An ice maker comprising: a dry compartment; and a wet compartment adjacent to the dry compartment and comprising: an evaporator; an evaporator case sized to receive the evaporator, the evaporator case comprising: a plurality of interior panels (207a, 261) joined to each other with snap-fit joints, each of the snap-fit joints comprising a tab and defining a slot, each of a plurality of seams formed between the interior panels defining a foam-tight seal and a water-tight seal; and a plurality of exterior panels, each of the plurality of exterior panels joined to a mating interior panel of the plurality of interior panels with slide joints, wherein the evaporator case is integrally insulated with blown foam insulation positioned inside an insulation cavity defined by and between the plurality of exterior panels and the plurality of interior panels, characterised in that the exterior panels and the interior panels together define a plurality of overflow insulation cavities (2794, 2994), wherein a standing rib (2884, 2984) and a wall body (2850, 2950) of a respective interior panel and an interior surface of the exterior panel define a respective overflow insulation cavity (2794, 2994) of the plurality of overflow insulation cavities, wherein the respective overflow insulation cavity is arranged such that the flow of blown foam from the insulation cavity into the respective overflow insulation cavity flows through a pair of gaps (2708, 2908). a dry compartment; and a wet compartment adjacent to the dry compartment and comprising: an evaporator; an evaporator case sized to receive the evaporator, the evaporator case comprising: a plurality of interior panels (207a, 261) joined to each other with snap-fit joints, each of the snap-fit joints comprising a tab and defining a slot, each of a plurality of seams formed between the interior panels defining a foam-tight seal and a water-tight seal; and a plurality of exterior panels, each of the plurality of exterior panels joined to a mating interior panel of the plurality of interior panels with slide joints, wherein the evaporator case is integrally insulated with blown foam insulation positioned inside an insulation cavity defined by and between the plurality of exterior panels and the plurality of interior panels, characterised in that the exterior panels and the interior panels together define a plurality of overflow insulation cavities (2794, 2994), wherein a standing rib (2884, 2984) and a wall body (2850, 2950) of a respective interior panel and an interior surface of the exterior panel define a respective overflow insulation cavity (2794, 2994) of the plurality of overflow insulation cavities, wherein the respective overflow insulation cavity is arranged such that the flow of blown foam from the insulation cavity into the respective overflow insulation cavity flows through a pair of gaps (2708, 2908). an evaporator; an evaporator case sized to receive the evaporator, the evaporator case comprising: a plurality of interior panels (207a, 261) joined to each other with snap-fit joints, each of the snap-fit joints comprising a tab and defining a slot, each of a plurality of seams formed between the interior panels defining a foam-tight seal and a water-tight seal; and a plurality of exterior panels, each of the plurality of exterior panels joined to a mating interior panel of the plurality of interior panels with slide joints, wherein the evaporator case is integrally insulated with blown foam insulation positioned inside an insulation cavity defined by and between the plurality of exterior panels and the plurality of interior panels, characterised in that the exterior panels and the interior panels together define a plurality of overflow insulation cavities (2794, 2994), wherein a standing rib (2884, 2984) and a wall body (2850, 2950) of a respective interior panel and an interior surface of the exterior panel define a respective overflow insulation cavity (2794, 2994) of the plurality of overflow insulation cavities, wherein the respective overflow insulation cavity is arranged such that the flow of blown foam from the insulation cavity into the respective overflow insulation cavity flows through a pair of gaps (2708, 2908). a plurality of interior panels (207a, 261) joined to each other with snap-fit joints, each of the snap-fit joints comprising a tab and defining a slot, each of a plurality of seams formed between the interior panels defining a foam-tight seal and a water-tight seal; and a plurality of exterior panels, each of the plurality of exterior panels joined to a mating interior panel of the plurality of interior panels with slide joints, wherein the evaporator case is integrally insulated with blown foam insulation positioned inside an insulation cavity defined by and between the plurality of exterior panels and the plurality of interior panels, characterised in that the exterior panels and the interior panels together define a plurality of overflow insulation cavities (2794, 2994), wherein a standing rib (2884, 2984) and a wall body (2850, 2950) of a respective interior panel and an interior surface of the exterior panel define a respective overflow insulation cavity (2794, 2994) of the plurality of overflow insulation cavities, wherein the respective overflow insulation cavity is arranged such that the flow of blown foam from the insulation cavity into the respective overflow insulation cavity flows through a pair of gaps (2708, 2908).