Glue a 1-1/2-inch PVC x 3/4-inch FIP adapter (A) onto a female PVC trap adapter (B). Note: This allows you to attach your shop vacuum to 3/4-inch pipe. The barbed fitting (C) connects to 1/2-inch I.D.

Water and ice dispensers have become a standard amenity of modern home refrigeration. The secret to their automation is a continuous water supply straight from the home’s existing plumbing. Hooking up ...