Hayward Universal-HC pool heaters recalled for carbon monoxide risk — product photo from the CPSC
Serious riskCPSC

Hayward Universal-HC pool heaters recalled for carbon monoxide risk

Hayward-branded HDFS400 Universal-HC Series pool heaters can produce dangerously high levels of carbon monoxide during operation, which may cause serious injury or death. About 4,600 of these 400,000 BTU dual-fuel heaters were sold between March and July 2026.

From the CPSC notice · Read the official notice ↗

What to do

  1. Stop using the heater immediately
  2. Contact Hayward Industries to schedule a free in-home inspection and repair
  3. Do not operate the heater until a qualified technician inspects it

Is yours affected?

Compare your label or packaging with the recalled product.

Product
400,000 BTU Universal-HC Series Pool Heaters
Sold at
Sold At: Pool equipment distributors, builders and service professionals nationwide from March 2026 through July 2026 for about $5,600.
Sold in
Nationwide
Made for
All ages

Photos from the CPSC

Location of Name Plate
Location of Name Plate
Recalled Hayward Universal-HC Series Pool Heater
Recalled Hayward Universal-HC Series Pool Heater

Details

Units affected
About 4,600
Injuries reported
None reported.
Illnesses reported
None reported
Fix
Repair
Manufactured in
United States
Company 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.
Recall number
26777

In the CPSC's words

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.
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.
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.

Related topics