Black rigid plastic pipe used for DWV systems. Easier to install than PVC with one-step solvent cement, but can deform in sunlight and is noisier than…

Black plastic fittings used primarily in DWV systems for residential drainage and venting.

A valve that allows air into a plumbing drainage system to equalize pressure, preventing siphonage and trap seal loss while stopping sewer gases from …

A shutoff valve that uses a rotating ball with a hole through it to control flow. Provides quick, reliable shutoff with minimal pressure drop.

Fitting with barbs used with flexible tubing and clamps to create secure, low-pressure connections.

PEX tubing colored blue for identification purposes, typically used for cold water lines. Color does not affect performance or pipe type characteristi…

Brass fitting using a compression nut and ferrule to create a seal on soft tubing like copper.

Brass fitting that seals against a flared tube end, common in gas and refrigeration connections.

A valve using a rotating disc that pivots to control flow, especially in large diameter pipes. Lightweight and compact but the disc remains in the flo…

Threaded or weld fitting made from carbon steel for high-strength applications in mechanical systems.

Legacy material found in pre-1960s homes, used for main sewer and drainage lines. Extremely durable, heat-resistant, and sound-dampening, but suscepti…

Cast iron DWV fitting with bell-and-spigot joints sealed by oakum and lead or gaskets.

Hubless cast iron DWV fitting joined with no-hub couplings and stainless band clamps.

A one-way valve that allows flow in only one direction, preventing backflow. Automatically closes when flow stops or reverses.

Fittings for PEX-AL-PEX consisting of fitting body with barbs, insert, compression ring, and nut. Compressed by tightening nut, no special tools neede…

Copper fitting that changes pipe direction, typically 45° or 90°, joined by soldering or press connections.

Metal pipe made from copper, primarily used for water supply lines. Offers excellent durability, antimicrobial properties, and resistance to corrosion…

Industry benchmark for water supply lines with 50+ year lifespan. Highly durable, inhibits bacterial growth, suitable for hot/cold water, but expensiv…

T-shaped copper fitting that splits or combines flow; available in equal and reducing branches.

A straight pipe fitting used to connect two pipes of the same diameter in a straight line. Can be permanent or removable.

Chlorinated variant of PVC with higher temperature tolerance, suitable for hot and cold water supply lines. Cost-effective copper alternative with cor…

Chlorinated PVC fittings rated for hot and cold water supply, solvent-welded or threaded.

PEX fittings with barbs that fit inside tubing, secured with copper crimp rings or stainless steel cinch clamps using specialized tools. Compatible wi…

A valve that controls flow using a flexible diaphragm that presses against a weir or seat. Leak-proof and easy to maintain, often used for slurries or…

Ductile iron fitting using a bolted gland and gasket to join pipes in municipal water systems.

Ductile iron fitting that uses a gasketed bell to push pipes together quickly without bolts.

A pipe fitting that changes the direction of flow, typically at 45° or 90° angles. Essential for routing pipes around obstacles and corners.

PEX fittings designed for PEX-A using expander tool to enlarge pipe and expansion rings. Creates strong, full-flow connection as PEX shrinks back. Req…

A small metal ring, typically brass, that is compressed onto a pipe or tube to create a seal within a compression fitting.

Flat-rimmed fitting with bolt holes used to connect pipes, valves, and equipment, typically sealed with a gasket.

A flat rim or collar on the end of a pipe that is bolted to another flange to form a connection. A toilet flange connects the toilet to the drain pipe…

Round metal disc used under bolt heads or nuts to distribute load and protect surfaces at joints.

Legacy material of zinc-coated steel pipe used for water supply lines in pre-1960s homes. Exceptionally strong but highly susceptible to rust and corr…

A shaped piece or ring of rubber, cork, or other material used to create a static, leak-proof seal between two flat surfaces, such as between pipe fla…

A valve that uses a sliding gate or wedge to control flow. Best used in fully open or fully closed positions, not for throttling.

A valve designed for precise flow control and throttling using a movable disc that is raised or lowered onto a stationary ring seat. Excellent for thr…

A valve that combines hot and cold water to deliver water at a desired temperature, commonly used in shower and tub applications.

A valve providing very fine and precise control of fluid flow using a long, tapered plunger that fits into a matching seat. Used for applications requ…

A short piece of pipe, typically threaded on both ends, used to connect two other fittings or pipes.

Flexible rubber coupling with stainless bands used to join hubless cast iron DWV pipes.

A donut-shaped gasket designed to be seated in a groove, creating a seal when compressed. Commonly found in faucets and valve connections.

Flexible plastic tubing popular for water supply. Bendable around corners, less expensive than copper, resistant to scale and chlorine, but susceptibl…

Fitting for PEX pipe secured with copper crimp rings using a crimping tool to create a sealed joint.

Fitting system for PEX-A that expands pipe and ring before insertion, relying on pipe memory to contract and seal.

PEX (Cross-linked Polyethylene) pipe flexible enough to bend around corners, reducing the need for fittings. Commonly used for residential water suppl…

PEX pipe made using the peroxide (Engel) method with cross-linking during extrusion. Most flexible PEX type with elasticity and memory, allowing expan…

Multi-layer composite pipe with aluminum layer sandwiched between two PEX layers. Aluminum acts as oxygen barrier and helps pipe hold shape when bent.…

PEX pipe made using the silane (moisture cure) method with cross-linking after extrusion. More rigid than PEX-A with higher burst pressure resistance …