Note: Telephone Number Change.

Originally issued January 4, 2007, Revised July 20, 2010
Release #07-073

Retailer's Customer Service: (800) 831-7133
CPSC Recall Hotline: (800) 638-2772
CPSC Media Contact: (301) 504-7908


Pentair Water Pool and Spa Inc. Recalls Gas Pool Heaters for Carbon Monoxide Hazard


WASHINGTON, D.C. - The U.S. Consumer Product Safety Commission, in cooperation with the firm named below, today announced a voluntary recall of the following consumer product. Consumers should stop using recalled products immediately unless otherwise instructed. It is illegal to resell or attempt to resell a recalled consumer product.

Name of Product: MiniMax® NT STD Gas Pool Heaters

Units: About 105,000

Manufacturer: Water Pool and Spa Inc., of Moorpark, Calif.

Hazard: 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.

Incidents/Injuries: None reported.

Description: 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.

Sold through: 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.

Assembled in: United States

Remedy: 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.

Customer 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

Picture of Recalled Gas Pool Heater