Zoom
Takagi T-H3-DV indoor series tankless water heaters are among the most popular choices for on-demand condensing (high efficiency) gas tankless water heaters on the market due to their reliability, efficiency and affordable price. These are high-ouptput models, designed mainly for high demand applications (multiple simultaneous showers/sinks/appliances) and are also suitable for commercial applications requiring 180F degree water.
Technical Specifications:
Features:
Technical Specifications:
- Shower Capacity: 4 - 3 Showers (5 GPM @ 75°F rise; 7.5 GPM @ 50°F rise; 10 GPM @ 40°F rise)
- Min Flow: 0.4 GPM
- Gas Input (Min - Max): 15,000 - 199,000 BTU/h
- Fuel Type: Natural Gas (5 - 10.5 WC pressure)
- UEF: 0.93
- Hot & Cold Water Connections: 3/4" NPT
- Gas Connection: 3/4" NPT
- Condensate Connection: 1/2" NPT
- Flue and Air Intake Connections: 4" Default (up to 100ft of pipe length equivalent) or 3" Optional (up to 70ft)
- Vent Pipe Material: PolyPropylene (recommended), PVC (solid core only) or Category III Stainless Steel
- Installation Altitude: 0 - 2,000 (de-rate for higher elevations, up to 10,100ft max - see manual for details)
- Power Supply: 120V, 60Hz (factory wired plug-in cord)
- Consumption: 4.2W Stand-By, 89W Operation, 175W Freeze Protection
- Dimensions: 17-3/4" Wide x 24-7/8" High x 11-1/4" Deep
- Weight: 60 lbs
Features:
- Fully modulating, high-efficiency condensing design with commercial copper primary and 316L secondary heat exchangers, 0.93 UEF
- Factory-installed power cord with plug
- Up to 10 GPM max flow rate
- Suitable for commercial applications
- Easy-link up to 4 units (no additional parts or accessories needed) and multi-link (cascade) up to 20 units
- Common vent up to 8 units
- Built-in safety features include freeze protection, air-fuel ratio sensor, exhaust & water temperature control, overheat cut-off fuse
- Flexibility in venting options (Cat. IV - PVC, CPVC, PP or Cat III - St. Steel)
- Electronic ignition - no pilot light
- Temperature controller on front panel
- Wall-mounting design with integrated brackets
- NSF certified, AHRI certified, Low-Lead compliant, Low NOx (SCAQMD Rule 1146.2 - California & Texas, NG models only)