A flue system is provided for a water heater having improved heat exchange efficiency. The flue system includes an upstream heat exchange portion having at least one substantially vertical flue tube. The flue system also includes a downstream heat exchange portion having at least one substantially vertical flue tube. The upstream heat exchange portion provides a first pass for heat exchange with water in a water heater. The downstream heat exchange portion provides a second pass for heat exchange with water in the water heater.
申请公布号
CA2430807(A1)
申请公布日期
2003.12.04
申请号
CA20032430807
申请日期
2003.06.03
申请人
BRADFORD WHITE CORPORATION
发明人
SUTHERLAND, JASON;GORDON, MICHAEL;CAMPBELL, ROSS;SCOTT, TIMOTHY D.;STAFFORD, CHRISTOPHER