The connection to the condensate drain of the boiler, and the condensate drain pipework
itself, should be properly sealed to ensure there is no possibility of leakage into the
dwelling.
A minimum slope downwards towards the drain of 1 in 20 is essential. Freezing of the
termination and pipework must be prevented. Any drainage pipes outside the property
must be at least 32 mm
inside
diameter.
WD388/0/2004 Chapter 3 : Boiler Location
The Keston C36 Combi & C36P Combi Boilers
Installation & Servicing Instructions
Page : 19
