Urgent Product Service Notification – HC 33-160 & DC 33-160

HC 33-160 & DC 33-160 – Heat Exchanger Gasket Upgrade Program Download printable PDF notice here  It has come to our attention that a small number of HC 33-160 & DC 33-160 series boilers, manufactured before November 2016, have experienced a heat exchanger gasket failure.  The gasket seals the heat exchanger to the heat exchanger […]