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7- Unscrew the hydraulic connectors (upper & lower) of the electrical heater
8- Remove carefully the electrical heater
9- Remove carefully the safety thermostats
Pay attention to the safety
thermostats and their wiring
CAUTION
These thermostats are very important for safety.
Pay attention that they must be
mounted on the new heater carefully
respecting position & the factory
assy type.
Check that contact between
thermostats caps and heater body
is correct; use thermal paste.