Stop using nowConsumer product recall · CPSC · Published April 28, 2021
Pentair Pool Heaters Recall: Fire Hazard from Leaking Combustible Air-Gas Mixture
Pentair Water Pool and Spa recalls StaRite and Mastertemp pool heaters from Dec 2020-Jan 2021 due to fire risk from leaking combustible air-gas mixtures. Consumers must stop using and contact for free repair.
Pentair Water Pool and Spa is recalling specific pool heaters made between December 2020 and January 2021 because a connection can leak combustible air-gas mixtures, creating a fire hazard. This affects pool owners who use these heaters and could lead to serious injury or property damage if not addressed. Read more at govinfonow.com/recall/2859-pentair-pool-heaters-recall-fire-hazard-from-leaking-combustible-air.
“Pentair Pool Heaters Recall: Fire Hazard from Leaking Combustible Air-Gas Mixture.” GovInfoNow, updated August 3, 2026. https://govinfonow.com/recall/2859-pentair-pool-heaters-recall-fire-hazard-from-leaking-combustible-air. Based on CPSC recall #9049 (https://www.cpsc.gov/Recalls/2021/Pool-Heaters-Recalled-by-Pentair-Water-Pool-and-Spa-Due-to-Fire-Hazard).
The Consumer Product Safety Commission announced on April 28, 2021, that Pentair Water Pool and Spa is recalling StaRite and Mastertemp pool heaters due to a fire hazard. Consumers should immediately stop using the recalled heaters and contact the company for a free repair.
How to tell if you have it
Brand: Pentair Water Pool and Spa
Products: StaRite and Mastertemp pool heaters
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
Manufacturing Dates: December 22, 2020 to January 6, 2021
Sold at: Pool equipment distributors nationwide between December 2020 and January 2021
What to do
Consumers should immediately stop using the recalled heaters and contact Pentair Water Pool and Spa for a free repair. Contact the company at 800-831-7133 from 8 a.m. to 7:30 p.m. ET Monday through Friday, or online at www.pentair.com.
The hazard
A connection in the heater can leak the combustible air-gas mixture, posing a fire hazard. No incidents or injuries have been reported.
Context
GovInfoNow's records show Pentair Water Pool and Spa has had other recent recalls of similar products include Hayward Universal Pool Heaters Recall: Carbon Monoxide Poisoning Risk (2026-09-17), Golden Resale Camping Shower Recall: Fire Hazard (2026-10-01), and DIY Cold Plunge Sauna Heater Kits Recall: Fire Hazard Risk of Serious Injury or Death (2026-03-26).
How to tell if you have this one
Check the serial number sticker on the heater for the manufacturing date and model number. Recalled models include HTR 250 MASTERTEMP LP and other specific styles listed in the recall notice.
Brand
Pentair Water Pool and Spa
Product
StaRite and Mastertemp pool heaters
Category
Consumer product
Based on the official CPSC remedy
What to do — step by step
Stop Using It Now
Immediately stop using the recalled pool heaters to prevent fire risk.
Contact for Free Repair
Contact Pentair Water Pool and Spa for a free repair to fix the connection issue.
Official remedy
What CPSC says to do
Consumers should immediately stop using the recalled heaters and contact Pentair Water Pool and Spa for a free repair.
Where it went
Where it was sold
Sold nationwide.
Nationwide
Not listed
CPSC “Sold at”: “Pool equipment distributors nationwide between December 2020 and January 2021 for between $2,200 to $3,100, depending on the model.”
Sold nationwide.
Take action
Contact Pentair Water Pool and Spa
We’ve drafted a message you can send Pentair Water Pool and Spa to request your refund or repair — edit it as you like.
Subject: Recall 9049 — Pentair Water Pool and Spa Pentair Pool Heaters Recall: Fire Hazard from Leaking Combustible Air-Gas Mixtu
Hello,
I own a Pentair Pool Heaters Recall: Fire Hazard from Leaking Combustible Air-Gas Mixture that is covered by recall 9049 from Pentair Water Pool and Spa.
The official recall notice states: Consumers should immediately stop using the recalled heaters and contact Pentair Water Pool and Spa for a free repair.
I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this?
Thank you.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official CPSC recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Plain-language summary written by qwen3:4b on August 3, 2026, from the official record above. Not reviewed by a person — if it conflicts with the CPSC notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official CPSC recall data; we don’t issue, amend or administer recalls.