Smallest Installed Footprint
The MVB’s compact design allows for easy installation in the most challenging equip- ment rooms. It’s easy to handle and install, but still user friendly to service. The MVB has the smallest installed footprint of any vertical boiler, only 5.4 square feet. The MVB con- tains all of it’s components to the inside of the cabinet, so there won’t be any fans or valves hanging off the cabinet that need extra clearance. The compact design fits through a 30” door opening making it the perfect choice for those hard to reach retrofit projects.
MBTUH
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| Input | Output | Efficiency | Input | Output | Efficiency | Min. | |
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503 | IV | 500 | 435 | 87% | 500 | 435 | 87% | 125 |
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753 | IV | 750 | 653 | 87% | 750 | 653 | 87% | 188 |
1003 | IV | 999 | 869 | 87% | 999 | 869 | 87% | 250 |
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1253 | IV | 1250 | 1088 | 87% | 1250 | 1088 | 87% | 312 |
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1503 | IV | 1500 | 1305 | 87% | 1500 | 1305 | 87% | 375 |
1753 | IV | 1750 | 1523 | 87% | 1750 | 1523 | 87% | 438 |
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2003 | IV | 1999 | 1739 | 87% | 1999 | 1739 | 87% | 500 |
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504 | I* | 500 | 420 | 84% | 500 | 420 | 84% | 357ª |
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754 | I* | 750 | 630 | 84% | 750 | 630 | 84% | 536ª |
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1104 | I* | 1100 | 924 | 84% | 1045 | 888 | 85% | 786ª |
1504 | I* | 1500 | 1260 | 84% | 1425 | 1211 | 85% | 1071ª |
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2004 | I* | 1999 | 1679 | 84% | 1900 | 1615 | 85% | 1428ª |
*Category I with vertical vent, category III with horizontal venting and no extractor.
†Category IV requires sealed vent with condensate drain. Category I uses conventional B vent. ªBoilers only.
Note: Ratings are for natural or propane gas and for elevations up to 5,000 ft. above sea level. For higher elevations, consult the factory.
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| MVB | MVB | B | D | E | F | G† | H | M | M | N | P | R | V | Weight | ||||
| Cat. I* | Cat. IV | Ht. | NPT | NPT | Cat. I* | Cat. IV | Cat I* | Cat IV | CA Ø | (lbs.) |
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504 | 503 | 43 | 32 | 35 | 1 | 2 | 8 | 6 | 6 | 35 | 6 | 2 | 600 | 12 | |||||
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754 | 753 | 49 | 38 | 41 | 1 | 2 | 10 | 6 | 16 | 6 | 41 | 6 | 2 | 660 | 12 | ||||
PHYSICAL | |||||||||||||||||||
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1104 | 1003 | 55 | 44 | 47 | 10 | 6 | 16 | 6 | 47 | 6 | 2 | 720 | 12 | ||||||
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1504 | 1253 | 61 | 50 | 53 | 12 | 8 | 8 | 53 | 6 | 2 | 780 | 12 | |||||||
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| 1503 | 67 | 56 | 59 |
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| 2004 | 1753 | 75 | 62 | 65 | 2 | 14 | 8 | 8 | 68 | 9 | 5 | 940 | 18 | |||||
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| 2003 | 81 | 68 | 71 | 2 |
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*Category I with vertical vent, category III with horizontal venting and no extractor.
†NPT is for Natural Gas. For Propane, NPT= 1” for all water heater/boiler sizes.
‡Current draw is for heater only. (Supply breaker must have a delayed trip.)
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