A.O. Smith Signature Series Condensing Tankless Water Heater 40.1 L/min
The A.O. Smith Signature Series Premium Condensing Gas Tankless Water Heater delivers continuous, energy-efficient hot water on demand with an integrated recirculation pump. Designed for flexible indoor or outdoor wall-mount installation, it features dual recirculation scheduling to ensure hot water is readily available during peak demand hours.
Built with a heavy-duty single stainless steel heat exchanger to enhance durability and reduce internal welds, this unit offers field convertibility between natural gas and propane. The digital control display provides real-time status monitoring, scheduling access, and error diagnostics for reliable daily operation.
Key Features
| Brand | A.O. Smith |
| Product Type | Tankless Water Heater |
| Fuel Type | Natural gas/Liquid propane |
| Maximum Flow Rate | 39.7 L/min |
| Uniform Energy Factor | 0.95 |
| Height | 85.9 cm |
| Width | 41.9 cm |
| Depth | 40.9 cm |
| Weight | 47.2 kg |
| Installation Type | Wall mount |
| Use Location | Indoor/Outdoor |
| Vent Type | PVC/CPVC |
| Display Type | Digital |
| Water Connection Size | 3/4-in |
| Heat Exchanger Material | Stainless Steel |
| ENERGY STAR Certified | Yes |
| AHRI Certified | Yes |
| Safety Listing | CSA safety listing |
| Warranty | 15-year limited |
Highlights
- Integrated recirculation pump with programmable timer schedules for rapid hot water delivery
- Premium condensing design with a 0.95 Uniform Energy Factor for high-efficiency operation
- Durable single stainless steel heat exchanger minimizes internal welds for long-term reliability
- Field convertible design operates on either natural gas or liquid propane
- Flexible wall-mount configuration approved for indoor and outdoor installations
- Digital display allows straightforward control, status monitoring, and diagnostic troubleshooting
Materials & care
Constructed with a heavy-duty stainless steel heat exchanger and a corrosion-resistant exterior casing suitable for indoor or outdoor wall mounting. Regularly flush the system to prevent mineral scale accumulation and inspect the PVC/CPVC venting according to local codes and manufacturer guidelines.
Warranty
15-year limited warrantyDownloads
Frequently asked questions
|
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
Orders typically ship within 5–7 business days. Returns are accepted within 30 days of delivery — see our Shipping Policy and Refund & Return Policy pages for full details.