1. Install a gas shut-off valve A.
Conversion to other gas
types:
Conversion kit installation
instructions
Notes regarding operation with
LPG
For the installation of boilers below
ground level, we recommend the
installation of an external safety
solenoid valve in conjunction with
internal extension H1.
2. Carry out a leak/soundness test.
!
Please note
Excessive test pressure
may damage the boiler and
the gas valve.
Max. test pressure
150 mbar. Where higher
pressure is required for
soundness tests, separate
the boiler and the gas valves
from the gas supply pipe
(undo the fitting).
3. Vent the gas supply pipe.