GS846A Plug-In Carbon Monoxide Detector with Battery Backup
About GS846A
- Just Plug in to Use: Turn the plug 90 degrees outward and plug the device into a 120V outlet.
- Designed for the Home: Intended for ordinary indoor living areas of the home, plugged into a standard 120V wall outlet.
- Intuitive Color Alert: Easy-to-understand breathing light color: green - "POWER"，yellow - "FAULT"，red - "ALARM".
- Fast & Accurate CO Detection: advanced electrochemical sensor detects carbon monoxide levels accurately before the danger occurs.
- Sleep-Friendly Features:Gentle light design and one-touch silence function ensure your sleep won't be disturbed.
- Replaceable Backup Battery: Battery backup provides protection during a power outage or even severe weather conditions.
- Loud as Car Alarm: Device emits an 85dB alarm (car alarm ≈ 90 DB） loud enough to warn people evacuate in time.
- Also sold as the A4602A-7: GS846A and A4602A-7 are two names for the same plug-in carbon monoxide alarm.
GS846A
Electrochemical
10 Years
AC120V / 60Hz & DC 3V
Max current 60mA
DC 3V
1*CR123A Li_Batteries
10 Years (CR123A backup, under AC power)
HUIDERUI CR123A
85dB at 10ft
CO Alarm Silence: approx 5 minutes
Low Battery Silence: approx 10 hours
Fault silence：approx 10 hours
POWER: GREEN LED
FAULT: YELLOW LED
ALARM: RED LED
30PPM: Without alarm before 30 days
70PPM: Alarm between 60 to 240 minutes
150PPM: Alarm between 10 to 50 minutes
400PPM: Alarm between 4 to 15 minutes
40˚F (4.4˚C) to 100˚F (37.8˚C)
25-95%RH (non-condensing)
Flame-Retardant ABS+PC
UL94-5VA
IP30, UL2034
120mm x 70mm x 42mm
153g (with battery)
3 years (limited) warranty
Siterwell 10-Year Lifespan Plug-in Portable CO Detector
Siterwell CO Alarm Setup & Safety guide
Frequently asked questions
How do I install the GS846A?
How do I install the GS846A?
Turn the integrated plug 90 degrees outward, then plug the unit into a standard 120V AC wall outlet. Choose an outlet near the sleeping area or a fuel-burning appliance, following the placement rules in the manual. Do not use an extension cord or a switched outlet.
Does the GS846A work during a power outage?
Does the GS846A work during a power outage?
The GS846A runs on 120V AC and has a CR123A lithium backup battery. The backup provides standby power during an outage; the manual lists a 10-year battery life under continuous AC power. Test the unit regularly and replace the battery with the specified type.
Does the GS846A detect natural gas or propane?
Does the GS846A detect natural gas or propane?
No. It detects carbon monoxide only; it does not detect natural gas, propane or smoke. CO and natural gas are different hazards that require different sensors. If you need a natural-gas alarm, use a dedicated gas detector; for fire, use a smoke alarm.
Where should I plug in the GS846A?
Where should I plug in the GS846A?
Use a standard indoor outlet near the sleeping area or a fuel-burning appliance, following the manual’s placement rules. Do not install it in an RV or boat, and do not use it outdoors.
What does the alarm pattern mean?
What does the alarm pattern mean?
A CO alarm is four short beeps followed by five seconds of silence, repeating. If it sounds, move everyone to fresh air and call 911. Press TEST/SILENCE once to silence the alarm for about 5 minutes; do not ignore a real alarm.
How do I test the GS846A?
How do I test the GS846A?
Press and hold TEST/SILENCE to run the test; the manual recommends testing weekly. You should hear the alarm pattern and see the red LED flash. The green LED indicates AC power; yellow indicates a fault or low battery.
What do the lights mean on the GS846A?
What do the lights mean on the GS846A?
Green means the unit has AC power. Yellow means a fault or low battery; if it stays yellow, replace the battery or the alarm. Red flashes with the alarm pattern when CO is detected. Check the manual’s indicator table for the exact flash cadence.
What should I do if the GS846A alarms?
What should I do if the GS846A alarms?
Move everyone outdoors to fresh air and call 911 from outside. Do a head count, and do not re- enter until emergency responders say it is safe. Do not stay inside to search for the source. Tell the dispatcher if anyone has headache, dizziness, nausea or confusion.
What CO levels does the GS846A alarm at?
What CO levels does the GS846A alarm at?
The manual lists 30 ppm with no alarm within 30 days, 70 ppm within 60–240 minutes, 150 ppm within 10–50 minutes, and 400 ppm within 4–15 minutes. The unit has not been investigated for CO detection below 70 ppm.
Can I use the GS846A in an RV or boat?
Can I use the GS846A 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.
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