Locations
Obsolete Parts Search

Account Registration
Register
Log in

Products search

MENUMENU

Solutions
- - - Forced Air Solutions
  - - Hydronic, Steam, & Radiant Solutions
  - - How to find your HVAC Solution?
      
      Step 1: Pick a solution category on the left
      Step 2: Select the size that fits your job
      Step 3: Watch the how-to video and read manuals attached to a Solution and individual items
      Step 4: Click on the images of items you want to purchase, then hit "Add selected to cart"
    - Welcome to Solutions Page – Michael Bleier
Forced Air
Hydronics
- - - Weil-McLain Standard Boilers
    - NTI TRX Combi Boilers
  - - Equipment
  - - Accessories
Valves
Fittings
- - - Press FittingNEW
    - What’s a Press Fitting?
Sheet Metal

Home Hydronics and Steam Boiler Accessories Fittings

Reducing Coupling

Featured Categories

Galvanized Reducing Couplings (4)
Black Iron Reducing Couplings (26)
Copper Reducing Couplings (18)

Products

Reducing Coupling – 1-1/2″ x 1″ – Black Iron
Brand: Smith Cooper
Item: B31-CO1121
Price: Log in for Price Read more
Reducing Coupling – 1-1/2″ x 1-1/4″ – Black Iron
Brand: Smith Cooper
Item: B31-CO112114
Price: Log in for Price Read more
Reducing Coupling – 1-1/2″ x 3/4″ – Black Iron
Brand: Smith Cooper
Item: B31-CO11234
Price: Log in for Price Read more
Reducing Coupling – 1-1/4″ x 1″ – Black Iron
Brand: Smith Cooper
Item: B31-CO1141
Price: Log in for Price Read more
Reducing Coupling – 1-1/4″ x 1/2″ – Black Iron
Brand: Smith Cooper
Item: B31-CO11412
Price: Log in for Price Read more
Reducing Coupling – 1-1/4″ x 3/4″ – Black Iron
Brand: Smith Cooper
Item: B31-CO11434
Price: Log in for Price Read more
Reducing Coupling – 1/2″ x 1/4″ – Black Iron
Brand: Smith Cooper
Item: B31-CO1214
Price: Log in for Price Read more
Reducing Coupling – 1/2″ x 1/8″ – Black Iron
Brand: Smith Cooper
Item: B31-CO1218
Price: Log in for Price Read more
Reducing Coupling – 1/2″ x 3/8″ – Black Iron
Brand: Smith Cooper
Item: B31-CO1238
Price: Log in for Price Read more
Reducing Coupling – 1″ x 3/4″ – Black Iron
Brand: Smith Cooper
Item: B31-CO134
Price: Log in for Price Read more
Reducing Coupling – 1″ x 1/2″ – Black Iron
Brand: Smith Cooper
Item: B31-CO1X12
Price: Log in for Price Read more
Reducing Coupling – 2″ x 1″ – Black Iron
Brand: Smith Cooper
Item: B31-CO21
Price: Log in for Price Read more

1 2 3 4

Stock Status

Show In Stock Only

Brands

Navac 0Tamas 0Thermo Manufacturing 0Profit 0Cozy (258) 0Shurtape 0JMF Company (315) 0Howell Metal 0Armacell 0UEI 0Sauermann 0Axiom 0Condair 0Zilmet 0Smartlock (367) 0HBX Control Systems 0Swep 0Governale 0Intermatic 0DiaNorm 0Airtec 0Aspen 0Bock 0Flanders 0Builders Best 0Polymer Adhesives 0NTI 0AC Guard 0Fernox 0Centrotherm Eco Systems 0Packard 0Uponor 0Hensler Tool Company 0Able Distributors 0AFC Cable Systems 0Air-Duct Manufacturing 0AMTROL 0A.O. Smith 0AUER 0Beacon/Morris 0Bell & Gossett 0BestAir Pro 0BRAMEC 0BURNHAM CO 0C&D VALVE 0Caleffi 0Chicago Block 0Commercial 0Curtis Metal 1Dahl Valve 0Danfoss 0Diversitech 0DURODYNE 0Easy Air 0Elgin Fastener Products 0Empire Comfort Systems 0FANTECH 0Bosch 0Field Controls 0Midwest Tools 0Fujitsu 0FUNCTIONAL 0Garvin 0General Filter 0Genova Products 0Gibson 0Gorton 0Airgas 0GRUNDFOS 0HAILIANG A 17HARDCAST 0Heating & Cooling Products 0Watts Radiant 0Hoffman Air Valves 0HOMEDEPOT 0Honeywell 0ICM Controls 0ILLCO 0Insul-Tarp 0JB Industries 0Jones Stephens 0Harris 0Kast 0Legend Valve 0LENNOX 0Little Giant 0Ultra-fin 0MAJESTIC 0Malco 0Reznor 0MARS 0Maytag 0MCDONNELL 0METALFAB 0Mid America 0MODINE 0Monti 0Moroney 0MUELLER 0NEUCO 0Nordyne 0Napoleon 0Nu-Calgon (NU-CALGON) 0OATEY 0Peerless 0RECTORSEAL 0REFLECTIX 0Richard Specialty 0Rinnai 0Runtal 0SEALED 0Sensible Products 0Slant/Fin 0Smith Cooper 30TACO 0TEKMAR 0THE MILL-R 0The Pate Company 0Thermaflex 0Turbo Torch 0Unico 0Universal Enterprises 0USAire 0Ward 0WEBSTONE 0Weil-McLain 0WEISS INST 0Westwood Products 0White-Rodgers 0Calefactio 0Ecobee 0Silver King 0Mainstream Engineering 0Comstar International 0

Categories

General Accessories 0

Mounting Accessories 0Cutting Compounds 0Cement 0Controls 0

Thermostat Accessories 0

Replacement Parts 0Sensors 0Adapters 0Wall Plates 0

Replacement Parts 0Thermostats 0

Non-Programmable Thermostats 0Programmable Thermostats 0

Smart Thermostats 07-Day Programmable Thermostats 05-2 Programmable Thermostats 05-1-1 Programmable Thermostats 0

Fan Controls 0Misc. Controls 0

Solder 0Cleaners and Treatments 0Hangers and Tape 0Tools 0

Multimeters 0Test Leads 0Probes 0Sensing Equipment 0Brushes 0Saws 0Screws 0Torches and Accessories 0Wrenches 0Drivers 0Pliers 0Misc. Tools 0Safety Apparel 0

Sealants 0Venting 0

InnoFlue 0

InnoFlue Accessories 0Vent Materials 0

Electrical Accessories 0

Relays 0Jumpers and Leads 0Fuses 0Lighting 0Conduits and Fittings 0Wires and Cords 0Switches 0Transformers 0Contactors 0Utility Boxes and Covers 0Wire Nuts 0Receptacles 0Breakers 0

Ignition Systems 0

Replacement Parts 0

Motors 0

Motors 0Motor Accessories 0Belts 0Capacitors 0

Hydronics and Steam 48

Water Heaters 0

Gas-Fired Hybrid Water Heaters 0Gas-Fired Tankless Water Heaters 0Gas-Fired Storage Water Heaters 0Indirect-Fired Water Heaters 0Electric Water Heaters 0

Water Heater Accessories 0

Mounting Accessories 0Controls 0Replacement Parts 0Cleaners and Treatments 0

Tanks 0

Glycol Tanks 0Storage Tanks 0Replacement Parts 0Expansion Tanks 0Fittings 0

Boilers 0

Hydronic Boilers 0

Standard Gas-Fired Boilers 0Condensing Gas-Fired Boilers 0Combi Gas-Fired Boilers 0

Steam Boilers 0

Boiler Accessories 48

Nipples 0

Black Steel (Packs) 0Black Steel 0Galvanized Steel 0Nipple Trays 0

Press Fittings 0

Reducing Coupling 0

Copper Reducing Couplings 0

Dielectric Union 0

Dielectric Brass Unions 0

Bushing 0

Copper Bushings 0

Street Elbow 0

Copper Street Elbows 0

Cap 0

Copper Caps 0

Coupling 0

Copper Couplings 0

Press Adapters 0Elbow 0

Copper Elbows 0

Female Adapter 0

Copper Female Adapters 0

Male Adapter 0

Copper Male Adapters 0

Fittings 48

Y-Strainer 0

Bronze Y-Trainers 0

Cap 0

Black Iron Caps 0Copper Caps 0Galvanized Caps 0

Pigtail Siphon 0

Brass Pigtail Siphon 0

Flush Bushing 0

Copper Flush Bushings 0

Hex Bushing 0

Galvanized Hex Bushings 0

Coupling 0

Galvanized Couplings 0Black Iron Couplings 0Copper Couplings 0

Washer 0

Brass Washer 0

Long Radius Elbow 0

Copper Long Radius Elbows 0

Plug 0

Galvanized Plugs 0Black Iron Plugs 0Cast Iron Plugs 0

Elbow Return 0

Bronze Union Elbow Returns 0

Long Radius Street Elbow 0

Copper Long Radius Street Elbows 0

Reducing Coupling 48

Galvanized Reducing Couplings 4Black Iron Reducing Couplings 26Copper Reducing Couplings 18

Male Adapter 0

Copper Male Adapters 0

Siphon 0

Black Pigtail Siphon 0

No-Stop 0

Copper No-Stops 0

Manifold Outlet Cap 0PEX 0Reducing Elbow 0

Cast Iron Reducing Elbows 0Black Reducing Elbows 0Copper Reducing Elbows 0

PEX-AL-PEX 0Elbow 0

Galvanized Elbows 0Cast Iron Elbows 0Copper Elbows 0Black Elbows 0

Street Elbow 0

Galvanized Street Elbows 0Copper Street Elbows 0Black Street Elbows 0

Female Adapter 0

Copper Female Adapters 0

P-Trap 0

Copper P-Traps 0

Union 0

Galvanized Unions 0Black Iron Unions 0Lead-Free Unions 0

Compression Seal Tape 0Bushing 0

Black Iron Bushings 0Cast Iron Bushings 0Copper Bushings 0

Glass Nut 0

Brass Gauge Glass Nuts 0

Fitting Adapter 0

Copper Fitting Adapters 0

Tees 0

Reducing Tee 0

Copper Reducing Tee 0Cast Iron Reducing Tee 0Black Reducing Tee 0

Black Tee 0Galvanized Tee 0Brass Purge 0Brass Tee Drain 0Cast Iron Tees 0Baseboard Vent Tees 0Copper Tee 0

Valves 0

Bronze Packed Line 0Check 0Flange Union 0Flow Control 0Full Port Ball 0Gas Ball 0In-Line Spring Check 0Pressure Bypass Valve 0Safety Relief 0Air Charger 0Service Valve 0Combo Autofill/Pressure Reducing 0Steam Safety Relief 0Backflow 0Swing Check 0Brass Gate Valve 0Balancing 0Uni-Flange 0Ball Drain 0Ball Drain Strainer 0Brass Uni-Flange Ball 0Boiler Drain 0

Press Fitting Valves 0

Brass Ball 0Brass Uni-Flange Ball 0Mixing Valves 0Combo Autofill/Pressure Reducing 0Zoning Valves 0

Press Fitting Tees 0

Drain 0

Brass Tee Drains 0

Copper Reducing Tees 0Copper Tees 0

Conversion Kits 0Trim 0Mounting Accessories 0Tools 0Air Vents 0Controls 0

tekmar Controls and Acc. 0Misc. Controls 0Control Accessories 0Safety Controls 0

Condensate Mgmt. 0

Neutralization 0

Gauges 0Replacement Parts 0Boiler Chemicals 0Separators 0Piping 0

Heat Sink 0Black Pipe 0Copper Pipe 0Water-Gate Kit 0Sealants 0Cut Pipe 0

Venting 0

Hoods 0Dampers 0Venting Components 0

Traps 0

Radiant Heating 0

Insulation 0Hydronic Radiant Heating 0

Underfloor Radiant Heating 0

PEX Tubing 0Onix Tubing 0PEX-AL-PEX Tubing 0

Zone Panel Kits 0Heat Exchangers 0Tubing Accessories 0

Manifolds 0Fittings 0Misc. 0Tools 0

Electric Radiant Heating 0

Electric Radiant Heating Accessories 0

Radiators 0

Radiator Accessories 0

Replacement Parts 0Valves 0Controls 0Mounting Accessories 0Air Vents 0

Hydronic Radiators 0

Pumps and Valves 0

Hydronic Zoning Blocks 0

Z-Block Parts 0Z-Block 0

Valves 0

Zoning Valves 0Mixing Valves 0

Pump and Valve Accessories 0

Flanges 0Zone Controls 0Replacement Parts 0

Circulation Pumps 0

Multi-Speed Circulation Pumps 0In-Line Circulation Pumps 0Variable Speed Circulation Pumps 0

Forced Air 0

Unit Heaters 0

Unit Heater Accessories 0Gas-Fired Unit Heaters 0

Wall Furnaces 0

Wall Furnace Accessories 0Gas-Fired Wall Furnaces 0

IAQ 0

Humidity Control 0

Humidity Control Accessories 0

Cleaners and Treatments 0Replacement Parts 0Misc. Accessories 0Controls 0

Humidifiers 0Dehumidifiers 0

Ventilation 0

Fresh Air Systems 0Air Cleaning 0

Treatments 0Air Purifiers 0Air Cleaning Accessories 0

Replacement Parts 0

Air Cleaners 0

Fans 0

Exhaust Fans 0Fan Accessories 0

Grilles 0Dampers 0

In-Line Fans 0Booster Fans 0

Ductless Mini Splits 0

Multi-Zone Systems 0Single Zone Systems 0

Single Zone Ceiling Cassette Systems 0Single Zone Concealed Duct Systems 0Single Zone Wall Mount Systems 0

Mini Split Outdoor Units 0

Single-Zone 0Multi-Zone 0Single Zone 0

Mini Split Indoor Units 0

Multi-Zone Indoor Units 0

Ceiling Cassette Indoor Units 0Concealed Duct Indoor Units 0Wall Mount Indoor Units 0

Single Zone Indoor Units 0

Ceiling Cassette Indoor Units 0Wall Mount Indoor Units 0

Mini Split Accessories 0

Mounting Accessories 0Condensate Mgmt. Pumps 0Cleaners and Treatments 0Electrical Accessories 0Fittings and Adapters 0Grilles 0Refrigerant Lines 0

Misc. Refrigerant Accessories 0Line Set Covers 0Mini Split Linesets 0Lineset Covers 0

Central Split 0

Central Split Accessories 0

Controls 0

Zoning Controls 0Misc. Controls 0

Tools 0Refrigerant Lines and Gases 0

Filter Driers 0Central Split Linesets 0Refrigerant and Gases 0Insulation 0Misc. Refrigerant Accessories 0Tanks 0

Filters 0

MERV Rated 0

Sheet Metal 0

Start Collars - Takeoffs - and Flowtites 0

Adjustable Takeoffs 0Start Collars 0Extended Start Collars 0Flowtites and Conicals 0

Straight Boots 0Register Pans 0End Boots 0Elbow Boots 0Ceiling and Floor Boxes 0Return Air Box 0

Duct and Duct Accessories 0

Joist Panning 0Cleats and Hangers 0Sheet Metal 0Fiberglass 0Rectangular Duct 0Duct Sleeves 0Duct Start Collars 0Flex Duct 0Boots and Coil Boxes 0Registers 0

Standard Registers 0Registers with Damper 0Diffusers 0

Duct End Caps 0Sealants 0Cold Air Return Fittings 0Liners - Wraps - and Insulation 0Spiral Ducting 0Vertical Elbows and Angles 0Duct Reducers 0Flat Elbows and Angles 0

Wall Stacks 0

Stack Accessories 0Stack Boots 0Stack Heads 0Wall Stacks 0

Plenums 0

Drain Pans 0Plenums 0

Dampers 0Pipe and Pipe Accessories 0

Round Pipe and Fittings 0

Round Pipe 0Round Elbows and Angles 0Straight Tees 0Wye Branches 0Reducers and Increasers 0Tee Caps 0Drawbands and Dampers 0

Oval Pipe and Fittings 0

Oval to Round Boots 0Oval Pipe 0Oval In-Line Register Boxes 0Oval Start Collars 0Oval Stackheads 0Oval Elbows and Angles 0

Venting 0

Dampers 0B-Vent 0Chimney Liners 0Venting Materials 0Hoods 0Vent Components 0Vent Kits 0

Cleaners and Treatments 0Mounting Accessories 0Replacement Parts 0Metering Devices 0

TXVs 0Pistons 0

Conversion Kits 0Condensate Mgmt. 0

Condensate Mgmt. Pumps 0Traps 0Drain Pans 0Tubing 0Drain Kits 0

Aux. Heat Kits 0

Central Split Equipment 0

Condensers 0

Heat Pump Condensers 0AC Condensers 0

Evaporator Coils 0Air Handlers 0Furnaces 0

High-Velocity Forced Air 0

Unico Supply Tubing 0Unico Heating Modules and Hot Water Coils 0Unico Air Handlers 0Unico Cooling Modules and Cooling Coils 0Unico Plenums 0Unico Replacement Parts 0Unico Electric Duct Furnaces 0Unico Accessories 0Unico Outlets 0

Filter Results Showing 1 - 12 of 48 results

Stock Status

Show In Stock Only

How to find your HVAC Solution?

Welcome to Solutions Page – Michael Bleier

Gibson 80% Furnaces – Great Everyday Choice

Why Bosch Heat Pumps?

Why Bosch Ductless?

Weil-McLain Standard Boilers

NTI TRX Combi Boilers

What’s a Press Fitting?

What’s a Press Fitting?

Reducing Coupling

Featured Categories

Galvanized Reducing Couplings (4)

Black Iron Reducing Couplings (26)

Copper Reducing Couplings (18)

Products

Reducing Coupling – 1-1/2″ x 1″ – Black Iron

Reducing Coupling – 1-1/2″ x 1-1/4″ – Black Iron

Reducing Coupling – 1-1/2″ x 3/4″ – Black Iron

Reducing Coupling – 1-1/4″ x 1″ – Black Iron

Reducing Coupling – 1-1/4″ x 1/2″ – Black Iron

Reducing Coupling – 1-1/4″ x 3/4″ – Black Iron

Reducing Coupling – 1/2″ x 1/4″ – Black Iron

Reducing Coupling – 1/2″ x 1/8″ – Black Iron

Reducing Coupling – 1/2″ x 3/8″ – Black Iron

Reducing Coupling – 1″ x 3/4″ – Black Iron

Reducing Coupling – 1″ x 1/2″ – Black Iron

Reducing Coupling – 2″ x 1″ – Black Iron

Stock Status

Brands

Categories

Stock Status

Brands

Categories