RTHR-199X3 Tankless Water Heater, Natural, 199,000 Btu, 95 % Energy Efficiency, 5.9 gpm

This Reliance® premium condensing gas tankless water heater delivers robust, on-demand performance and the flexibility to install in practically any residential setting. Built-in X3® Scale Prevention Technology provides protection for the heat exchanger - making it last 3X longer than a standard tankless water heater and maintaining like-new performance. The premium condensing line features a built-in control display for setting and reviewing up to two recirculating schedules and checking heater status and error codes. Manage temperature settings and activate the heater and recirculation remotely with optional kits (sold separately). All models are Energy Star certified and extremely efficient with a uniform energy factor of 0.95 and comply with ultra-low NOx regulations. All premium condensing models are field convertible from natural gas to liquid propane, (kit included) and can be installed indoors or outdoors (with an outdoor vent cap kit sold separately).