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Home › Appliances & tools › Pentair Water Pool and Spa Inc. Gas Pool…
The notice says to stop using it — see below for what to do.
These pool heaters can emit excessive carbon monoxide (CO), posing a risk of CO poisoning in the event of a vent leak in an indoor installation.
The Recall Registry rates this worth checking — we found nothing in the notice describing a specific injury. A recall covers only the versions, UPCs or date codes it names, so check those against yours.
Photos help. Identifiers decide. Appearance can vary by color, finish or packaging. Confirm the model number, date code or other identifier in the official notice.

Recall image provided by CPSC
Consumers should stop using these gas pool heaters installed indoors immediately, and contact the firm to determine if their heater is included in the recall. If it is, Pentair will provide a free inspection, and repair of the heater if necessary.
Who to contact: For more information, contact Pentair toll-free at (800) 831-7133 from 9 a.m. to 6 p.m. ET, Monday through Friday, or go to their Web site at www.pentairpool.com
The recall involves Pentair MiniMax® NT STD Gas Pool Heaters installed indoors. They have BTU ratings between 200,000 and 400,000, and use either natural gas or propane. The model number is located on the rating plate on the inner front panel of the heater. The following model numbers are included: 460427 through 460430 460439 through 460450 460531 through 460538 460543 through 460566 The heater identification number is located on the rating plate on the inner panel of the heater, which will show "NT" and "STD" in the third and fourth blocks of the number. The recall includes units with serial numbers 0606002 and lower. The recall also includes units without serial numbers. If the unit has a serial number, it is written on the data plate on the heater, which is located on the inner front door of the heater. Units with serial number 0606003 and higher are not included in this recall. MiniMax® NT Low NOx and MiniMax® NT TSI model pool heaters are not included in this recall.
Pool heater distributors and pool service equipment dealers nationwide from April 2002 through May 2006 for between $2,000 and $3,850 depending on the model number.
This recall was issued by the U.S. Consumer Product Safety Commission. The Recall Registry summarises it — always confirm the details at the source.
Their exact wording: “Pentair Water Pool and Spa Inc. Recalls Gas Pool Heaters for Carbon Monoxide Hazard”
Worried about the other things in your house? You can write down what you have and be told if one is recalled — or, if you sell second-hand, check your whole stock at once.
Filed under: Appliances & tools
This recall involves Hayward-branded HDFS400 Universal-HC Series pool heaters.