A.O. Smith Signature Series Super High Efficiency 10.5-GPM 199000-BTU Indoor-Outdoor Condensing Natural Gas Tankless Water Heater with Scale Prevention

A. O. Smith Standard Condensing Gas Tankless water heater offers customers dependable, on-demand hot water without the premium price tag. Available with optional X3® scale prevention technology, which reduces and eliminates scale build-up caused by hard water conditions, lasts up to 3 times longer than models without it, and comes with no annual descaling required and no hardwater exclusions on the warranty. Flexibility to install indoors and outdoors and can cascade up to 12 units with a single cable per heater for larger households or applications. Call 1-877-GOLowes to get this water heater installed.

Delivers powerful on-demand hot water with 199,000 BTU for reliable whole-home performance Patented X3® Scale Prevention Technology eliminates the need for annual descaling and extends unit life up to three times versus an unprotected heater. Electronic ignition and a quiet 51 dB operation keep performance seamless and unobtrusive Supports flow rates up to 10.5 GPM, with activation at just 0.4 GPM for fast, efficient performance. Flexible installation indoors or outdoors, with venting compatible with PVC, CPVC, Polypropylene, or solid-core ABS pipe. Backed by a 15-year limited warranty on the heat exchanger and a 5-year limited warranty on parts for residential use. Primary copper and secondary stainless steel heat exchangers built for lasting durability Built-in freeze protection rated to -5°F keeps the unit running in harsh climates