VST Tankless Water Heaters - Carbon Monoxide Hazard (2025)
A cracked exhaust duct can allow carbon monoxide to escape, posing a potentially fatal poisoning risk.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the U.S. Consumer Product Safety Commission (CPSC)
Product
VST gas-fired tankless water heaters
Lot Codes / Batch Numbers
Not specified in CPSC notice. Check official source for details.
Product Images
Source: U.S. Consumer Product Safety Commission
A manufacturer is recalling VST gas-fired tankless water heaters. The hazard is: The exhaust duct can crack, allowing gases to escape inside of the home, posing a carbon monoxide (C. Based on CPSC recall notice.
Summary derived from CPSC notice
The following details were not provided by CPSC: UPC codes.
Reason for Recall
As stated by CPSC
This recall involves VST-brand residential wall-mounted gas boilers, Series VT, VR, and VR Plus, with model numbers VRS-150, VRS-199, VRP-150, VRP-199, VRS Plus-150, VRS Plus-199, VRP Plus-150, VRP Plus-199, VTS-150, VTS-199, VTP-150, and VTP-199. The white label on the side of the boiler has the model number bolded, near the top of the label. The boilers are metal, rectangular units and have either VST printed in white on the control panel near the bottom, or VESTA.DS.Inc. printed in gray near the top of the panel.
Reported concern (CPSC)
The exhaust duct can crack, allowing gases to escape inside of the home, posing a carbon monoxide (CO) poisoning hazard that can result in death or serious injury.
Recommended Action
Per CPSC guidance
Consumers should immediately stop using the recalled water heater and contact VESTA.DS to have a certified technician install the free repair. Consumers who must continue using the water heater while awaiting repair should have working smoke and carbon monoxide alarms in their homes.
Verify this information on the official source
For complete details and official instructions, check the U.S. Consumer Product Safety Commission (CPSC) directly.
View official CPSC recall noticePage updated: Feb 22, 2026