Refrigeration unit

A refrigeration unit provided with a control means comprising a plurality of valves, the control means comprising a unitary valve manifold adapted to have at least two of said valves operatively mounted thereon, said valve manifold comprising a body having therein a first set of passages, for flow of refrigerant, at least one passage of the first set having a mounting to receive a said valve, said passages being provided in enlarged portions of the body which are of greater thickness than the thickness of the body between said enlarged portions, said body between said enlarged portions being generally planar.