PurpleAir Recalls Power Supply Units for Air Sensors Due to Fire and Burn Hazards
U.S. Consumer Product Safety Commission recall (2019-02-14). Hazards: fire, burn. Models: RKPO-UL052000C. About 4,200 units in the US and 172 in Canada.
| Agency | U.S. Consumer Product Safety Commission |
|---|---|
| Recall number | 19064 |
| Published | 2019-02-14 |
| Last updated | 2019-02-14 |
| Products | PowerStream Power Supply Units for Air Sensors |
| Firm named in the title | PurpleAir |
| Firms | HK Anenerge Co., Ltd, of Guangdong Province, China (manufacturer); PowerStream Technology, of Orem, Utah (importer) |
| Manufactured in | China |
| Units (US) | 4,200 |
| Units (Canada) | 172 |
| Model numbers | RKPO-UL052000C |
| Hazard classes | fire, burn |
| Remedy classes | replace, stop use |
| Sold | Online at www.purpleair.com and as free giveaways in communities from October 2017 to August 2018 for about $230 to $260. |
Description
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.
Hazard
The power supplies can overheat, posing fire and burn hazards.
Remedy
Consumers should immediately stop using the recalled power supplies and contact PurpleAir for instructions on how to obtain a replacement power supply.
Incidents and 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.
Machine access
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Source: U.S. Consumer Product Safety Commission recall notice (US Government work). Not affiliated with or endorsed by CPSC. Structured by Data Foundry (product-recall-structuring@2); last changed 2026-09-28. Always confirm with the agency notice.