The NCB Series combi-boilers are condensing combination boilers capable of delivering plentiful hydronic heat and unlimited domestic hot water for large homes. The combi-boilers are offered in three ...
Navien recommends that people immediately stop using the recalled units. "Consumers who continue use of the water heaters and boilers while awaiting repair, should have a working carbon monoxide alarm ...
IRVINE, Calif. (CBS) – Navien condensing tankless water heaters and combination boilers are being recalled because they could potentially produce poisonous levels of carbon monoxide. The Consumer ...