The T-H2S model is available in either Direct Vent (only) or Outdoor (only) models. Takagi's T-H2S is one of the most energy efficient tankless units (up to 0.90 EF) in the Tankless industry. The T-H2S was designed for residential applications.
Rated to 8 GPM
Temperatures to 185-Degree
Condensing models are rated to 91-percent efficient
Can be vented with PVC, CPVC, or ABS piping.