QUESTIONNAIRE
(if you have some doubt about the fill-up of this questionnaire please call us)
Remarks about the
fill-in of this questionnaire
*) the fill-in of these fields are compulsory
**) should be fill-up dhw capacity and buffer tank or dhw flows
***) if instead closed expansion tank an expansion/fill-up system is required please specify and see the appropriate questionnaire
os) means "out of standard" requirements