Hello, I came across a blocked TXV strainer today, the gauze was fully blocked with a white chalky substance? I’m thinking moisture in the system? But I’ve never seen this before, can anyone shed any light picture should be attached? 7B492F9E-889E-410C-B0C2-5ADEA74D38A6.jpg
Thanks7B492F9E-889E-410C-B0C2-5ADEA74D38A6.jpg