Removing The Boiler From The Pre-Plumbing Jig Or Mounting Frame - Viessmann Vitodens 200-W B2HE Installation And Service Instructions Manual

Troubleshooting
Repairs
(cont.)

Removing the boiler from the pre-plumbing jig or mounting frame

2.
Fig. 50
Note
Use new gaskets and, if required, new locking ring
connections when assembling.
Internal gasket diameter:
Gas connection Ø 18.5 mm
■
Connections on the heating water side Ø 17.0 mm
■
Gaskets and locking ring connections are available as
spare parts (if required).
98
3 7
3 7
4.
3.
1.
Note
When carrying out any work on gas connection fittings,
counterhold with a suitable tool. Never transfer any
forces to the internal components.
Danger
Escaping gas leads to a risk of explosion.
Check all connections on the gas side (also
inside the appliance) for tightness.