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CPSC recall,

Hayward Universal Pool Heaters

Universal pool heaters can produce high levels of carbon monoxide, posing a risk of serious injury or death.

Summary by Recall Canary from the CPSC notice

What happened

Hayward Industries, Inc. is recalling about 4,600 Hayward-branded HDFS400 Universal-HC Series pool heaters. During operation, the heaters can produce high levels of carbon monoxide (CO), posing a risk of serious injury or death from carbon monoxide poisoning. No incidents have been reported. The recall was announced by the U.S. Consumer Product Safety Commission on September 17, 2026.

The recalled 400,000 BTU dual-fuel gas heaters are brown with black atop, measure 21 inches long, 28 inches wide and 31 inches high, and 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 and the model number “HDFS400” at the top.

The heaters were sold at pool equipment distributors, builders and service professionals nationwide from March 2026 through July 2026 for about $5,600. They were made in the United States.

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.

More carbon monoxide hazard recalls

What to do

If yours is listed below:

  1. Stop using the pool heater immediately.
  2. Contact Hayward Industries to schedule a free in-home inspection and repair by a qualified technician.

What you get Repair

Call Hayward Industries 855-500-5288

Full text from CPSC

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.

Is yours affected?

Compare these details with your product, then check the CPSC notice for which ones are recalled.

  1. HDFS400 Universal-HC Series pool heaters

    Model number
    • HDFS400

  2. 400,000 BTU Universal-HC Series Pool Heaters

    Made in
    United States
    Codes
    Not listed here. See the CPSC notice.

Product description from CPSC

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.

Recall details

Recalled
Sold in

Sold At: Pool equipment distributors, builders and service professionals nationwide from March 2026 through July 2026 for about $5,600.

Company
Hayward Industries, Inc.
Hazard
Carbon monoxide hazard
Recall number
26-777
Units affected
About 4,600
Reported incidents
None reported.
Contact
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.
Made in
United States

Timeline

  1. Announced by CPSC · Listed on Recall Canary

  2. Summary updated

Press release

Summary by Recall Canary, written with AI · summary updated Oct 2, 2026 · primary source: U.S. Consumer Product Safety Commission (opens in a new tab)