Remove the 6 plastic plugs and place the defective plugs, air vent, valve and/or lockshield valve at
the
rear.
Two-pipe system scheme
Locate the air-vent within the upper inlet; if necessary, withdraw the integrated valve (only needed
for one-pipe systems).
One-pipe system scheme
The air-vent must be located within the upper inlet.
1
6
Recommended type of valve:
2
3
5
4