The Imperial gas water heater line features the Guardian System™ and a 10 year limited tank and parts warranty
Efficiency
- .58 - .62 EF
- More hot water at a low operating cost
Performance
- FHR up to 150 gallons for natural gas
- Recovery rate is 38.4 - 75.8 gallons at a 90ºF degree rise
Guardian System™ & Sensor
- Maintenance free – no filter to clean
- Disables the heater in the presence of flammable vapor accumulation
Low Emissions
- Eco-friendly burner, low NOx design
- 10 ng/j, 14ng/j, and 40ng/j NOx Compliant Products
Longer Life
- Patented magnesium anode rod with resistor protects the tank from rust
High Altitude Compliant
- All models certified up to 6,000 ft. above sea level
- Some models certified up to 8,500 feet or 10,200 feet. above sea level, check factory for listings
Plus…
- Easy to light – no matches required
- Brass drain valve and temperature and pressure relief valve are included
- Standard replacement parts
| DESCRIPTION |
ENERGY INFO |
IMPERIAL MODELS
|
| TYPE |
GAL CAP. |
MODEL NUMBER |
ENERGY
FACTOR
NAT.
|
ENERGY STAR® |
|
STANDARD IMPERIAL ULTRA LOW NOx MODELS
|
TALL (HE)
|
40 |
42XR40-40F |
0.62 |
|
| 50 |
42XR50-40F |
0.62 |
|
TALL
|
38 |
42X40F |
0.60 |
|
| 40 |
22X40F1 |
0.59 |
|
| 50 |
22X50F1 |
0.58 |
|
| 50 |
42X50-40F |
0.58 |
|
| SHORT |
40 |
22X40SF |
0.59 |
|
| 40 |
42X40SF |
0.59 |
|
| IMPERIAL ULTRA LOW NOx MODELS
|
| TALL
|
30 |
22X30FN
|
0.62 |
|
| 38 |
22X40F
|
0.60 |
|
38
|
22XR40FN |
0.62 |
|
| 40 |
22X50FN
|
0.58 |
|
| 36 |
22XR50FN |
0.62 |
|
SHORT
|
36 |
22X40SFN |
0.60 |
|
|
IMPERIAL HEAVY DUTY ULTRA LOW NOx MODELS
|
| TALL |
98
|
42X100UF
|
N/A |
|