Takagi Outdoor Tankless High Efficiency Condensing Water Heater (LP)

Ultra-Low NOx Condensing Technology Provides Significant Energy Cost Savings - Unprecedented 0.95 Energy Factor ENERGY STAR® Qualified Durable HRS35 Commercial-Grade Copper Primary Heat Exchanger Type 316L Stainless Steel Secondary Heat Exchanger Electronic Ignition - No Pilot Light Indoor Model has Built-in Temperature Controller and Diagnostics Outdoor Model has Temperature Controller and Diagnostics Included Factory-Installed Power Cord Included for Indoor Models Complies with Lead Free Standards Suitable for Commercial Application (T-H3 Models) Easy-Link up to 4 Units with no Additional Parts or Accessories Needed (T-H3 Models) Multi-Link up to 20 Units (T-H3 models only) Internal Freeze Protection System Power Direct Vent Design Provides Flexible Venting with PVC, CPVC or ABS Intake and Exhaust (solid core only)