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The CSB INTERNATIONAL PRODUCTS CSB1242B-RB is a 1-1/2 inch LA code sink trap with a ground joint cast elbow, designed for drain line applications in residential and light commercial plumbing systems. This trap maintains the water seal required by code to block sewer gases from entering occupied spaces. The cast elbow construction provides a durable, rigid connection at the wall or floor stub-out. Licensed plumbers and experienced plumbing technicians are the primary installers for this type of fixture drain component.
This trap is suited for kitchen and bathroom sink drain installations where local plumbing code requires an LA-pattern trap configuration. The ground joint cast elbow allows for precise angular adjustment during rough-in, making it a practical choice for retrofit and new construction applications where alignment between the trap arm and the drain stub-out needs to be dialed in on site.
Designed as an OEM-style replacement or new-installation trap for 1-1/2 inch sink drain applications conforming to LA code trap requirements.
Installation should be performed by a licensed plumber in accordance with the applicable local plumbing code and IPC guidelines. Shut off the water supply and ensure the drain line is clear before beginning trap replacement. Hand-tighten slip-joint nuts first, then snug with pliers, avoiding over-tightening on cast fittings. After installation, run water and inspect all joints for leaks before closing out the work.
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