Gas-fired hot water boilers — recall 14076

Reported risk: This recall involves U.S. Boiler ESC, PVG and SCG model cast iron hot water boilers that use natural gas or liquid petroleum to heat water for residential space heating. The boilers are light blue in color with black trim, about 40 inches tall, about 26 inches deep and range from 12 to 31 inches wide. The model name and U.S. Boiler logo are on the front cover of the boiler. The front cover of the boiler is vented. Recalled boilers were manufactured between December 2005 and February 2013. The model number, serial number and manufacturing date are located on a silver label on the top panel of ESC models and on the inside of PVG and SCG models on the right side panel. The manufacturing date appears in the upper right corner of the silver label in the MM/YYYY format. The following model numbers and serial number ranges are included in this recall: Model Number Serial Number Range ESC3 through ESC9 65249110 through 65382278 PVG3_P, PVG4_P and PVG5 through PVG9 64870666 through 65385748; 97939433 SCG3 through SCG9 35200197; 65283322 through 65858729 Hazards: The air pressure switch can fail to shut down the burners when there is a blockage in the vent system, allowing the boiler to emit excessive amounts of carbon monoxide and posing a CO poisoning hazard to the consumer.