Brand
4 official CPSC notices naming Viessmann Manufacturing, 2002–2019, across hvac & water heaters.
4 notices where the recalled products are boilers.
Vitodens
Hazard: The boiler heat exchanger back plate can corrode and leak flue gases, allowing the boiler to emit excessive amounts of carbon monoxide, posing a CO poisoning hazard to consumers.
Viessmann Manufacturing
Hazard: The boiler can overheat and emit flue gases into the venting system and carbon monoxide can leak throughout the residence, posing a fire and carbon monoxide hazard to consumers.
Vitodens
Hazard: The boiler can leak gas, posing a fire hazard to consumers.
SR-RN-2 and SR-RN2R
Hazard: The controls have an electronic relay that may fail in a manner that will allow the burner to operate and by-pass the interlock with the flue damper. The interlock assures proper operation of the damper for removal of combustion gases. If the interlock fails, excess carbon monoxide emissions may occur.