Plumbing | McMaster-Carr

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38,752 Products

Fluid Handling

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

12,214 products

Pipe Nipples and Pipe

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

7,358 products

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

1,102 products

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

595 products

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

1,277 products

Expansion Joints

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

159 products

Pipe Fitting Clamps

Connect easy-access and grooved-end pipe fittings to pipe

20 products

Hose

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

32 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

2,911 products

Hose End Plugs

Insert into the ends of hose to keep out dirt and debris

9 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

54 products

Hose Nozzles

Control flow while dispensing water, fuel, hydraulic fluid, coolant, and chemicals

2 products

Hose and Tube Pliers

Install, remove, or pinch off hose and tube

14 products

Hose Kink Absorbers

Prevent hose from kinking to ensure maximum flow and extend hose life

6 products

Foam Drain Cleaners

Feed through pipe to scrape away buildup; also known as pipe pigs

4 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

354 products

On-Off Valves

Start and stop flow through a line

3,425 products

Floats

Replace a float or combine with a rod and valve body to build your own float valve

153 products

Float Valve Bodies

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

51 products

Float Valves

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

89 products

Float Rods

Connect valve bodies and floats to build or repair a float valve

18 products

Orifice Valves

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

102 products

Flow-Adjustment Valves

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

443 products

Float Switches

Start process equipment such as pumps and motors when the liquid in your tank reaches the float

59 products

Drain Valves

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

36 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

69 products

Strainers

Install next to valves and pumps to catch debris in your line

465 products

Filter Bags

Place in a filter bag housing to trap and remove particles from liquid

159 products

Ultraviolet Water Purifiers

Eliminate bacteria and viruses in water without using heat or chemicals

27 products

Filter Bag Housings

Use with filter bags to trap and remove particles from liquid

139 products

Filter Cartridges

Pair with filter housings to remove particles from liquid

266 products

Water Deionizer Cartridges

Replace the cartridge in water deionizers to maintain peak performance

8 products

Water Softeners

Extract minerals from hard water to prevent scale build-up in process equipment

11 products

Filter Housings

Use with filter cartridges to remove particles from liquid

97 products

Inline Filters

Remove small particles from lines

56 products

Water Deionizers

Remove dissolved ions to reduce electrical conductivity and prevent scale from forming in water

26 products

Sump Pump Basins

Hold pumps for ground-level and below-ground use to drain water and sewage without a sump pit

1 product

Sump Pump Hose Kits

Drain away the water that your sump pump collects

2 products

Sump Pumps

Drain water and sewage water from sump pits, loading docks, and cooling towers

57 products

Dewatering Pumps

Remove water or sewage water from jobsites and flooded areas without sump pits

36 products

Dewatering Pump Hose Kits

Pair with dewatering pumps to clean up flooded areas

4 products

Test Pumps

Force air or liquid through your system to look for leaks; often called hydrostatic test pumps

30 products

Heating Elements

Turn electrical current into heat

7 products

Water Heaters

Produce and store hot water

19 products

Heat Exchanger Plugs

Plug leaky internal tubes in heat exchangers

17 products

Water Heater Thermostats

Replace the thermostat on your water heater

3 products

Thermocouples

Measure and transmit liquid, gas, and surface temperature

4 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

28 products

Pressure Switches

Activate controls, set off alarms, and power equipment when a set pressure is reached

255 products

Water Detector Sensors

Place near tanks, sump pumps, and pipe lines to alert you to water leaks

1 product

Facility and Grounds Maintenance

Sink Drain Traps

Retain a small amount of water to keep sewer gas from escaping

24 products

Sink Drains

Empty liquids from sinks into sewer lines

47 products

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

29 products

Sink Drain Tailpieces

Connect drains to P-traps and S-traps

17 products

Sink Drain Trap Extension Tubing

Add to a drain tailpiece when it doesn’t reach the trap

8 products

Sink Drain Fitting Washers

Replace the washers in sink drain fittings

6 products

Sink Drain Strainers

Catch debris to prevent clogs and plug drains to fill sinks

6 products

Dual-Connection Sink Drain Outlets

Connect two drains to a single outlet

7 products

Sink Drain Stoppers

Plug drains to fill up sinks and tubs

5 products

Sink Faucets

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

96 products

Faucet Cartridges

Replace the cartridges in common faucet brands; also known as stems

92 products

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

4 products

Faucet Washers

Seal faucet components so they don’t leak

24 products

Faucet Cartridge Pullers

Extract stuck or corroded Moen faucet cartridges

1 product

Faucet Sprayers

Extend the reach of your faucet with these flexible sprayers

1 product

Faucet Aerators

Reduce water use and noise while creating a smooth, powerful spray

27 products

Faucet Repair Parts

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

82 products

Faucet Spouts

Deliver drinking water from sinks

4 products

Faucet Handles

Fit most faucet cartridges to turn water on and off

6 products

Faucet Shut-Off Rods

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

2 products

Faucet Handle Pullers

Remove stuck handles from valve stems without damaging either part

1 product

Faucet Pedals

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

15 products

Toilet Flush Valves

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

18 products

Toilets

Tankless, gravity-tank, and pressurized-tank toilets

7 products

Toilet Seats

Install on round and elongated toilet bowls

12 products

Toilet Mounts

Secure toilet components with flanges and hardware kits

22 products

Toilet Tank Replacement Parts

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

23 products

Toilet Sealing Rings

Prevent leaks where toilets mount to the floor or wall

8 products

Toilet Spuds

Connect wall-mount toilets to a flush valve

14 products

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

1 product

Pressurized-Tank Toilet Kits

Replace upper water supply, flush valve cartridge, or the whole system in pressurized-tank toilets

12 products

Toilet Tank-to-Bowl Gaskets

Create a tight seal between a toilet tank and bowl

2 products

Toilet Supports

Install under your wall-mounted toilet to increase its weight capacity

2 products

Floor, Wall, and Ceiling Plates

Add a finishing touch around protruding pipes; also known as escutcheons

46 products

Flush Valve Replacement Parts

Replace virtually any part in the most common flush valve brands

262 products

Shower Valves

Control water and regulate temperature to prevent scalding

1 product

Shower Drains

Quickly install a drain in your shower with no caulk required

5 products

Shower Drain Grates

Keep solids from sliding down your drain

1 product

Shower Heads

Direct the spray of water in a shower or shower station

17 products

Showers

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

1 product

Shower Stalls

Install a complete, freestanding shower anywhere there’s a water connection

2 products

Shower Head Pipe

Mount shower heads and connect to water supply

4 products

Shower Stoppers

Push down to plunge and cut trapped material to prevent clogs

1 product

Wash Fountain Replacement Parts

Replace components in Bradley and Acorn wash fountains

91 products

Wash Fountains

Step on a pedal or activate a sensor for multiple people to clean up at once

12 products

Drinking Fountains

Supply drinking water from wall-mount and freestanding fountains

19 products

Drinking Fountain Bottle Filler Converters

Turn standard drinking fountains into water bottle filling stations

4 products

Drinking Fountain Replacement Parts

Replace nozzles, regulators, filters, handles, and other original manufacturer parts

20 products

Manual-to-Touch-Free Drinking Fountain Converters

Replace the push bar on your drinking fountain to dispense water hands-free

2 products

Drinking Fountain Nozzles

Dispense water from fountains; also known as bubblers

6 products

Water Jet Drain Cleaners

Seal the inside of pipe, creating pressure to flush out clogs using a garden hose

27 products

Floor Sink Liners

Retrofit old or damaged floor sinks with a durable, corrosion-resistant liner

9 products

Floor Drain Funnels

Guide dripping wastewater and condensate down your drain to prevent splashing

2 products

Floor Drain Trap Seals

Stop sewer gases from escaping through rarely used floor drains if the P-trap dries out

4 products

Compression-Sleeve Pullers

Remove stuck or corroded sleeves from compression connections

1 product

Drain Snakes

Feed the flexible cable through pipes and spin the attached head to clear clogs

28 products

Drain Snake Heads

Replace the head on drain snakes

24 products

Drain Snake Cables

Replace the cable in drain snakes

33 products

Drain Snake Leaders

Guide cable through tight bends and traps

1 product

Urinal Flush Valves

Release water from a plumbing line into the urinal bowl

19 products

Urinal Sealing Rings

Prevent leaks where urinals mount to the wall

2 products

Urinals

Wall-mount urinals with a back or bottom outlet

7 products

Urinal Flanges

Connect a urinal to your drainage system

2 products

Urinal Spuds

Connect wall-mount urinals to a flush valve

5 products

Sinks

Freestanding, wall-mount, countertop, and floor sinks

138 products

Garbage Disposals

Grind up and eliminate food waste from your sink

3 products

Drain Cleaners

Break up clogs by dissolving buildup in drains, grease traps, and sewage systems

8 products

Plungers

Force air down toilets and drains to clear clogs

18 products

Water Hammer Arresters

Absorb shock of sudden shutoffs to prevent knocking noises in water pipes

22 products

Manhole Covers

Made of cast iron to handle high-volume foot and vehicle traffic.

6 products

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 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

Riser Tubes

Connect shut-off valves to sink faucets and toilet tanks

6 products

Sink Pipe Covers

Prevent burns from hot water pipes

3 products

Glassware Rinsers

Rinse the inside of glasses, tubes, or beakers with a simple press

2 products

Grease Traps

Remove and retain grease from waste water to prevent blockages in plumbing lines

4 products

Sediment Traps

Catch debris in pipelines before it enters your sewage system or water heater

4 products

Water Jet Drain Cleaner Nozzles

Blast through blocked pipes by attaching to a high-pressure water line

17 products

Flush Valve Converters

Make manual flush toilets and urinals touch-free

21 products

Plumber's Putty

Mold into a watertight, removable seal around faucets and drains

3 products

Washdown Sprayers

Hose down industrial parts and food service equipment in your sink to remove dirt and grease

5 products

Drinking Water Chillers

Cool the water in any drinking fountain, bubbler, or bottle filler

2 products

Bottle Fillers

Fill water bottles using chillers or other water sources to cut down on single-use plastic bottles

17 products

Neutralization Tanks

Treat corrosive chemicals before they drain into sewer systems

4 products

Manhole Riser Rings

Raise a manhole cover to make it level with the surface

4 products

Tube Cleaners

Clean delicate surfaces inside tubes, pipes, and holes

26 products

Garden Hose Faucets

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

31 products

Urinal Cartridges

Replace the odor-trapping seal in Sloan urinals

1 product

Surface-Preparation Cleaners

Clean and degrease surfaces so paint, coatings, adhesives, and cement will stick

3 products

Urinal Screens

Scented to keep restrooms smelling fresh

2 products

Water Dispensers

Provide drinking water wherever it's needed without connecting to plumbing

3 products

Shower Curtain Rod Flanges

Secure shower curtain rods to walls

Stock toilet paper dispensers

3 products

Surface Fillers

Repair chips, cracks, and tears in various surfaces

6 products

Hand Washing Stations

Clean your hands in remote places like worksites or before entering sanitary environments

5 products

Toilet Paper Dispensers

Mount to bathroom walls to hold and dispense toilet paper

9 products

Toilet Seat Cover Dispensers

Mount to bathroom walls to hold and dispense toilet seat covers

2 products

Shower Curtains

Prevent water from spraying outside your shower

11 products

Fastening and Joining

Adhesives

Bond surfaces together

9 products

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

2 products

Shut-Off Valve Wrenches

Turn hard-to-reach valves on gas lines, faucets, toilets, and sinks

4 products

Pipe/Valve Wheel Wrenches

Grip and turn pipe with one end and loosen valve wheels with the other

1 product

Drain Wrenches

Install and remove drain traps and fittings, overflow outlets, and toilet inlet spuds

3 products

Strap Wrenches

Grip plastic and high-polished pipe, tubing, hand wheels, and filters without marring the surface

26 products

Straps for Strap Wrenches

Replace the strap on your strap wrench

15 products

Water Meter Wrenches

Turn meter couplings and shut-off valve nuts on water meters

1 product

Pipe Wrench Nuts

Replace nuts on pipe wrenches

10 products

Pipe Wrench Springs

Replace springs in pipe wrenches

13 products

Pipe Wrench Jaws

Replace jaws on pipe wrenches

22 products

Adjustable Wrenches

Adjust the jaws to fasten different size nuts, bolts, or workpiece

8 products

Pipe Wrenches

Serrated jaws grasp and turn pipe, conduit, and fittings

115 products

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

79 products

Tape

Bind, seal, and mark surfaces

7 products

Sealing

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

184 products

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

43 products

Hose Washers

Place inside nozzles and spigots to prevent leaks in an attached hose

12 products

Drain Gaskets

Create a watertight seal between your drain and fixture without the mess of plumber's putty

3 products

Fabricating and Machining

Pipe Groovers

Manually form grooves in pipe ends for on-site installation and maintenance

1 product

Tube Expanders

Enlarge the end of a tube to allow a second piece of the same diameter to fit inside

17 products

Tube Beaders

Form a rounded bead on the end of metal tubing to hold soft rubber hose in place

2 products

Tube Flarers

Make flared ends on metal tubing so it's compatible with flared tube fittings

24 products

Wire Brushes

Scrub by hand or connect to power tools to clean, polish, deburr, and remove rust

1,115 products

Cable Saws

Flexible to cut through pipe or wood in hard-to-reach areas

1 product

Tube and Pipe Notchers

Cut notches in pipe and tubing to make intersecting connections

1 product

Handsaws

Manually cut through large branches, hardwood, plywood, or plastic pipe

5 products

Pipe, Tube, and Hose Cutters

Make clean cuts in pipe, tube, hose, and conduit

98 products

Communication

Audible Alarms

Everything from bells and whistles to horns and sirens

1 product

Sump Pump Alarms

Warn you when water levels in your sump pump rise too high

1 product

Reference Books

Keep industrial information, regulations, and processes on hand

1 product

Material Handling

Pipe Hangers

Suspend pipe, conduit, and tube from rods, hooks, and straps

612 products

Chain

Bind, lift, and tow loads, hang objects, and construct barriers; stronger and heavier than wire rope

16 products

Containers, Storage, and Furniture

Drum Faucets

Control the flow of liquid from drums, tanks, carboys, and other containers

29 products

Toilet Partition Door Hardware

Replace the hinges, latches, hooks, and handles on toilet partitions

7 products

Toilet Partitions

Separate toilets and urinals for privacy

120 products

Toilet Partition Mounting Hardware

Mount and connect toilet and urinal partition components

20 products

Toilet Partition Trim Shoes

Replace the trim shoes on the bottom of toilet partition columns

33 products

Curtain Hooks

Hang curtains from rods

8 products

Chairs

Adjustable-height, clean room, folding, stackable, and shower seats

4 products

Raw Materials

Wax

Create seals and prototypes, lubricate tools, and polish equipment

12 products

Heating, Ventilation, and Air Conditioning

HVAC Flame Detectors

Replace flame detectors in HVAC equipment such as furnaces, ovens, water heaters, and boilers

1 product

Space Heaters

Distribute heated air throughout indoor spaces or enclosures

34 products

Safety Equipment

Fire Hydrants

Fight fires in areas around your facility that city-installed hydrants don’t reach

1 product

Fire Post Indicators

Open and close water supply valves for fire systems buried underground or in a wall

2 products

Measuring and Inspecting

Level Mounts

Strap to nonmagnetic surfaces to attach a magnetic level

1 product

Lubricating

Machining and Fabricating Lubricants

Keep cutting tools cool, lubricated, and rust free; also flush out shavings to avoid damage

3 products

Building and Machinery Hardware

Bathroom Floor Mats

Cover the floor beneath toilets or urinals to help keep restrooms clean

2 products