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The BSC PREFERRED LKQS35RT is a polymer drain fitting designed for kitchen sinks with a 3.5-inch drain opening. It includes a removable basket strainer and a rubber stopper, giving installers a complete drain assembly in a single unit. The polymer construction is color-infused throughout the material, meaning the finish does not rely on a surface coating that can chip or scratch with daily use. This fitting is intended for use with BSC PREFERRED Quartz Classic and Quartz Luxe sink lines, providing a coordinated color match across the drain and sink assembly. Licensed plumbers and experienced DIYers install this fitting during new sink setups or drain fitting replacements.
This drain fitting is suited for residential kitchen sink installations where a matching drain assembly is required. The basket strainer captures food particles and debris before they enter the drain line, reducing clog risk. The rubber stopper allows the sink basin to be filled for tasks such as soaking cookware or hand-washing dishes. The polymer material resists corrosion and staining, making it appropriate for wet environments with ongoing exposure to food waste and cleaning agents. It is sold as a single unit intended for one drain opening.
Designed for use with BSC PREFERRED Quartz Classic and Quartz Luxe sinks featuring a 3.5-inch drain opening. Intended as a matching accessory within the BSC PREFERRED sink accessory lineup.
Installation is performed by a licensed plumber or qualified tradesperson. Shut off the water supply and clear the cabinet space beneath the sink before beginning work. Plumber's putty or silicone sealant is typically applied around the drain flange to create a watertight seal against the sink basin. Follow local plumbing codes, such as IPC guidelines, for drain fitting installation and inspection requirements.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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