Sign In to View Pricing & Availability
- The Polaris is a light duty, fully condensing high efficiency commercial gas water heater. It can provide endless hot water and can be used for a combination of domestic hot water and space heating.
Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.
A.O Smith® Polaris® Gas Water Heater, High-Efficiency, Series: BSS-150, 150000 Btu/hr Heating, Natural Gas, 34 gal Tank, Power Direct Vent, 2 and 3 in Vent, 190 gph at 90 deg Rise Recovery, 94% Energy Efficient, 1 in Water Connection, 150 psi, Ultra Low NOx: Yes, ASME(Yes/No): No, 444 Stainless Steel, 22 in Dia x 48-1/2 in H
- Condensing design - Operates at up to 96% thermal efficiency which saves money on operating costs compared to a standard 80% efficient gas water heater
- Helical internal heat exchanger keeps hot combustion gases in the tank longer to extract more heat into the water
- Tank and helical heat exchanger are constructed from 444 stainless steel for excellent corrosion resistance without the need for an anode
- Whisper quiet operation - Ultra quiet blower and burner to minimize noise
- Power direct vent design - Direct vent using PVC, CPVC or Polypropylene (solid core only) through a sidewall or roof
- 2 in pipe vents up to 52 ft equivalent
- Advanced electronic control - Large touch screen display
- Precise temperature control
- Advanced water heater status and diagnostics
- Fully serviceable from the front - Two front access panels expose all serviceable components
- Modular components are all easily removed
- Ultra low NOx modulating burner - Enhanced Ultra-low NOx burner complies with SCAQMD Rule 1146.2 and other air quality management districts with similar requirements for NOx emissions of less than 14 ng/J
- Modulating burner maintains high efficiency operation at lower input rate
- Side-mounted hot and cold recirculating taps - Polaris can be easily installed with a recirculation system or as part of a combined domestic and space heating system
- Temperature and Pressure Relief Valve
- Fuel TypeNatural GasHeating Capacity150,000 BTU/hrTall or ShortTallTank Capacity34 galUltra Low NOxYesVent TypePower DirectASME(Yes / No)NoDimensions22 in Dia x 48-1/2 in HEnergy Efficiency94ManufacturerA.O. SmithManufacturer #100279583Material444 Stainless SteelPressure Rating150 psiRecovery Rate190 gph at 90 deg RiseSeriesBSS-150Vent Size2 and 3 inWater Connection1 in