Drains & Tubular Plumbing

Drains & Tubular

From shower drains to sink drain connections, the right drain and tubular components help create reliable, easy-to-service plumbing systems. Explore guides on linear shower drains, kitchen sink drains, bathroom sink drains, tubular P-traps, and threaded tailpieces. Learn about common drain sizes, P-trap installation, sink drain connections, tailpiece options, and choosing the right tubular fittings for kitchen and bathroom plumbing applications.

Guides

Common Drain & Tubular Products & Uses

Product Type	Primary Use	Common Applications
Linear Shower Drain	Collects and directs shower water through a long, narrow drain opening	Tile showers and wet-area installations
Square Shower Drain	Collects shower water through a compact drain opening	Standard shower floors
Kitchen Sink Drain	Provides the drain outlet for a kitchen sink basin	Kitchen sinks
Bathroom Sink Drain	Provides the drain outlet for a lavatory sink	Bathroom sinks and vanities
Tubular P-Trap	Maintains a water seal below a fixture drain	Sink and fixture drain assemblies
Tailpiece	Connects a fixture drain outlet to the trap or tubular drain assembly	Kitchen and bathroom sink drains
Extension Tube	Extends the tubular drain connection when additional length is needed	Sink drain and trap assemblies

Note: Drain and tubular products should be selected based on fixture type, drain size, connection style, and installation layout. Always verify product compatibility before installation.

Common Tubular Drain Connection Terms

Term	What It Means	Common Use
Slip Joint	Connection secured with a slip nut and sealing washer	Tubular traps, tailpieces, and extension tubes
Threaded Connection	Components connect using compatible male and female threads	Drain outlets, tailpieces, and fixture connections
Tailpiece	Straight section connecting a fixture drain to the trap assembly	Sink drain assemblies
Extension Tube	Straight tubular section used to extend a drain connection	Sink drain and trap assemblies
P-Trap	Curved trap assembly that maintains a water seal	Fixture drainage
Slip Nut	Nut used to tighten and secure a slip-joint connection	Tubular drain fittings
Slip-Joint Washer	Sealing washer used inside a slip-joint connection	Traps, tailpieces, and extension tubes
Drain Flange	Visible drain component positioned at the fixture opening	Sinks and shower drains

Note: Connection terminology and dimensions may vary by product. Always confirm the required drain size, thread type, and connection style before selecting replacement parts.

How to Choose a Drain or Tubular Fitting

Selection Factor	What to Check	Why It Matters
Fixture Type	Determine whether the product is for a shower, kitchen sink, bathroom sink, or other fixture	Different fixtures require different drain assemblies
Drain Size	Confirm the required drain or tubular fitting size	Helps ensure proper fit with existing components
Connection Type	Check whether the connection is slip-joint, threaded, or another compatible style	Prevents incompatible connections
Trap Configuration	Confirm the existing trap type and drain layout	Helps determine which tubular components are needed
Tailpiece Length	Check the distance between the fixture outlet and trap assembly	Helps avoid a connection that is too short or unnecessarily long
Installation Space	Measure the available space below or around the fixture	Helps prevent interference with cabinets, walls, or other plumbing
Finish & Style	Check the visible finish and drain design where appearance matters	Important for exposed sink and shower drain components
Product Compatibility	Verify that the drain, trap, and tubular components are designed to work together	Helps ensure a proper installation

Note: Drain and tubular fitting requirements vary by fixture and installation. Always verify size, connection type, dimensions, and manufacturer specifications before purchase or installation.