Buderus Logamax plus GB142-24 Installation Instructions Manual page 17

Fig. 24 Horizontal venting system (sealed combustion) - Situation 2
[1] Exhaust 3" (80 mm)
[2] 3" × 1.5" (80 × 38.1 mm)
[3] Intake 3" (80 mm)
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2
1
5
Fig. 25 Vertical parallel venting system (sealed combustion) -
Situation 2
[1] Exhaust 3" (80 mm)
[2] 12" (300 mm) over maximum snow level or 24" (600 mm)
whichever is greater
[3] 24" min. (610 mm min.)
[4] Intake 3" (80 mm)
[5] 3" × 1.5" (80 × 38.1 mm)
Logamax plus GB142-24/30/45/60 – 6720820104 (2017/05)
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2
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72150200-22.1TD
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72150200-23.1TD
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Fig. 26 Horizontal parallel venting system (sealed combustion)
[1] Exhaust 3" (80 mm)
[2] 12" minimum
[3] Intake 3" (80 mm)
[4] 12" (300 mm) minimum
3
2
Fig. 27 Vertical venting system (non sealed combustion only)
[1] 3" × 1.5" (80 × 38.1 mm)
[2] Exhaust 3" (80 mm)
[3] 10"- 0" min. (250 mm - 0 mm min.)
[4] 12" (300 mm) over maximum snow level or 24" (600 mm)
whichever is greater
[5] Intake
Installation
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72150200-24.1TD
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72150200-25.1TD
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