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

Recall date: Sept. 17, 2026.

Built by the Tribune's code from CPSC's official records. No AI wrote this page. Updated Nov. 5, 2026.

What's recalled

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.

The risk

During operation, the heaters can produce high levels of carbon monoxide (CO), posing a risk of serious injury or death from carbon monoxide poisoning. None reported.

Who's affected

Units: About 4,600, according to CPSC. Sold at: Pool equipment distributors, builders and service professionals nationwide from March 2026 through July 2026 for about $5,600.

Compared with

Hayward Industries has 1 CPSC recall in 2026 so far, compared with 0 in all of 2025.

Counted by the Tribune from CPSC's records since Nov. 1, 2016.

Before this

1 earlier CPSC recall by Hayward Industries since Nov. 1, 2016:

Counted by the Tribune from CPSC's records since Nov. 1, 2016.

What to do and when

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.

CPSC's notice, word for word

Contact, as CPSC's notice gives it: 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.

Check it yourself
CPSC recall number26777
Recall dateSept. 17, 2026
CompanyHayward Industries
Products400,000 BTU Universal-HC Series Pool Heaters
Product typeWater Heaters, Not Specified
Remedy offeredRepair
Manufactured inUnited States

Source: U.S. Consumer Product Safety Commission recall records (public domain). CPSC's notice