Rinnai America Corporation is introducing its latest E Series Boiler—the E50C Condensing Combi Boiler. The ideal solution for residential home-heating and water-heating needs, the E50C is more cost effective to install, requiring fewer pumps and no primary secondary piping for common installations. Designed for smaller residential applications with up to 1.5 baths, similar to a Cape Cod-style cottage, theE50C touts the highest efficiency of any combi boiler on the market, 95.6 percent AFUE, which translates into reduced monthly energy bills for homeowners. Compatible with a 1/2-inch gas line, the new E50C boiler can be fueled by natural gas or propane, has an input range of 13,600 to 50,000 Btu and only requires a minimum gas pressure of a3-inch W.C. The E50C Boiler is also appropriate in multi-family applicationswith up to 1.5 baths. For more information, www.rinnai.us.