37AHB Series Hydronic Furnace
Dimensions
| A |
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| B |
| C | D |
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| E | ||
UNIT SIZE | in. |
| mm | in. | mm | in. | mm | in. | mm | in. |
| mm |
37AHB04508KA5 (AHB45) | 14 |
| 355.6 | 18 | 457.2 | 12 | 304.8 | 10 - 1/2 | 266.7 | 19 |
| 482.6 |
37AHB06012KA5 (AHB60) | 17 |
| 444.5 | 18 | 457.2 | 16 | 406.4 | 16 - 11/16 | 423.9 | 19 - 1/4 |
| 489 |
37AHB07514KA5 (AHB75) | 21 |
| 533.4 | 18 | 457.2 | 20 | 508 | 18 - 11/16 | 474.7 | 19 - 1/2 |
| 495.3 |
37AHB09016KA5 (AHB90) | 24 - 1/2 |
| 622.3 | 18 | 457.2 | 24 | 609.6 | 21 - 1/8 | 536.6 | 19 |
| 482.6 |
TOP/PLENUM
zero
C
B
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| BACK |
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| 1" | SIDE | zero |
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| zero |
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| 17 13/16" |
| 34" |
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| 2 1/8" |
| 17 13/16" |
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| FRONT | SIDE |
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| zero | |
| E | 18 5/16" |
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| zero |
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| 1" |
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D | 6" |
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| SERVICING |
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| 22" |
| 24” (610 mm) |
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A | 1 3/8" |
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| BOTTOM |
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| zero |
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| Minimum Clearance to |
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| Combustible Construction | |
Warranty |
| Parts: 5 years * / Labor: | 1 year * | ||
*In order to receive full warranty coverage on the Hyrdronic Furnace when connected to any other type or brand of product other than a Rinnai tankless water heater, the flow rate through the Hydronic Furnace must not exceed a maximum of 5 GPM.
Rinnai will repair or replace the covered product or any part or component that is defective in materials or workmanship as set forth.
Rinnai will pay reasonable labor charges associated with the repair or replacement of any such part or component.
All repair parts must be genuine Rinnai parts. All repairs or replacements must be performed by an individual or servicing company that is properly trained, state qualified or licensed to do the type of repair.
