Q175S / Q205S
DIMENSIONS
2.0” 50mm 
15”
381mm
4.7” 10.2”
120mm 260mm
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| Q175S, Q205S | ||
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| inch / mm | ||
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A | Height | 26.8 | / 680 | |
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B | Width | 26 / 660 | ||
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C | Depth | 15.2 | / 385 | |
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D | Left side / vent | 19.5 | / 495 | |
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E | Center to center / vent and air | 4.7 / 120 | ||
supply | ||||
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F | Back / vent | 10.6 | / 270 | |
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G | Left side / gas pipe | 2.6 | / 65 | |
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H | Left side / supply pipe | 7.3 / 185 | ||
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J | Left side / return pipe | 17.5 | / 445 | |
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K | Left side / condensate pipe | 20.9 | / 530 | |
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P | Pipe length of g | 0.7 | / 18 | |
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Q | Pipe length of c | 2 / 50 | ||
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R | Pipe length of e, f, k, r, and w | 2.3 | / 60 | |
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S | Back / center of pipe c | 1 / 25 | ||
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T | Back / Center of pipe g | 1.6 | / 40 | |
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U | Back, / center of pipe e, f, k, r, | 2 / 50 | ||
and w | ||||
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V | Pipe length vent | 2.6 | / 65 | |
Pipe length vent parallel | 5.8 / 147 | |||
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Clearances
18.6”
474mm
2.1” 
54mm 
[5.6”
142mm 
5.2” |
| 12” |
133mm | 17.2” | 305mm |
| 438mm 19.7” | |
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| 501mm |
| Minimum required | Recom- | |||
| clearance to | mended | |||
| combustibles and | service | |||
| clearances | ||||
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| inch / mm | inch / mm | |||
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Top | 2 | / 50 | 10 | / 250 | |
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Back |
| 0 |
| 0 | |
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Front | 6 / 150 | 24 | / 600 | ||
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Left side | 2 | / 50 | 2 | / 50 | |
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Right | 2 | / 50 | 2 | / 50 | |
side | |||||
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Floor / | 12 | / 300 | 30 | / 762 | |
Ground | |||||
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Vent |
| 0 |
| 0 | |
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Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 •
