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CPSC recall · Reported April 28, 2021

Pool Heaters Recalled by Pentair Water Pool and Spa Due to Fire Hazard

A connection in the heater can leak the combustible air-gas mixture, posing a fire hazard.

Recall #
21119
Affected scope
About 4,700 (In addition, about 21 were sold in Canada)
Verify with CPSC →
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Pentair Water Pool and Spa Inc., of Sanford, N.c. recalled This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold ….

Pool Heaters Recalled by Pentair Water Pool and Spa Due to Fire Hazard was recalled by Pentair Water Pool and Spa Inc., of Sanford, N.c. in April 28, 2021. Reason: A connection in the heater can leak the combustible air-gas mixture, posing a fire hazard.. Remedy: Consumers should immediately stop using the recalled heaters and contact Pentair Water Po…. Verify recall #21119 with the CPSC before acting.

The recall

Pentair Water Pool and Spa Inc., of Sanford, N.c. issued this CPSC recall-A connection in the heater can leak the combustible air-gas mixture, posing a fire hazard..

None
agency class
April 28, 2021
reported

Sourced from official CPSC enforcement records. Verify recall #21119 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.

Recall Insight

This recall's affected scope, documented in the Recall Profile below, stays within a single-region or limited-distribution footprint. Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.

Within the same product category the archive holds 6 closely related recalls, 6 from CPSC - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.

Outdoor & Sports recalls over time

Where this recall sits in its category - 515 outdoor & sports recalls on record

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Product description

This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold in various styles and models with manufacturing dates between December 22, 2020 and January 6, 2021. The manufacturing date, along with model number, can be found on the serial number sticker on the heater. Recalled Pool Heater Model Numbers HTR 250 MASTERTEMP LP HTR 250 MASTERTEMP NA HTR 300 MASTERTEMP NA HTR 400 MASTERTEMP HD HTR 400 MASTERTEMP LP HTR 400 MASTERTEMP NA HTR 400NG MASTERTMP HD ASME HTR MT 250LP SPECIAL PACKING EC HTR MT 250NA SPECIAL PACKING EC HTR MT 400LP SPECIAL PACKING EC POOL HTR 333K LP POOL HTR 333K NAT GAS POOL HTR 400K LP POOL HTR 400K NAT GAS POOL HTR HD 200K NA POOL HTR HD 333K NA

Reason for recall

A connection in the heater can leak the combustible air-gas mixture, posing a fire hazard.

Remedy, what to do

Consumers should immediately stop using the recalled heaters and contact Pentair Water Pool and Spa for a free repair.

Recall Profile

Structured summary of the CPSC recall record
Attribute Value
Agency U.S. Consumer Product Safety Commission
Severity class Not classified by agency
Status Active
Recall number 21119
Date reported April 28, 2021
Date initiated April 28, 2021
Recalling firm Pentair Water Pool and Spa Inc., of Sanford, N.c.
Affected scope About 4,700 (In addition, about 21 were sold in Canada)
Distribution Not disclosed
Official source CPSC notice →

Profile values are sourced directly from the official CPSC enforcement record. Source: U.S. Consumer Product Safety Commission.

What to do with this recall

Consumers should immediately stop using the recalled heaters and contact Pentair Water Pool and Spa for a free repair.

  • Check the recall number (21119) and product description against the item you own. Search the archive
  • Confirm the current status and remedy on the official CPSC notice before acting. CPSC notice
  • Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next

This page summarizes the official CPSC record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.

Frequently Asked Questions

What product was recalled?
This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold in various styles and models with manufacturing dates between December 22, 2020 and January 6, 2021. The manufacturing date, along with model number, can be found on the serial number sticker on the heater. Recalled Pool Heater Model Numbers HTR 250 MASTERTEMP LP HTR 250 MASTERTEMP NA HTR 300 MASTERTEMP NA HTR 400 MASTERTEMP HD HTR 400 MASTERTEMP LP HTR 400 MASTERTEMP NA HTR 400NG MASTERTMP HD ASME HTR MT 250LP SPECIAL PACKING EC HTR MT 250NA SPECIAL PACKING EC HTR MT 400LP SPECIAL PACKING EC POOL HTR 333K LP POOL HTR 333K NAT GAS POOL HTR 400K LP POOL HTR 400K NAT GAS POOL HTR HD 200K NA POOL HTR HD 333K NA. Recalled by Pentair Water Pool and Spa Inc., of Sanford, N.c.. Units affected: About 4,700 (In addition, about 21 were sold in Canada).
Why was this product recalled?
A connection in the heater can leak the combustible air-gas mixture, posing a fire hazard.
What should consumers do?
Consumers should immediately stop using the recalled heaters and contact Pentair Water Pool and Spa for a free repair.
Which agency issued this recall?
This recall was issued by the CPSC on April 28, 2021. CPSC does not publish a hazard classification for this recall. Recall number: 21119.
How do I report an injury from a recalled product?
Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.

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This recall: CPSC, reported April 28, 2021. Severity classes follow each agency's own taxonomy; related-recall context is computed across the full archive.

Methodology · Corrections · Archive as of August 2026