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IMPORTANT
The water hoses must be installed within sight.
They must not be walled up, installed in narrow tunnels or in places where they
cannot be reached and inspected.
The water hoses must not be insulated or covered with insulating material.
IMPORTANT
Do not install water hoses in tension or in torsion.
IMPORTANT
Do not install water hoses with bending radius (R) less than those quoted in the
ilustration below.