CPSC recall 21-119, announced April 28, 2021, covers Pentair Water Pool and Spa StaRite and Mastertemp pool heaters (about 4,700 units). A connection in the heater can leak the combustible air-gas mixture, posing a fire hazard. The notice reports no incidents. Consumers should immediately stop using the recalled heaters and contact Pentair Water Pool and Spa for a free repair. Recall contact: call 800-831-7133, or go to www.pentair.com.
Compare the model on your label, then check any serial numbers, date codes, and exclusions in the notice. A model match alone does not confirm that your unit is included.
The manufacturing date, along with model number, can be found on the serial number sticker on the heater.
Which products are included?
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
Confirm these details on the official CPSC noticeWhy it was recalled
A connection in the heater can leak the combustible air-gas mixture, posing a fire hazard.
Incidents and injuries
No incidents or injuries have been reported.
Official remedy
Consumers should immediately stop using the recalled heaters and contact Pentair Water Pool and Spa for a free repair.
Product and sales details
- Manufacturer
- Pentair Water Pool and Spa Inc., of Sanford, N.C.
- Recall number
- 21-119
- Units
- About 4,700 (In addition, about 21 were sold in Canada)
- Manufactured in
- United States
- Sold at / sales period
- Pool equipment distributors nationwide between December 2020 and January 2021 for between $2,200 to $3,100, depending on the model.
Recall contact information
Pentair Water Pool and Spa at 800-831-7133 from 8 a.m. to 7:30 p.m. ET Monday through Friday, or online at www.pentair.com and click on Products, then Pool and Spa Equipment, then Pool Heaters, then Additional Resources for more information
Verify phone numbers, hours, and websites on the current CPSC notice before contacting the firm.
Know someone who has one?
Recalls only work when owners hear about them. Send this notice to family or friends who might own the same product.




