dan, is it normal that the fittings dont enter in the outlet or the inlet more than 2 mm ? ( no more than 2 full turns )i have tested qith the fittings shipped with the pumps and with the parker 1/4" ntp fittings, same result. on some of the pumps we recieved here in france ( the melpheos groped order) the fittings doesnt even enter for 1 turn.
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