A.O. Smith
A.O. Smith® 100281161 Tankless Water Heater With Integrated Recirculation Pump, Natural Gas, Residential
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- Ultra-Low NOx gas tankless water heaters with condensing technology featuring an up to 0.95 Uniform Energy Factor (UEF) which lowers operating costs and is environmentally friendly.
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A.O. Smith® Tankless Water Heater, 199000 Btu/hr Heating, Natural Gas, 3/4 in NPT Gas Connection, Electronic Spark Ignition, Power Direct Vent, 3 or 4 in Vent, Condensing/Non Condensing: Condensing, 10 gpm, 0.93, 3/4 in NPT Water Connection, 15 to 150 psi, Ultra Low NOx: Yes, Indoor/Outdoor: Indoor, 17-3/4 in W x 11-1/4 in D x 23-5/8 in H, Residential
- Includes integrated temperature and pump controls with advanced diagnostics that simplify installation and troubleshooting
- Durable heat exchanger - Primary heat exchanger is constructed of a commercial-grade copper that is more resilient to erosion
- Secondary heat exchanger is made of type 316L stainless steel to protect against corrosion
- Easy-link 540P with three other 540H to increase flow capacity
- Common vent up to 8 units
- Safety features - Air-fuel ratio (AFR) sensor, exhaust and water temperature safety, control and overheat cut-off fuse
- Internal freeze protection system
- Category III venting can be used
- Exhaust, 3 in PVC venting up to 70 Ft or 4 in PVC venting up to 100 Ft
- Provides flexible venting with PVC, CPVC or ABS pipe for intake and exhaust (solid core only)
- Model certified from 0 to 10100 ft elevations
- Factory-Installed Power Cord
- Commercial / Residential / DualResidentialEnergy Factor0.93Flow Rate10 gpmHeating Capacity199,000 BTU/hrIndoor / OutdoorIndoorUltra Low NOxYesVent Size3 in, 4 inVent TypePower DirectCondensing / Non-CondensingCondensingDimensions17-3/4 in W x 11-1/4 in D x 23-5/8 in HGas Connection3/4 in NPTIgnition TypeElectronic SparkManufacturerA.O. SmithManufacturer #100281161Pressure Rating15 to 150 psiWater Connection3/4 in NPT