Water Heater Gas Tank
A.O. Smith Vertex Ultra-Low NOx PDV
A.O. Smith Vertex Ultra-Low NOx Power Direct Vent gas water heater with high-output performance, sealed combustion direct venting, and residential natural gas operation with LP conversion capability.
Vent Type
Power Direct Vent
Fuel
Natural Gas (LP convertible)
Emissions
Ultra-Low NOx
Thermal Efficiency
96%
Power Source
GAS
Voltage
120V
Model Comparison
2 models
| Specification | 50 gal | 75 gal |
|---|---|---|
| Model | HDHE-50 400 | HDHE-75 400 |
| UEF | 0.88 | 0.86 |
| First Hour Rating | 118 gal | 150 gal |
| BTU Input | 100,000 BTU | 100,000 BTU |
| Recovery (GPH @ 90°F rise) | 129 GPH | — |
| Height | 66.75" | 65.25" |
| Diameter | 22" | 27.75" |
| Height to T&P | 49.25" | 45.62" |
| Rated Storage Volume | 49 gal | 74 gal |
| Shipping Weight | 256 lbs | 388 lbs |
| Shipping Height | 78.38" | 76" |
| Shipping Length | 31.25" | 37" |
| Shipping Width | 28.5" | 34" |
Shared Specifications
All models| Vent Type | Power Direct Vent |
| Fuel | Natural Gas (LP convertible) |
| Emissions | Ultra-Low NOx |
| Thermal Efficiency | 96% |
| Power Source | GAS |
| Voltage | 120V |
| Amperes | 5A |
| Connection Location | TOP |
| Water Connection | 3/4 in |
| Installation | INDOOR |
| Application | RESIDENTIAL |
| Warranty — Tank | 8 yr |
| Warranty — Parts | 8 yr |
| ENERGY STAR® | Yes |
| ASME Certified | No |
| Side Loop | Yes |
| T&P Relief Valve | Yes |
| Type | Water Heater |