2. Choose buffer tanks automaticaly welded in the factory.
3. Check internal corrosion protection compliance.
4. Check the correct number and possition of additional heat exchangers and hoses.
5. Check secondary hoses are enough and correctly positioned.
6. Check vessel insulation. A 10cm soft polyurethane (foam) covered with leatherette jacket which closes with a zipper.
7. Overall finishing and aesthetics should also be checked.