5 2025 Waterfall skin fitting/drain well for transoms REGISTERED DESIGN 13° INCLINATION FAST INSTALLATION ISO 9093 This system ensures the following advantages in a single product: • Easy installation (1 operator only) • Pre-assembly of the gate valve and hose holder at the workbench (threaded version) • Locknut for positioning the gate valve in the desired position (threaded version); • Drainage without unwanted siphon formation thanks to 13° inclination • Integrated non-return valve in case of reverse • Stainless steel finishing without visible screws. Assembly sequence: • Workbench pre-assembly of gate valve and hose holder (option to choose valve handle positioning) • Insertion of the pre-assembled module from inside (optional pre-fixation with self-tapping screws from inside) - end of internal installation; • Screw tightening of the final fixing nut from outside • Cutting of the exceeding part • Non-return valve plate mounting; • Stainless steel finish clip mounting. Code Thread A Internal connection B For thick bulkheads (mm) Net passage mm 17.397.06 1’’ ½ GAS Hose holder 38 mm 10 - 60 Ø 36 17.398.06 1’’ ½ GAS Thread 1’’ 1/2 10 - 60 Ø 36 Made of glass-filled Nylon, ideal for coupling with type 17.233.xx plastic shutters 2 3 4 Easy pre-assembling SS cover for a screw-less look Non-return valve 13° 1 Valve 90° \ 17.398.06 \ 17.397.06
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