# Hayward Industries Recalls Universal Pool Heaters Due to Risk of Serious Injury or Death from Carbon Monoxide Poisoning Hazard.

**Recall Severity Score:** 40/100

| Field | Value |
|---|---|
| Firm | Hayward Industries |
| Product | 400,000 BTU Universal-HC Series Pool Heaters |
| Recall number | 26777 |
| Recall date | 2026-09-17 |
| Units | About 4,600 |
| Hazard | During operation, the heaters can produce high levels of carbon monoxide (CO), posing a risk of serious injury or death from carbon monoxide poisoning. |
| Injuries reported | None reported. |
| Remedy | Repair |
| Manufactured in | United States |
| Sold at | Pool equipment distributors, builders and service professionals nationwide from March 2026 through July 2026 for about $5,600. |
| Description | This recall involves Hayward-branded HDFS400 Universal-HC Series pool heaters. The 400,000 BTU dual-fuel gas heaters are brown with black atop and measure 21 inches long, 28 inches wide and 31 inches high. The pool heaters have a digital display control panel at the top and a molded base with integrated tie-down connections. The heater's name plate is below the vent with the word "Hayward" appearing at the bottom of the name plate and the model number "HDFS400" appears at the top of the name plate. |

## Why this score
- Recognized injury hazard.
- About 4,600 units.

Source: U.S. Consumer Product Safety Commission (CPSC) Recalls API (https://cpsc.gov/Recalls/2026/Hayward-Industries-Recalls-Universal-Pool-Heaters-Due-to-Risk-of-Serious-Injury-or-Death-from-Carbon-Monoxide-Poisoning-Hazard-0). Last refreshed: 2026-11-04T18:12:00.306Z.
Recall data comes from the CPSC and is summarized automatically; read the official notice before acting. Informational only; not legal advice.