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How to change a ballafix isolation valve for a full bore lever valve.
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How to fit a water isolation valve | Tutorial | Video Guide
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How to Fit an Isolation Valve on Copper Water Pipe
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Evde bujilerden basit bir kaynak makinesi nasıl yapılır! Son derece kolay ve kullanışlı
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How to fix a leaking isolation (ballofix) valve?
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Compression Fittings Tutorial
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