Preparation for External Venting Last updated Save as PDF Preparation for External Venting Through Same Cabinet To prevent pooling of condensation from the vent hose, a toekick height of no less than 4” (100mm) is required. Services Hole If the hole is through wood, make sure its edges are smooth and rounded. If the hole is through metal, ensure you fit the supplied Edge Protector to prevent damage to the power cord. Preparation for External Venting Through Adjacent Cabinet To prevent pooling of condensation from the vent hose, a toekick height of no less than 4” (100mm) is required. Services Hole If the hole is through wood, make sure its edges are smooth and rounded. If the hole is through metal, ensure you fit the supplied Edge Protector to prevent damage to the power cord.