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(800) 468 5997
Heating
Aquastats & Wells
Boiler Parts
Circulator Pumps
Flow Control Valves
Gas Valves
Low Water Cutoffs
Mixing Valves
Pressure Valves
Radiant Heat
Recirculating Pumps
Relief Valves
Stove & Chimney Pipe
Switching Relays
Temp & Pressure Gauges
Thermostats
View All Heating
Plumbing
Access Doors
Backflow Preventers
Basket Strainers
Chemicals & Compounds
Drains
Faucet & Sink Parts
Fire Protection
Flush Valves
P-Traps & Parts
PEX Plumbing
Pumps
Pipe Fittings & Nipples
Pipe Hangers & Clamps
Sillcocks / Hose Bibbs
Sink Strainers
Soldering & Brazing
Supply Lines
Supply Stops
Test Balls & Plugs
Toilet Parts
Tools
Valves
Water Filtration
Water Heaters
View All Plumbing
Fittings
ABS DWV Fittings
Black Steel Pipe Fittings
Brass Fittings
Cam & Groove
Compression Fittings
Copper Pipe Fittings
Copper Press Fittings
CPVC Fittings
CPVC Schedule 80 Fittings
Flexible Fittings
Nipples
PEX Fittings
PVC DWV Fittings
PVC Schedule 40 Fittings
PVC Schedule 80 Fittings
Repair Clamps & Couplings
Stainless Steel Fittings
View All Fittings
Valves
Ball Valves
Butterfly Valves
Check Valves
CPVC Ball Valves
Flush Valves
Gas Valves
Gate Valves
Hydrants
Isolation Valves
PVC Ball Valves
Sillcocks & Hose Bibbs
Wye Strainers
View All Valves
HVAC
Blower Motors
Capacitors
Compressors
Condensate Removal Pumps
Condenser Motors
Control Boards
Dampers & Ducting
Fasteners
Gas Valves
Grilles & Registers
Line Set Covers
Mini Split Air Conditioners
Roof & Wall Caps
Soldering & Brazing
Stove & Chimney Pipe
Thermostats
Type-B Gas Vent
Ventilation Fans
View All HVAC
Irrigation
Backflow Preventers
Drip Irrigation
Drainage
Irrigation Valves
Landscape Lighting
Rotor Sprinklers
Spray Heads
Sprinkler Controllers & Timers
Sprinkler Nozzles
Sprinkler Wire
Vacuum Breakers
Valve Boxes
Water Features
View All Irrigation
Hardware
Appliance Pulls
Cabinet Hardware
Deadbolts
Door Hinges
Door Knockers
Door Knobs
Door Levers
Handlesets / Entry Sets
Keyless Entry
Latches & Strike Plates
Pocket Door Locks
View All Hardware
Kitchen & Bath
Bar Sinks
Bath Fans
Bathroom Faucets
Bathroom Sinks
Bathroom Vanities
Kitchen Faucets
Kitchen Sinks
Mirrors
Toilet Seats
Toilets
Water Filtration
View All Kitchen & Bath
Lighting
Bathroom Lighting
Ceiling Lights
Chandeliers
Landscape Lighting
Light Bulbs
Outdoor Lighting
Pendant Lights
Wall Sconces
View All Lighting
Brands
View All
Action Machining
Apollo Valves
Arrowhead Brass
Asahi America
Axiom
Blanco
BrassCraft
Broan Nutone
Bulbrite
Caleffi
Cash Acme
Channellock
Craftmade
Deltana
Diablo Tools
DiversiTech
Dixon Valve
Docking Drawer
Duro Dyne
Ebbe America
Elegant Decor
ELK Lighting
Emtek
Febco
Fernco
Grundfos
Hinkley Lighting
Honeywell
HTP
Hunter Industries
Hydro-Rain
Irritrol
Jaclo
Jones Stephens
Kichler Landscape
Klein Tools
Legend Valve
Lochinvar
Majestic Glove
Malco Tools
Maxadaptor
Maxim Lighting
Merit Brass
Metal-Fab
Milwaukee Tool
Modine
Moen
Navien
nVent RAYCHEM
NDS
Nibco
Oatey
Panasonic
Pasco
Pratt Industrial
Rain Bird
Rectorseal
Red-White Valve
Reed Manufacturing
Rehau
Resideo
Rheem
Rinnai
Rust-Oleum
Sharkbite
Shoemaker Mfg
Sioux Chief
Sloan
Smith-Blair
Spears Mfg
Taco
Tekmar
Toro Irrigation
Toto
Tracpipe
Tuf-Tite
Tylok
Uponor
Viega
Watts
Webstone
Woodford
Z-Lite
Zoeller Pump
Zurn
About Us
Our Story
Contact Us
Shipping Policy
Returns
Terms of Service
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Black Steel Pipe Fittings
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fitting-size-3-8
Collection:
Black Steel Nipples
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3/8"
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Nipples
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Anvil
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1-1/2"
2"
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5-1/2"
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Black Steel Nipples
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10 Products
Anvil
3/8" x Close Black Steel Pipe Nipple
Anvil
3/8" x 1-1/2" Black Steel Pipe Nipple
Anvil
3/8" x 2" Black Steel Pipe Nipple
Anvil
3/8" x 2-1/2" Black Steel Pipe Nipple
Anvil
3/8" x 3" Black Steel Pipe Nipple
Anvil
3/8" x 4" Black Steel Pipe Nipple
Anvil
3/8" x 4-1/2" Black Steel Pipe Nipple
Anvil
3/8" x 5" Black Steel Pipe Nipple
Anvil
3/8" x 5-1/2" Black Steel Pipe Nipple
Anvil
3/8" x 6" Black Steel Pipe Nipple
