Severity
Moderate
ModerateActive
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.
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 … - a moderate-severity action.
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 moderate-severity CPSC recall-A connection in the heater can leak the combustible air-gas mixture, posing a fire hazard..
- Moderate
- severity level
- 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 CPSC action (record #21119) was formally reported on April 28, 2021. It is classified under Moderate severity, with a current status of Active. Pentair Water Pool and Spa Inc., of Sanford, N.c. is listed as the recalling firm. Federal records list the affected scope as About 4,700 (In addition, about 21 were sold in Canada).
The documented reason for this recall is: A connection in the heater can leak the combustible air-gas mixture, posing a fire hazard. Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. The remedy documented by the agency is: Consumers should immediately stop using the recalled heaters and contact Pentair Water Pool and Spa for a free repair. - consumers holding this product should act on that instruction 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 - 510 outdoor & sports recalls on record
Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. This recall is classified moderate severity.
Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.
Affected scope
About 4,700 (In addition, about 21 were sold in Canada)
Related Recalls
6
6 from same agency
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
| Attribute | Value |
|---|---|
| Agency | U.S. Consumer Product Safety Commission |
| Severity class | Moderate |
| 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. Severity: Moderate. Recall number: 21119.
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (21119) against your product. Visit the official CPSC website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
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.
Nearby Recalls in This Category
Other recalls in the same product category, useful for spotting patterns across the same defect class or manufacturer.
CPSC Moderate
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Houoto 642-2150V Pool Drain Covers Recalled Due to Risk of Serious Injury or Death from Entrapment and Drowning Hazards…
Foshan Nanhai District Haichen Tengfei Hardware Factory, of China · 2026-06-11
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Joyin Recalls Sloosh Dive Sticks Due to Risk of Serious Injury from Impalement; Violate Federal Dive Sticks Ban
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Dongguanshizhouhedianzishangwuyouxiangongsi (Dongguan Zhouhe E-commerce Co., Ltd.) dba Gudook Outdoor Sports, of China · 2026-06-04
Compare this recall with Topyond Pool Drain Ports with Covers Recalled Due to Risk o… →
Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: CPSC, reported April 28, 2021. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.