Possible air pressure switch failure prompts action

A recall has been issued involving U.S. Boiler ESC, PVG and SCG model cast iron hot water boilers that use natural gas or liquid petroleum. U.S. Boiler Company has identified that under certain circumstances, the air pressure switch can fail to shut down the burners when there is a blockage in the vent system, causing the boiler to emit excessive amounts of carbon monoxide into the vent systems. Neither Health Canada nor U.S. Boiler Company has received any reports of incidents or injuries in Canada. Approximately 310 of the recalled products were sold in Canada from April 2006 to February 2013 and approximately 26,000 were sold in the U.S. 

The boilers are light blue in colour with black trim, about 102 centimetres (40 inches) tall, about 66 centimetres (26 inches) deep and range from 30.5 to 79 centimetres (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. 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.