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The ELKHART PRODUCTS DWVST45ELL-4 is a 4-inch copper DWV street 45-degree elbow designed for drain, waste, and vent piping systems. This fitting accepts a plain pipe end on one side and a socket end on the other, allowing it to connect directly to another fitting without a short coupling section in between. The street configuration reduces the number of joints required in tight spaces. Licensed plumbers and journeyman pipe fitters install this type of fitting in residential and light commercial DWV applications where a 45-degree change of direction is required.
This elbow is used in copper DWV drain, waste, and vent systems where a 45-degree directional change is needed in the piping layout. The street end slips directly into a standard DWV fitting socket, making it well suited for compact runs and confined chases where space between fittings is limited. It is commonly installed in interior drain lines, vent stacks, and horizontal waste branches in residential construction and renovation work.
Designed as an OEM-style replacement and standard-install fitting for 4-inch copper DWV piping systems in residential and light commercial applications.
Installation is performed by a licensed plumber in accordance with the International Plumbing Code or applicable local codes. Shut off all water supply and ensure the drain line is clear and dry before cutting into existing piping. Clean and flux all joint surfaces thoroughly before soldering; use lead-free solder where required by code. Support the piping per code requirements and verify proper slope on horizontal drain runs before closing the wall or ceiling.
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