Kitchen Appliance

Hayward Industries 400,000 BTU Universal-HC Series Pool Heaters

1 source-linked failure report.

Reliability signal — · Insufficient data · data confidence Very Low

0 confirmed failure reports · 1 other

Reliability summary

What is likely to go wrong, when it happens, and how expensive it can be — from source-linked failure reports. Counts are reports in our database, not a population failure rate.

Reliability signal

—

0 confirmed failure reports · Insufficient data · Data confidence: Very Low

Need at least 5 confirmed failure-signal reports before showing an A–F grade.

Most common issue: —
Typical first failure: —; Median of confirmed reports with timing
Median repair cost: —; Reported costs only · market varies
Highest reported repair: —; Not a quote · costs differ by country

What breaks?

Failure types

Click a type in the reports section below to filter.

No failure-type breakdown yet.

When does it break?

Failure timing

Months after purchase, using reports that included timing.

No timing data yet for this model.

What does it cost?

Reported repair costs

Distribution of owner-reported repair costs— not a quote or guarantee. Labor and parts prices vary by country.

No reported repair costs yet for this model.

Median months to failure

—

Failure reports

Median repair cost

—

Still recommend

—

% repaired

—

% mfr warranty

—

% extended warranty

—

% support helpful

—

Use these reports as a risk signal, then check current listings before you buy.

Search this model on Amazon

As an Amazon Associate, After Warranty may earn from qualifying purchases.

What breaks?

No failure type data yet.

What breaks? · reports

No failure reports match this filter.

Other reports

Service, warranty, recall/safety, or quality notes that do not count toward the durability grade.

During operation, the heaters can produce high levels of carbon monoxide (CO), posing a risk of serious injury or death from carbon monoxide poisoning

During operation, the heaters can produce high levels of carbon monoxide (CO), posing a risk of serious injury or death from carbon monoxide poisoning.

Government / agencyIndexed Oct 9, 2026Source-linkedVerify source — CPSC recall / report

CPSC recall #26777: Hayward Industries Recalls Universal Pool Heaters Due to Risk of Serious Injury or Death from Carbon Monoxide Poisoning Hazard.. 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. Injury/incident reports: None reported. Details: 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 / safetyVerifiedEvidence ★★★★☆

View report details

Months until failure

Not stated

Repair cost

Not stated

Repaired

Not stated

Manufacturer warranty

Not stated

Extended warranty

Not stated

Support helpful

Not stated

Would recommend

Not stated

AI extraction confidence

92%

Verification status

Verified

Evidence quality

★★★★☆ (4/5)

Discussion

Compare nearby models

Similar products

24 In. Built-In, St. Steel Front Control, Tall Tub GDF510PSM4SS Compare with this model →

4-Door Flex With Family Hub RF28M9580SG/AA Compare with this model →

A.O. Smith NU40T61-403 Compare with this model →

Stay ahead of failures

Notify me about this model

Get an email when a new source-linked failure report is published for the Hayward Industries 400,000 BTU Universal-HC Series Pool Heaters.

Contribute signal

Had a failure with this model?

Add your experience and help future shoppers understand what happens after the warranty.

Submit your experience