Tankless
Water Heater
vs
Storage Tank Water Heater
| Features: |
T-K
1
|
T-K 2 | T-KD20 | T-M 1 |
Storage
Tank
|
|||
| First Hour Rating |
216
gal/hr
|
240 gal/hr | 240 gal/hr | 300 gal/hr | 135 gal/hour | 74 gal/hour | ||
| BTU input |
37,000
- 165,000
|
20,000 - 185,000 | 20,000 - 185,000 | 25,000 - 235,000 | 75,000 | 40,000 | ||
| Tank size |
Unnecessary
|
Unnecessary | Unnecessary | Unnecessary | 100 gal | 50 gal | ||
| Thermal Efficiency |
83%
|
83% | 83% | NG:
82% LP: 84.7% |
76% | 76% | ||
| Energy Factor -- | ||||||||
|
Natural Gas |
0.81
|
0.81 | 0.81 | 0.81 | 0.48 | 0.54 | ||
|
LP Gas |
0.84
|
0.84 | 0.84 | 0.84 | 0.44 | 0.53 | ||
| Size in Cubic Ft. |
2.2
|
2.2 | 2.2 | 2.2 | 24 | 30 | ||
| Dimensions |
H:
24.5"
W: 16.5" D: 8.3" |
H:
24.5" W: 16.5" D: 8.3" |
H:
24.5" W: 16.5" D: 8.3" |
H:
24" W: 18" D: 9" |
H:
64: D: 26.25" |
H:
57" D: 19.75" |
||
| Weight | 60 lbs | 60 lbs | 60 lbs | 70 lbs | 200+ lbs | 100+ lbs | ||
| Modulating Gas Valve |
Yes
|
Yes | Yes | Yes | No | No | ||
| Computer Controls |
Yes
|
Yes | Yes | Yes | No | No | ||
| Electronic Ignition |
Yes
|
Yes | Yes | Yes | No | No | ||
| Built-in Power Vent |
Yes
|
Yes | Yes | Yes | Optional | Optional | ||
| Wall Hanging |
Yes
(optional)
|
Yes (optional) | Yes (optional) | Required | No | No | ||
| Life Expectancy |
23-30
years
|
23-30 years | 23-30 years | 23-30 years | 2-10 years | 2-10 years | ||
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