The invention relates to a removable unit (1) for an apparatus (2) for connecting and disconnecting a tubular fitting (24) to a connector (14), comprising: a body (16) having: a first port (18) and a second port (20), each said ports configured for receiving an end cap (22) of the tubular fitting (24), and a connector holder (26) being disposed between said first and second ports (18, 20), and configured for accommodating insertion of the connector (14) wherein said body (16) is configured to be connected to said apparatus (2) in a releasable fashion.
