Rinnai America Corp., in conjunction of the CPSC, is recalling about 52,000 Direct-Vent Wall Furnaces, Models RHFE 431 and RHFE 556 due to carbon monoxide hazard. A gasket in the unit can fail which can cause carbon monoxide to leak from the furnace and into the home.So far Rinnai has received 11 reports of carbon monoxide leaking, but there have not been any injuries or illnesses reported.The...