75
Removing the boiler from the pre-plumbing jig or mounting frame
1.
3.
4.
37
37
2.
Fig. 40
Note
When assembling, use new gaskets and, if required,
new locking ring fittings.
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
individual parts (if required).
Note
When carrying out any work on gas connection fittings,
hold 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.
Troubleshooting
Repairs
(cont.)
6179762
Diagnosis
