A faulty air pressure switch could allow the boiler to emit excessive amounts of carbon monoxide
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U.S. Boiler Company of Lancaster, Pa., is recalling about 26,310 gas-fired hot water boilers in the U.S. and Canada.
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, posing a CO poisoning hazard to the consumer.
No incidents or injuries have been reported.
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 |
The boilers, manufactured in the U.S., were sold at plumbing and heating wholesale distributors nationwide from December 2005, through February 2013, for between $1,700 and $4,900.
Consumers with recalled boilers should immediately contact the installer or distributor from whom they purchased the boiler, or U.S. Boiler, to schedule a free in-home safety inspection and repair. Consumers who continue use of the boilers while awaiting repair, should have a working carbon monoxide alarm installed outside of sleeping areas in the home.
Consumers may contact U.S. Boiler toll-free at (888) 432-8887 from 8 a.m. to 4:30 p.m. ET Monday through Friday.
