Viessmann VITODENS 222-F Installation Instructions Manual page 24

Boiler Connections
Vertical Piping Installation
24
Vitodens 222-F, B2TA 19 and 35 Installation
1. Install the O-rings over the male connection boiler
fittings. Ensure that the O-rings are properly seated
in the groove.
2. Slide the insulation sleeve over the DHW pipe
(as shown).
3. Install the pipes through the top cutouts of the boiler.
4. Align the pipes to the boiler fittings and push from
the top until snug.
5. Secure the ends of the pipes into the appropriate
restraining rings.