Stack Vents | McMaster-Carr

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266 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Pipe and Fittings

Drain, Waste, and Vent Pipe and Fittings

Drain, Waste, and Vent Standard-Wall PVC Pipe Fittings for Water

The industry standard for gravity-flow drain, waste, and vent applications; known as Schedule 40

92 products

Drain, Waste, and Vent PVC Clamp-On Pipe Fittings for Water

Clamp onto pipe for a strong seal and easy assembly

107 products

Underground Drain, Waste, and Vent PVC Pipe Fittings for Water

Thin walls give extra room for high-flow applications, such as underground storm drainage lines

55 products

Underground Drain, Waste, and Vent PVC Pipe Nipples and Pipe for Water

Thin walls give extra room for high-flow applications, such as underground storm drainage lines

8 products

Other Products

Pipe Traps

Create a seal that prevents the backflow of gas

6 products

Pipe Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

4 products

Air Admittance Valves

Allow air into drain, waste, and vent systems so you don't have to vent plumbing to the outdoors

2 products

Duct Vent Caps

Reduce downdrafts and prevent obstructions from entering vents

1 product