Product Description
The TK-310U-I (Indoor) supplies hot water to domestic hot water systems and can be used with water storage tanks, recirculation systems, and/or combined domestic & heating applications. 15-year limited heat exchanger, 5 yrs limited parts Residential use Energy Factor of 0.82 for Natural Gas or Liquid Propane Maximum BTU input 190,000 - Natural Gas or Liquid Propane Field convertible from Natural Gas to Liquid Propane Maximum flow rate of 8.0 GPM at 35°F temperature rise (4.4 GPM at 70°F rise) Includes built-in temperature controller and power cord as standard features Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)
State of California Proposition 65 Warning: This product may contain one or more substances or chemicals known to the state of California to cause cancer.
