Rinnai America is recalling Direct-Vent Wall Furnaces.
The Consumer Product Safety Commission says a gasket can fail, releasing poisonous carbon monoxide gas into the home.
The units sold nationwide from February 2000 through December 2007.
The recall includes Rinnai Energy Saver Direct Vent Wall Furnaces models RHFE 431 and RHFE 556.
Contact Rinnai at to arrange for a free repair.