS886A-3RFDT meet?
The manual lists UL 217 and UL 2034 for the smoke and CO functions, and certifies to CAN/ULC S531-19 and CSA 6.19-17. Check the label and current manual for the exact editions.
What is the difference between the GS886A-3RFDT and GS886A-3WCAR?
What is the difference between the GS886A-3RFDT and GS886A-3WCAR?
The 3RFDT is battery-powered and wireless only. The 3WCAR is 120V AC hardwired with a 2×AA backup and supports both hardwired and wireless interconnection. Choose the 3RFDT for retrofits and the 3WCAR where AC wiring exists.
What does the warranty cover?
What does the warranty cover?
The manual states a 36-month limited warranty from the date of purchase. It covers material or production defects and excludes normal wear. Keep your receipt for any claim.
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