Takagi TK-540X3-PEH 199,000 BTU Propane Outdoor Condensing Ultra Low NOx with X3 Technology Tankless Water Heater 

Takagi TK-540X3-PEH 199,000 BTU Propane Outdoor Condensing Ultra Low NOx with X3 Technology Tankless Water Heater 

The TK-540X3-PEH is well-suited for residential applications. Takagi has combined water heating and treatment in a product designed to revolutionize tankless water heating. Our new condensing gas tankless line features X3 Scale Prevention Technology to last three times longer than other tankless models without X3 Technology. Complies with Ultra-Low NOx regulations. The TK-540X3-PEH utilizes commercial-grade copper alloy for the heat exchanger tubing and is approved to work with an external recirculation pump and cross-over valve. Certified up to 10,100 ft. altitude. 

Features: 

• ENERGY STAR qualified

• X3 Scale Prevention Technology

• 15-year limited Heat Exchanger Warranty, 5-year parts warranty, 1-year labor warranty for Residential applications

• Commercial-Grade Copper Heat Exchanger

• Approved to work with an external recirculation pump and cross-over valve

• Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)

• Condensing Liquid Propane Outdoor model

• Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes

Tech Specifications:

Dimensions & Venting: