Bosch Integra 500 - Page 17

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Installation instructions
17
Concentric Pipe Example
Exhaust
• 3 - 3’ straight sections
• 1 - 2’ straight section
– Total length 11'
• 1 - 90° elbow.
Intake
• 2 - 3’ straight sections
• 1 - 2’ straight sections
– Total length 8'
• 3 - 45° elbow.
Summary
Exhaust
1
Straight section length __ = ____
2
90° elbows (qty) __ x 5 = ____
3
45° elbows (qty) __ x 3 = ____
4 Total:
____
Intake
1
Straight section length __ x 1 = ____
2
90° elbows (qty) __ x 5 = ____
3
45° elbows (qty) __ x 3 = ____
4
Total: ____
5
Total equivalent vent length = ____
Table 10Determining vent length combination (see
example in Table 11)
Exhaust
Straight section length (feet) 11 x 1 = 11
90° elbows (qty) 0 x 5 = 0
45° elbows (qty) 0 x 3 = 0
Total: 11
Intake
Straight section length (feet) 8 x 1 = 8
90° elbows (qty) 0 x 5 = 0
45° elbows (qty) 1 x 3 = 3
Total: 11
Total equivalent vent length = 22
Table 11 Determining vent length combination
example for concentric terminal
i
Total equivalent length must not exceed
62 ft for separate pipes.
Total equivalent length must not exceed
46 ft for concentric terminal.