Wolf MGK-130 Maintenance Instructions Manual page 4

"NB" indicates technical instructions that
NB
you must observe to prevent material losses
and malfunctions on the boiler.
General information
Maintenance work must only be carried out
by a qualified heating contractor.
Regular maintenance and the exclusive use
of original Wolf spare parts are of crucial
importance to the trouble-free operation
and long service life of your appliance.
We therefore recommend you arrange a
maintenance contract with a local heating
contractor.
4
Safety instructions
MGK-170/210/250/300
Fig.: Gas combination valve.
Fig.: Gas connection: Escaping gas may cause
Danger from electrical voltage.
Escaping gas may cause poisoning or an
explosion.
poisoning or the risk of explosion.
MGK-130
3062882_0910