QEV making strange noise
- sharpshooter11000
- Specialist 2

- Posts: 247
- Joined: Sat Aug 06, 2011 1:34 pm
- Location: UK
I'll check again tomorrow but I'm pretty sure the pilot is airtight. Although, the screeching is delayed if I push the handle of the ball valve (pilot) closed very tightly so I suppose it might be the pilot 
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