3. Installation
ä Warning!
NEVER turn on the power during installation to prevent damage
to the product.
Make the following preparations:
● Turn OFF the electric circuit to which the heater is going to be
connected in the meter box.
● Shut off the water mains stop tap and release the pressure in
the system before starting work.
● Mark the hot and cold water connections.
● Remove the current heater if present.
● Flush the water pipes before connecting them.
To replace an existing heater, follow the instructions under Existing
heater replacement on page 10.
Otherwise, continue from New installation on page 12.
3.1. Boiler seating
If the wall's strength is not sufficient to support the mounting of 80
L, 120 L or 150 L heater models, the Itho Daalderop boiler seating
can be used to provide additional support for the wall mounting.
ä Caution!
The boiler seating is NOT suitable for independently supporting
the heater without a wall mounting.
9
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