An apparatus for connecting a reservoir (1) to a conduit (5), such as infusion set tubing, comprises a cap (12) adapted for attachment to the reservoir, and a conduit cavity (22) disposed in the cap and adapted to secure the conduit to the cap. The cap further comprises at least one engagement member (34, 19, 23) adapted to engage the cap within a housing (30), such as the housing of an infusion pump, A corresponding connection method is described.