Reliance premium condensing gas tankless water heaters deliver 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 three times 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; as well as 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 also 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).
- Reliance premium condensing gas tankless water heater
- Built-in X3 Scale Prevention Technology, no warranty exceptions for hard water conditions
- Indoor or Outdoor Installation, outdoor vent kit sold separately
- Energy Star certified, .95 UF, complies with Ultra Low NOx emissions regulations
- Field convertible from Natural Gas to Liquid Propane, kit included
- Approved for installation in manufactured homes
Product Videos
Custom Field
Model RTHR-180X3
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