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- Self-Cleaning Hydro Cannon™
- Automatic Flue Damper (120 - 390 Models)
- Three Water Connection Options
- 180,000 BTU input
- Delivers 173 GPH at 100°F Rise
- 3-Year Warranty
- 310,000 BTU input
- Delivers 298 GPH at 100°F Rise
- 3-Year Warranty
- Self-Cleaning Hydro Cannon™
- Automatic Flue Damper (120 - 390 Models)
- Three Water Connection Options
- 390,000 BTU input
- Delivers 388 GPH at 100°F Rise
- 3-Year Warranty
- 366,000 BTU input
- Delivers 352 GPH at 100°F Rise
- 3-Year Warranty
- 390,000 BTU input
- Delivers 375 GPH at 100°F Rise
- 3-Year Warranty
- 390,000 BTU input
- Delivers 388 GPH at 100°F Rise
- 3-Year Warranty
- 199,000 BTU input
- Delivers 191 GPH at 100°F Rise
- 3-Year Warranty
- 275,000 BTU input
- Delivers 264 GPH at 100°F Rise
- 3-Year Warranty
- Self-Cleaning Hydro Cannon™
- Automatic Flue Damper (120 - 390 Models)
- Three Water Connection Options
- Self-Cleaning Hydro Cannon™
- Automatic Flue Damper (120 - 390 Models)
- Three Water Connection Options
- 365,000 BTU input
- Delivers 354 GPH at 100°F Rise
- 3-Year Warranty
- 251,000 BTU input
- Delivers 243 GPH at 100°F Rise
- 3-Year Warranty
- 305,000 BTU input
- Delivers 296 GPH at 100°F Rise
- 3-Year Warranty
Showing 1-15 of 58
Commercial Gas Water Heaters Built for Your Business
A. O. Smith commercial gas heaters are built to handle the constant hot water demands of restaurants, hotels, office buildings, and laundry facilities. When your business depends on reliable hot water, you need equipment that won't let you down.
Our Cyclone® series has been the go-to choice for over 30 years because it just works. You get 95% or higher thermal efficiency, leading to lower operating costs month after month. Models range from 60-gallon units to massive Cyclone® XL systems with 1 million BTU capacity, so there's a size that fits your needs. AIQ® adaptive gas technology automatically adjusts to your gas quality throughout the heater's life. You get consistent performance without constant adjustments, which means fewer service calls and less downtime for your business.
Need help choosing the right size? Start by using our A.O Smith Pro-Size tool, or connect with a local, certified installer who specializes in commercial systems and can help you find the perfect water heater for your specific needs.
