CPSC warns: Stop using KH158 “4‑in‑1” plug‑in natural gas & carbon monoxide detector
The U.S. Consumer Product Safety Commission says KH158 “4‑in‑1” plug‑in detectors can fail to alert to deadly carbon monoxide. Dispose of these units immediately and replace them with a UL 2034‑compliant CO detector.
The U.S. Consumer Product Safety Commission (CPSC) urges consumers to stop using the KH158 “4‑in‑1” Plug‑In Natural Gas & Carbon Monoxide Detector after receiving 91 reports of the units failing during gas or CO leaks. The manufacturer has not agreed to a recall; owners are advised to dispose of the device and replace it with a working CO detector that meets the UL 2034 safety standard. Units were sold online from June 2024 through July 2026 on Amazon, eBay, AliExpress, microcenter.com and snapklik.com; report unsafe products at www.SaferProducts.gov and read the full CPSC warning on cpsc.gov.