PurpleAir Recalls Power Supply Units for Air Sensors Due to Fire and Burn Hazards
Recalled 2019-02-14. Fire and burn hazard. Here is what the CPSC published, and what you are owed.
About 4,200 sold in the...Units
2019-02-14Recall date
YesInjuries
The text below is quoted from the CPSC notice word for word.
- What was recalled
- This recall involves power supply units sold with PurpleAir PA-II and PA-II- SD air quality sensors with model number RKPO-UL052000C. The model number is located on the bottom side of the power adapter. The power adapters are black with a white label. They measure 4 inches long (including the mounting tabs) by 1-7/8 inches wide by 1-3/8 inches high. The air quality sensors are used outdoors by consumers to monitor air quality.
- The hazard
- The power supplies can overheat, posing fire and burn hazards.
- Injuries
- PurpleAir has received 27 reports of the recalled power supplies emitting sparks and/or smoke of which 18 are reports of property damage, including one report of a small apartment fire. No injuries have been reported.
- The remedy
- Consumers should immediately stop using the recalled power supplies and contact PurpleAir for instructions on how to obtain a replacement power supply.
The details
What a recall entitles you to
A refund, a repair or a replacement. The notice says which. It costs you
nothing and there is usually no receipt requirement.
Stop using the product first. Recalls do not expire. An old one still counts.
The full CPSC notice, including photographs, is at cpsc.gov.
Source: CPSC SaferProducts recall feed, retrieved 2026-08-06. Newest recall on file 2026-07-30.
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