The Unidrain water trap for line drain is a high-quality plumbing component designed for efficient wastewater management in residential and commercial applications. This water trap features a 50 mm closing height, ensuring effective sealing to prevent sewer gases from entering living spaces while allowing smooth water flow. Constructed from durable materials, it offers reliable performance and long-term resistance to corrosion and wear. The model number 1820.0040 identifies this specific variant, which is part of the Unidrain product line known for precision engineering in drainage solutions. Ideal for integration into various piping systems, this water trap supports proper hygiene and odor control by maintaining a consistent water barrier. Its compact design facilitates easy installation in tight spaces, and it complies with standard drainage requirements for safety and functionality. Use this component in bathrooms, kitchens, or other areas requiring efficient drain traps to enhance overall plumbing system integrity.