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The BSC PREFERRED LKQS35SM is a polymer sink drain fitting designed for kitchen, prep area, and laundry room sinks. It includes a removable basket strainer and a rubber stopper, giving installers a complete drain solution in a single unit. The Silvermist color finish is infused into the polymer material rather than applied as a surface coating, which resists chipping and scratching over time. The drain opening is sized at 3.5 inches, a standard dimension for most residential drop-in and undermount kitchen sink applications. Licensed plumbers and experienced DIYers install this fitting as either a new-construction component or a direct replacement for worn or discolored drain hardware.
The LKQS35SM is specifically noted to align with BSC PREFERRED Quartz Classic and Quartz Luxe sink lines, making it a logical service or finish-matching part for those sink families. The Silvermist finish coordinates with the sink body finish for a consistent appearance at the drain opening. The basket strainer captures food particles and debris to reduce downstream clogging, and the included rubber stopper allows the sink basin to be filled and held for washing or soaking tasks. This fitting suits residential kitchen, prep, and laundry room installations where a coordinated, functional drain accessory is required.
Designed for use with BSC PREFERRED Quartz Classic and Quartz Luxe sinks. Fits standard 3.5-inch sink drain openings common in residential kitchen, prep area, and laundry room applications.
Installation is performed by a licensed plumber or qualified installer. Shut off water supply to the sink before removing any existing drain hardware. Standard plumber's putty or silicone sealant is typically applied at the drain flange seat per local plumbing code requirements — consult applicable IPC provisions for your jurisdiction. Do not overtighten the drain locknut, as polymer fittings can crack under excessive torque.
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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