I would like inform regarding defect parts Damper thermostat case the Cam of Damper backspin itself (at the Cam have some oil very much )
We receive defected part Damper thermostat ( 3YMGV21310 ) from production in process Q’ty = 22 pcs.
So we request you please contact maker for improvement & replacement parts .
For quantity parts defect that waiting confirm with production again.