Abstract: A fastener is provided for securing one or more water supply lines to a pipe, such as a drain or vent pipe. The fastener includes a first resilient clamping element for engaging the pipe and a second resilient clamping element for engaging the water line. The second resilient clamping elements may be unitary with the first resilient clamping elements or selectively connected together by means of a connector.

Abstract: A plumbing installation assembly includes a closet flange and a cooperating spacer and cover. The spacer holds the closet flange above the floor a selected height to allow the pouring of lightweight concrete. The cover fully covers the face and slotted mounting apertures in the closet flange upon which the toilet is mounted.

Abstract: A plumbing fitting comprising a test closure plug for the free end of a trap bushing mounted in the center port of a T-fitting constituting a part of a soil pipe and vent pipe assembly of a plumbing system the free end of the trap bushing is provided with an adapter having an adapter nut and washer. The washer is removed and the plug is inserted in the adapter opening. The plug is configured to close the adapter opening and make a seal therewith when held in place by the adapter nut. The plug enables pressure testing of the plumbing system or the maintenance of a head of water therein. Upon installation of a fixture with a trap, the nut is removed, the plug is removed, the adapter nut and washer are then used in common trade fashion to connect the trap to the trap bushing in fluid-tight fashion by way of a slip joint. The plug can be reused.