![Xtremely Small Footprint](/images/new-backgrounds/35612/356129x1.webp)
Xtremely Small Footprint
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5 |
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| TOP VIEW |
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| K FLUE CONNECTION |
| H WATER INLET |
| A |
| 7/8” ELECTRICAL |
| H WATER OUTLET | 22 |
| T COMBUSTION AIR | CONNECTIONS |
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| G GAS | |||
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| CONNECTION | ||
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| (OPTIONAL) |
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| 3/4” NPT PVC CONDENSATE |
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| DRAIN CONNECTION |
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| 32 |
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| E |
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| 7 | |
| 9/16” |
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| MOUNTING |
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| V | |
| HOLES 4X |
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| F |
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| 13 | |
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| LEFT VIEW | FRONT | RIGHT VIEW | REAR |
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PHYSICAL DATA
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| Dimensions (in.) |
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| Ship |
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Model |
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| Weight |
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| Amps* | |
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| E |
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| G |
| H |
| K |
| T |
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| Length |
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| Mounting |
| NPT |
| NPT |
| Flue Ø |
| C/A | Ø |
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| (lbs.) |
| (ft2) |
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300 | 28 - 1/4 | 16 - 1/2 | 27 - 9/16 | 3/4 | 1 - 1/2 | 4 | 4 | 3 | 410 |
| 6.6 |
| 3 | ||||||||||
500 | 37 - 1/4 | 16 - 1/2 | 36 - 1/4 | 1 | 1 - 1/2 | 4 | 4 | 3 | 505 |
| 7.9 |
| 4 | ||||||||||
850 | 54 - 1/4 | 28 | 53 - 9/16 | 1 - 1/4 | 2 | 6 | 6 | 19 - 3/8 | 580 |
| 9.5 |
| 5 |
Ratings shown are for elevations up to 10,000 feet. For installations at elevations above 2,000 feet, derate may apply, please consult the factory for additional instructions.
*Current Draw is for heater only. (Supply breaker must have delayed trip.)
MBTUH
Model |
| MBTUH |
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| Boiler |
| MBTUH |
| Water Heaters |
| Minimum | ||||
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| Input |
| Output |
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| Efficiency |
| Input |
| Output |
| Efficiency |
| Input | |
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300 | 300 | 282 | 94% | 300 |
| 282 | 94% | 60 | |||||||
500 | 500 | 470 | 94% | 500 |
| 470 | 94% | 100 | |||||||
850 | 850 | 799 | 94% | 850 |
| 799 | 94% | 170 |
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| Heater |
| Certified |
| Service |
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| Side |
| Minimum |
| Minimum |
CLEARANCES |
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| Top | 12” |
| 24” | ||
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| Front | 24” |
| 24” | |
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| Rear | 24” |
| 24” | |
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| Right | 0” |
| 0” | |
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| Left | 0” |
| 0” | |
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| Floor | 0” | |||
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| Vent | 1” |
*Do not install on carpeting
Note: Local codes may require increased clearances
XFyre |
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| Water Heater Pump Sizes |
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| Soft |
| Medium |
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| Hard | ||||||||
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HP |
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| Amps |
| HP |
| Amps |
| HP |
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| Amps | ||
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300 |
| 1/8 | 1.3 | 1/4 | 5.7 |
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| Do not use when | ||||||||||||
500 |
| 1/8 | 1.3 | 1/2 | 6.9 |
| hardness exceeds | |||||||
850 |
| 1/2 | 6.9 | 1 | 14.0 |
| 15 grains per gallon | |||||||
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Note: Current draw (Amps) is for pump only
Water hardness grains per gallon
Soft =
Water above 15gpg requires water softner.
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