<html><head></head><body><div class="yahoo-style-wrap" style="font-family:times new roman, new york, times, serif;font-size:16px;"><div dir="ltr" data-setdir="false">Hello!</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I'm using type 647 (diverting valve) to provide the inlet liquid flow for type 928 (fan coils used to heat a building). I receive the warning: "A duplicate of type 647 was found in TESS_Hydronics_v.17.2.0164.dll". </div><div dir="ltr" data-setdir="false">I receive a similar message for type 682 which is also included in my project. I get this warnings only when I apply a control signal for the operation of the ventilation fan of type 928. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Gabriela</div><div dir="ltr" data-setdir="false"><br></div></div></body></html>