Shutting Down The Boiler - Buderus GB142-24 User Instructions

Starting up and shutting down the boiler
3.2

Shutting down the boiler

Set the main switch on the basic controller to position "0"
(Off).
Close the gas shut-off valve and disconnect the boiler from
A
the power supply.
DANGER!
The heating system may freeze if it is not operational in
times of freezing weather.
– Protect the heating system against freezing if there
is a danger of frost affecting the system.
– Drain the heating system water from the lowest
point of the heating system using the boiler drain.
The vent screw at the highest point of the heating
system must then be open.
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