Lochinvar announces the launch of its XCalibur™ Condensing High Efficiency Tankless Water Heaters with X3® Scale Prevention Technology. Bringing to market new premium features, including an integrated recirculation pump and patented heat exchanger; enhanced installation flexibility and high efficiency performance, the XCalibur tankless water heater supports busy contractors and homeowners. Available in 160,000-; 180,000-, and Read more