Please, find enclosed the correspondent CC-04 attachment.
Note that use WFI instead of PW is not a problem, as long as the temperature obligation is met: 20ºC (as noted in the last and official P&ID) Mandatory to perform properly the FIT.
Concerning the planning status, be informed that the equipment will be shipped next week.
You will receive details to release the corresponding payment.
Please do not hesitate to contact me if you require further information.