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The Knockout is an indoor, natural-gas tankless water heater rated at 10 GPM with a 199,000 BTU burner. It uses a commercial-grade copper alloy heat exchanger and is certified for altitudes up to 10,100 feet, with ultra-low NOx emissions. Computerized safeguards watch for freeze risk, power surges and cooling faults, and a diagnostic screen flags voltage problems. It suits large households with several bathrooms, small eateries and salons that want continuous hot water without a storage tank. Against typical residential tankless units, its 10 GPM flow and high-altitude rating are generous, but the 199,000 BTU draw needs a large gas line and venting planned by a licensed installer.
In stock
Lowest price we've seen: $3,477.95 on Nov 9 at VXB.com Bearings. Tracked across 1 store since Nov 9.
This is an indoor, on-demand tankless water heater that runs on natural gas. It delivers a flow of 10 gpm and has zero standby loss. It is intended for home use, and the description also lists small eateries and salon operations.
The heat exchanger is a commercial-grade copper alloy design, and the heating plates are copper alloy. The gas burner is rated at 199,000 BTU. The unit meets ultra low NOx emission standards.
Computerized safeguards track freeze risks, surge spikes and cooling errors. Diagnostic screens spot voltage mismatches and warn before a component fails. The unit is certified for reliable performance up to 10,100 feet above sea level.
