Water Heater Gas Tank
A.O. Smith ProLine Atmospheric Vent Gas
A.O. Smith ProLine atmospheric vent natural gas tank water heater with a 6-year limited tank and parts warranty for residential hot water applications.
Vent Type
Atmospheric
Fuel
Natural Gas (LP convertible)
Warranty — Tank
6 yr
Warranty — Parts
6 yr
ASME Certified
No
Application
RESIDENTIAL
Model Comparison
3 models
| Specification | 30 gal | 40 gal | 50 gal |
|---|---|---|---|
| Model | GCBL-30R 400 | GCR-40 410 | GCR-50 400 |
| UEF | 0.6 | 0.64 | 0.62 |
| BTU Input | 32,000 BTU | 40,000 BTU | 40,000 BTU |
| First Hour Rating | 65 gal | 80 gal | 84 gal |
| Height | 50.25" | 61.75" | 57" |
| Diameter | 18" | 20" | 22" |
| Shipping Weight | 114 lbs | 150 lbs | 161 lbs |
| Shipping Height | 50.31" | 62" | 61" |
| Shipping Length | 24.5" | 24.13" | 26.63" |
| Shipping Width | 19" | 21.13" | 23.13" |
Shared Specifications
All models| Vent Type | Atmospheric |
| Fuel | Natural Gas (LP convertible) |
| Warranty — Tank | 6 yr |
| Warranty — Parts | 6 yr |
| ASME Certified | No |
| Application | RESIDENTIAL |
| destination_country | US |
| Installation | INDOOR |
| Power Source | GAS |
| product_tier | ProLine® |
| Side Loop | No |
| T&P Relief Valve | Yes |
| Type | Water Heater |
| Connection Location | TOP |