Condensing Gas Tankless Water Heater

The John Wood powered by Takagi condensing tankless water heaters provide endless hot water, when sized appropriately. The durable primary heat exchanger is made of commercial-grade copper while the secondary heat exchanger is made of Type 316L stainless steel, preventing corrosion and prolonging the life of the heater. These power direct vent models combine durability and versatility in an easy-to-install space-saving design.

Product Features

  • Condensing technology provides up to a 0.94 Uniform Energy Factor
  • Primary heat exchanger is constructed of commercial-grade copper which is more resilient against erosion
  • Secondary heat exchanger is made of Type 316L Stainless Steel to protect against corrosion
  • Flexible venting as ULC S636 approved PVC, CPVC, polypropylene pipe or Category III/IV stainless steel venting can be used
  • Easy-Link up to 4 units with no additional parts or accessories needed using built-in Easy-Link System (540 models only)
  • Multi-link up to 20 units (540 models only) with a multi-unit controller
  • Can be used in residential hydronic heating applications
  • Takes up significantly less space than a tank-type water heater
  • Electronic ignition means there is no pilot light
  • Industry-leading 15-year heat exchanger warranty when used in residential applications
  • JCT-199 available for commercial applications
  • 540P model with integrated recirculation pump


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