60
Figure 1 – Connection of condensate discharge pipe to internal soil and vent stack.
Note – Check manufacturer’s instructions to see if an air break is required.
Key
1 Boiler
2 Visible air break
3 75 mm trap
4 Visible air break and trap not required if there is a trap with a minimum condensate seal
of 75 mm incorporated into the boiler
5 Soil and vent stack
6 Invert
7 450 mm minimum up to three storeys
8 Minimum internal diameter 19 mm
1
2 5
4
8
3
7
6
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