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Installation
35
Direct connection of the washer drain to the manifold (Fig. 3.3)
Facilities preferring this option to the open box option (recommended option) must respect the following
precautions:
Provide next to the connection point of each machine to the manifold, with a manifold ventilation outlet A
reaching the outside, set at a height of 40 in (1000 mm) and of a diameter of 2 in (50 mm).
Diameter of B manifold: refer to table on section 2.5.
The emptying of the drain trap to the sewer system is done through an open drain box (Fig. 3.3/B and C) which
prevents variations in pressure and backflow to the drain. The end of the drain trap must not be sunk in the
box.
Fig. 3.3
Cod.nº 429043
Rev. No. 21/0519
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