CPSC recall 26-777, announced September 17, 2026, covers Hayward Industries 400,000 BTU Universal-HC Series Pool Heaters (about 4,600 units). During operation, the heaters can produce high levels of carbon monoxide (CO), posing a risk of serious injury or death from carbon monoxide poisoning. The notice reports no incidents. Consumers should stop using the pool heater immediately and contact Hayward Industries to schedule a free in-home inspection and repair by a qualified technician. Recall contact: call 855-500-5288, go to www.hayward.com/productrecall, or email HeaterInquiry@Hayward.com.
Compare the model on your label, then check any serial numbers, date codes, and exclusions in the notice. A model match alone does not confirm that your unit is included.
Affected model numbers
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.
Which products are included?
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.
Confirm these details on the official CPSC noticeWhy it was recalled
During operation, the heaters can produce high levels of carbon monoxide (CO), posing a risk of serious injury or death from carbon monoxide poisoning.
Incidents and injuries
None reported.
Official remedy
Consumers should stop using the pool heater immediately and contact Hayward Industries to schedule a free in-home inspection and repair by a qualified technician.
Product and sales details
- Brand
- Hayward Industries
- Manufacturer
- Hayward Industries, Inc., of Charlotte, North Carolina
- Product type
- Water heaters
- Recall number
- 26-777
- Units
- About 4,600
- Manufactured in
- United States
- Sold at / sales period
- Sold At: Pool equipment distributors, builders and service professionals nationwide from March 2026 through July 2026 for about $5,600.
400,000 BTU Universal-HC Series Pool Heaters
CPSC product type: Water Heaters, Not Specified
Recall contact information
Hayward Industries toll-free at 855-500-5288 from 8 a.m. to 5 p.m. ET Monday through Friday, email at HeaterInquiry@Hayward.com, online at https://www.hayward.com/productrecall or https://www.hayward.com and click on "Recall Information" for more information.
Verify phone numbers, hours, and websites on the current CPSC notice before contacting the firm.
Know someone who has one?
Recalls only work when owners hear about them. Send this notice to family or friends who might own the same product.
