The 510U Series is well suited for residential/commercial applications such as small restaurants and beauty salons. Utilizing HRS35 copper alloy for the heat exchanger tubing, the 510U is also suitable for heavier-residential usages such as space heating or domestic recirculation systems. Remote control included as a standard feature. Thicker heat exchanger drum and utilizes HRS (heat-resistant) copper for the heat exchanger tubing. Provides a variety of installation options: indoor, outdoor, and direct vent. Includes a pump control port, ensuring efficient operation of all circulation pumps. Complies with Ultra-Low NOx regulations and meets the energy efficiency requirements of ASHRAE 90.1-b 1992. Easy-Link System capable up to 4 units. Multi-Link system capable up to 20 units.
The ATO-510U-N tankless water heater uses up to 199,000 BTUs of natural gas to deliver a max flow rate of 10 GPM. It utilizes non-condensing technology to achieve an Energy Factor of 0.82, and is ENERGY STAR® qualified. This model meets Ultra-Low NOx emission requirements, and comes with a 15-year limited warranty.