Water Heater Gas Tank
A.O. Smith ProLine Master Ultra-Low NOx Atmospheric Vent Gas
A.O. Smith ProLine Master Ultra-Low NOx atmospheric vent natural gas tank water heater compliant with SCAQMD and BAAQMD air quality standards. 50-gallon capacity with an 8-year limited tank and parts warranty.
Vent Type
Atmospheric
Fuel
Natural Gas
Emissions
Ultra-Low NOx
Ignition
Pilot with Piezo Igniter
Flue Diameter
4"
Power Source
GAS
Model Comparison
1 models
| Specification | 50 gal |
|---|---|
| Model | HUR-50 450 |
| UEF | 0.64 |
| First Hour Rating | 84 gal |
| Rated Storage Volume | 48 gal |
| BTU Input | 40,000 BTU |
| Height | 57" |
| Height to T&P | 50.5" |
| Diameter | 22" |
| Shipping Weight | 161 lbs |
| Shipping Height | 61" |
| Shipping Length | 26.63" |
| Shipping Width | 23.13" |
Shared Specifications
All models| Vent Type | Atmospheric |
| Fuel | Natural Gas |
| Emissions | Ultra-Low NOx |
| Ignition | Pilot with Piezo Igniter |
| Flue Diameter | 4" |
| Power Source | GAS |
| Connection Location | TOP |
| Water Connection | 3/4 in |
| Installation | INDOOR |
| Application | RESIDENTIAL |
| Warranty — Tank | 8 yr |
| Warranty — Parts | 8 yr |
| ASME Certified | No |
| Side Loop | No |
| T&P Relief Valve | Yes |
| Type | Water Heater |