Compression Fittings

 

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Diag Below: ORB: O-Ring-Boss


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Compression Fittings:
Metal: use ferrule + nut, tighten 1/2T
Plastic tube <= 3/8", plastic sleeve (ferule), nut, 1-1/2 - 2T
Plastic tube >= 1/2", Brass sleve (ferule) Steel tube, nut, 1-1/2 - 2 T
plastic tube (PEX): plastic ferrule + nut, no insert,
plastic tube: plastic ferrule + nut, brass insert (not steel),