AJ-989CG Natural Gas & Carbon Monoxide Combo Detector

Natural Gas and Co Combo Detector
Gas detectors and alarms
Natural Gas/CH4/methane/CarbonMonoxide(CO)
Battery Life:10 years
Product Life:10 years
Conform to:UL1484 UL2034 certifications

This product supports bulk ordering and can be shipped to various countries around the world. Wholesale sales agents are welcome.

The AJ-989CG is a standalone 2-in-1 residential gas alarm engineered to detect
natural gas (CH₄ / methane) and carbon monoxide (CO) simultaneously.
Built around a Japanese-grade MEMS thermoelectric semiconductor sensor for combustible gas and a
high-stability electrochemical cell for CO, it provides continuous protection for a full
10-year service life with a non-replaceable sealed 3V lithium battery pack — no
battery swaps, no forgotten maintenance.

Why AJ-989CG

Dual-gas coverage in one device — methane leaks from stoves/boilers and the “silent killer” CO from incomplete combustion, both monitored 24/7.
10-year sealed power — 3× non-replaceable 3V lithium cells, matched to 10-year product life; eliminates mid-life battery failure risk.
Industrial-grade sensing — MEMS thermoelectric semiconductor (CH₄) + electrochemical (CO), the same proven architecture used across the ANKA AJ-989 series.
Loud, clear alarm — >85 dB at 3 m, audible buzzer plus LED status indicator; monthly self-test button.
Fire-safe housing — ABS V-0 flame-retardant shell, 108 × 88 × 40 mm, wire-free wall mount.

Key Specifications

Item	Specification
Detected gases	Detected Gases: Natural Gas / CH₄ / Methane + Carbon Monoxide (CO)
Sensors	MEMS thermoelectric semiconductor (CH₄) + Electrochemical (CO)
Power	Non-replaceable 3V lithium battery ×3 (sealed pack)
Battery life	10 years
Product life	10 years
Alarm threshold	CH₄: 10% LEL
Alarm sound	>85 dB @ 3 m
Self-test	Monthly test button
Housing	ABS, V-0 fireproof
Dimensions	108 × 88 × 40 mm (4.25 × 3.46 × 1.57 in)
Status indication	LED + buzzer

Where to Install

Kitchens, utility rooms, basements, garages, boiler rooms, rental apartments, dormitories, and offices with gas appliances.

B2B & OEM Service

Supports OEM logo, custom retail box, and multilingual manuals (EN / DE / FR / ES / IT).
Bulk orders & worldwide shipping; wholesale agents welcome.
Optional certificates on request: EN50291-1 (CO), EN50194 (CH₄), CE RED, UKCA, ETL / cETL (UL1484 + UL2034) for North America.

Get a Free Quote: Contact our online support for factory pricing, MOQ, and sample lead time.

AJ-989CG Natural Gas & Carbon Monoxide Combo Detector