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Natural Gas Tech Specs
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Featuring a power vented flue this tankless water heater uses sealed combustion and is fully modulated, making it perfect for domestic hot water systems. It can also be used with water storage tanks, recirculation systems, hydronic heating systems, radiant floor heating systems, and/or combined domestic & heating applications while complying with Ultra-Low NOx regulations, lead free standards, and being Energy Star® Qualified.
HRS35 copper is an alloy that is 99.5% pure copper with a .5% mixture of other elements, this alloy is much stronger and harder than the standard C1220, which is the copper. HRS35 has 8 times the tensile strength of standard copper
Energy Star is an international standard for energy efficient consumer products originated in the United States of America. It was created in 1992 by the Environmental Protection Agency and the Department of Energy. Devices carrying the Energy Star service mark, such as computer products and peripherals, kitchen appliances, buildings and other products, generally use 20%–30% less energy than required by federal standards.
Following the South Coast Air Quality Management District (AQMD), several other AQMDs have adopted regulations to require residential water heater (<75,000 Btu/hr heat input) NOx emission to be less than 10 nanograms per joule of heat output. The South Coast AQMD also requires that tankless water heaters to have NOx emission less than less than 14 nanograms per joule of heat output or less than or equal to 20 ppm (at 3% O2, dry).
Why choose Takagi? Takagi produce some of the most highly efficient tankless water heaters in the industry. With a commitment to innovation and quality, they are constantly creating new technology to keep up with their customers’ ever-changing hot water needs. Takagi sets the bar with the most stringent of durability testing standards for all of our models. For 15 years, Takagi has provided the most eco-friendly, energy-efficient water heating solutions in North America.
This product is listed under the following manufacturer number(s):
*Denotes a finish or option that has been discontinued
|Configuration||Tankless Water Heater|
|Duct Size||3" Round, 4" Round|
|Electronic Ignition Type||Yes|
|Fuel Type||Natural Gas|
|Gas Connection||3/4" NPT|
|Low Lead Compliant||Yes|
|Maximum Flow Rate||10|
|Maximum Gas Input||190000|
|Maximum Vent Length||100 ft, 70 ft|
|Minimum Flow Rate||0.4|
|NG Energy Factor||0.82|
|Natural Gas Input (Max)||190000|
|Natural Gas Input (Min)||15000|
|Natural Gas Manifold Pressure||3|
|Natural Gas Pressure (Max)||10.5|
|Power Supply||AC 120V|
|Water Connection||3/4" NPT|
|Water Pressure (Max)||150|
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