Plumbing Valves | McMaster-Carr

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6,171 Products

Fluid Handling

On-Off Valves

Start and stop flow through a line

Tap Valves

Pierce copper tubing for a secondary line to humidifiers and ice makers; also known as saddle valves

Flow-Adjustment Valves

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids though a line

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

Diverting Valves

Diverting Valves

Redirect flow between ports

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

Valve Union Fittings

Valve Union Fittings

Mating parts join valves to a line for quick connection and removal

Air Vent Valves

Air Vent Valves

Eliminate air pockets from fluid lines to maintain consistent flow and prevent surges

Sampling Valves

Sampling Valves

Drain a small amount of fluid for inspection without disrupting flow

Float Valves

Open or close a pipe connection when liquids in a container reach a set level; also known as ballcocks

Backflow-Prevention Valves

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

Float Valve Bodies

Float Valve Bodies

Pair with floats and rods to create float valves that meet your needs

Mixing Valves

Blend hot and cold water, steam, or oil to maintain a set outlet temperature and prevent scalding

Injection Valves

Injection Valves

Pump liquid into your process line or tank while preventing backflow

Pressure-Regulating Valves

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment

Pressure-Relief Valves

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Facility and Grounds Maintenance

Flush Valve Replacement Parts

Flush Valve Replacement Parts

Replace virtually any part in the most common flush valve brands

Faucet Repair Parts

Faucet Repair Parts

Replace faucet parts such as valves, O-rings, washers, and nuts

Faucet Shut-Off Rods

Faucet Shut-Off Rods

Nudge the rod to turn water on and release to turn off without touching handles

Faucet Pedals

Start and stop water with your foot or knee to keep your hands free

Sink Faucets

Manual and touch-free faucets for janitorial, restroom, and food service sinks

Shower Valves

Control water and regulate temperature to prevent scalding

Showers

Hook up to a water supply near a drain for a convenient utility shower

Shower Heads

Direct the spray of water in a shower or shower station

Urinal Flush Valves

Urinal Flush Valves

Release water from a plumbing line into the urinal bowl

Toilet Flush Valves

Toilet Flush Valves

Release water from a plumbing line or toilet tank into the bowl

Toilet Tank Replacement Parts

Toilet Tank Replacement Parts

Replace parts such as flappers, fill valves, and floats in your toilet tank

Flush Valve Converters

Flush Valve Converters

Make manual flush toilets and urinals touch-free

Air Admittance Valves

Air Admittance Valves

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

Garden Hose Faucets

Garden Hose Faucets

Connect garden hose to lines coming from a building or the ground

Safety Equipment

Shower Station Valves

Shower Station Valves

Replace valves on your shower station

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)