Graf one2clean Manual De Instalación página 21

19.
In systems with two pipe aerators, use a Y-
piece to join the hoses of the two pipe aerators.
21.
Secure the sampling tank to the tank dome with
a Spax screw.
4. Assembling the set-up kit
Assemble the tank dome according to the installation
instructions (seal!).
Connect the air hose (13 mm) to the in-feed jack.
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20.
22.