Product Description:ENERGY STAR Certified Bradford White TTW Defender Safety System 50 Gallon Tall Residential Gas Natural Power Vent Water Heater. Energy Source: Gas; Fuel Type: Natural Gas Vent Category III Input: 40000 BTU/Hr Output: 40000 BTU/Hr Turndown Ratio: On/Off Nitrogen Oxide Emissions NOx: No it does not comply with jurisdictions having 10ng/J NOx Regulations Installation Guide
- Energy Source: Gas; Fuel Type: Natural Gas
- Vent Category III
- Input: 40000 BTU/Hr
- Output: 40000 BTU/Hr
- Turndown Ratio: On/Off
- Nitrogen Oxide Emissions NOx: No it does not comply with jurisdictions having 10ng/J NOx Regulations