Technical data

19
© Baxi Heating UK Ltd 2014
5.0 Site Requirements
5.11 Condensate Disposal Pipe Runs (cont.)
7. When A to B at max. (2.5m) B to C can be up to 8m
8. When B to C at max. (10m) A to B can be up to 0.5m
See Table for maximum no. of elbows
9. If the entire length of discharge pipe is 10mm diameter pipe
the point of discharge into a drain or similar must be a
MINIMUM of 150mm above the base of the boiler to prevent
syphonic action emptying the sump (Fig. 16).
A
B
C
150mm MIN.
Point of
discharge
10mm dia.
pipe
Maximum Vertical Run (m) A - B
Maximum Horizontal Run (m) B - C
Maximum No. of 90° Elbows*
2.5
8.0
4
2.0
8.5
5
1.5
9.0
6
1.0
9.5
7
0.5
10.0
8
* The 90° ‘Speedfit’ Elbow in Fig. 2 MUST be
included in the maximum allowed
Fig. 15
Fig. 16
{
10mm pipe
supplied with
boiler
For examples of termination
see Figs. 17 to 21