Refrigerant Shortage: Due to nationwide supply chain issues, Wolff is experiencing shortages of R32 & R454B refrigerants. We appreciate your patience. Thank you for your understanding.
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(Last Updated 03/2025)

Electrical Line Card

  • Conduit & Fittings:


    • Adalet
    • Allied Moulded
    • Allied Tube & Conduit
    • American Fittings Corp
    • Anamet – Anaconda
    • Arlington Industries
    • Atkore
      • AFC Cable Systems
      • Allied Tube & Conduit
      • Konkore
    • Berry Global
    • Bridgeport
    • Caddy
    • Calpipe Industries
    • Cantex
    • Capitol / Conduit Pipe Products
    • Carlon
    • Chalfant (non-stock)
    • Eaton
      • Cooper Wiring Devices
      • Crouse-Hinds
      • Electrical Sector
    • Emerson
      • Appleton
      • McGill
      • Neer
      • O-Z/Gedney
      • SolaHD
    • Erico
    • Galvan
    • Harger Lightning & Grounding
    • HellermannTyton
    • Heritage Plastics
    • Hubbell
      • Burndy
      • Kellems
      • Killark
      • Power Solutions
      • Raco
      • Wiring Devices
    • International Metal Hose
    • IPEX – Kraloy
    • Legrand
      • Cablofil
      • Connectrac
      • Pass & Seymour
      • Wiremold
    • M&W Electric
    • National Pipe
    • Orbit
    • Picoma
    • Queen City
    • Republic / Nucor
    • Royal Building Products
    • Shamrock
    • Southern Grounding
    • Southwire
      • Components (Boxes, Fittings)
      • Maxis Tools
      • Topaz Lighting
    • Wago
    • Western Tube
    • Wheatland Tube
  • Distribution Gear:


    • ABB
      • Carlon
      • T&B
    • Arco Roto-Phase (non-stock)
    • Eaton – Cutler-Hammer
    • Edison
    • E-Mon
    • Generac
    • Hammond Mfg. - Enclosures
    • Hoffman
    • Leviton
    • Milbank
    • Morris
    • Robroy – Stahlin
    • Ronk
    • Saylor
    • Schneider Electric
    • Siemens
  • Wiring Devices & Accessories:


    • Eaton – Cooper Wiring Devices
    • Hubbell
    • K&H Industries
    • Legrand P&S
    • Leviton
    • Lutron
    • Molex – Woodhead
    • Mulberry
    • Remke
    • Sensor Switch
    • Wattstopper
  • Lighting:


    • ABB – Emergi-Lite
    • Acuity Brands
    • Advance – Signify Ballasts
    • AFX
    • American Lighting
    • Appleton
    • Atlas
    • Barron – Exitronics
    • Canarm
    • Cooper Lighting
    • Current
      • GE Fixtures
      • GE Lamps
      • Hubbell Lighting
    • Crouse Hinds (non-stock)
    • Dialight (non-stock)
    • Eiko
    • Elite Lighting
    • Feiss
    • Fulham
    • Halco
    • Hinkley Lighting (non-stock)
    • Holophane (non-stock)
    • ISB – Sola Ballast
    • Keystone
    • Kichler
    • Ledvance
    • Light Efficient Design
    • Liteline
    • Maxlite
    • Minka Lavery Lighting
    • National Specialty Lighting
    • Nora
    • Progress
    • Quoizel
    • RAB
    • Satco / Nuvo
    • Seagull
    • Signify – Bodine (non-stock)
    • TCP
    • TPI
    • Tech Brite
    • WAC Lighting
    • Wave Lighting

    **many Lighting vendors available, inquire with sales!

  • Wire & Cable:


    • Southwire
  • Misc. Accessories:


    • 3M
    • Airmaster
    • Baldor (non-stock)
    • Berko
    • BRK Electronics
    • Broan-Nutone
    • Brother Ideal
    • Buchanan
    • Burndy
    • Consolidated Construction
    • Current Technology
    • Delta Lighting Arrestors
    • Edison
    • Edwards Signaling
    • Erico – Cadwell
    • Federal Signal
    • Easy Heat
    • Flex Strut
    • Galvan
    • Harger
    • Honeywell – E-Mon
    • Ideal
    • Ilsco
    • Intermatic
    • Interstate Battery
    • Kidde
    • Kleinhuis
    • Lew
    • Macromatic
    • Marathon Special Products
    • Melinz
    • Mencom (non-stock)
    • Mersen
    • Metallics
    • NSI – Tork
    • Oatey Co.
    • Old Castle – Synertech
    • Panasonic
    • Panduit
    • Penn Union
    • Quikrete
    • Sonotube / Greif
    • SSAC
    • Sycom
    • Symcom / Littelfuse
    • Tapcon
    • The Rectorseal Company
    • Thiel
    • Time-Mark
    • TPi – Markel
    • Wago
    • WW Cross – Viking Staples
    • Zieglers Bolt & Nut
  • Tools:


    • Greenlee
    • iTool
    • Ideal
    • Johnson Level
    • Klein
    • Knipex
    • Malco
    • Milwaukee
    • Rack-a-Tiers
    • Ridgid
    • Southwire

Plumbing Line Card

  • Pipe, Valves & Fittings:


    • Aco
    • American Granby
    • Anaco
    • Anvil / Smith Cooper
    • Bilco
    • BMI
    • Bow Industrial
    • Brasscraft
    • Bruco
    • C.B.Supplies
    • Centennial Plastics
    • Cresline
    • Daughtridge
    • Elkhart Products
    • Everflow Supplies
    • Fernco
    • Fisher Regulators
    • Form-A-Drain
    • George Fischer
    • GPK
    • Hailiang
    • Hancor / ADS
    • Harrington
    • Heritage Plastics
    • Ipex
    • IPS
    • J-M Manufacturing
    • Jomar
    • Jones Stephens
    • Kessler
    • KGM: Koons Gas Measurements
    • Lasco / Westlake Fittings
    • Lesso
    • Lavelle
    • Legend Valve
    • Merfish / United Pipe & Steel
    • Merit Brass
    • Midland Metal / Century Brass
    • Mueller Industries
    • National Pipe
    • New Age Casting
    • Nibco
    • Normandy Products
    • North American Pipe
    • Oil Creek Plastics
    • Pasco Perfection
    • Quick Fitting Holding Co.
    • R.L. Wurz
    • Rapid Locking Systems
    • Royal Building Products
    • Sanderson Pipe Corp.
    • Service Metal
    • Sharkbite
    • Sioux Chief
    • Sloan
    • Smith Blair (non-stock)
    • Smith Cooper
    • Spears
    • SVF
    • Uponor / Wirsbo
    • Viega
    • Ward Manufacturing
    • Wardlfex
    • Wheatland Tube
    • WL Plastics / Charter Plastics
  • Fixtures & Faucets / Misc.:


    • American Marble
    • Barclay Basco
    • Bemis
    • Blanco
    • Brizo
    • CFG
    • Camco
    • Cherne
    • Chicago Faucets
    • Corian
    • Dayton
    • Delta
    • Dreamline
    • EL Mustee
    • Elkay
    • Fluidmaster
    • Gerber
    • Hercules
    • In-Sink-Erator
    • JB products
    • J.C.Whitlam
    • KGM: Koons Gas Measurements
    • Kohler
    • Maax / Aker
    • Matco-Norca
    • Mansfield
    • Moen
    • Neptune
    • Oasis Bath
    • Oatey
    • Saniflo
    • Sloan
    • Speakman
    • Sterling
    • Swan
    • T&S Brass
    • The Rectorseal Company
    • Union Brass
    • Watco
    • Zurn
  • Pumps, Tanks, & Water Treatment:


    • AKI
    • Always Fresh
    • American Granby
    • Amtrol
    • Armstrong
    • Flag City Water Systems
    • Flint & Walling
    • Glentronics
    • Grundfos
    • Ion Products
    • Keen Pumps (non-stock)
    • Liberty Pumps
    • Little Giant
    • Myers
    • Septic Products (non-stock)
    • Taco
    • Water Soft
    • Watts
    • Well-X-Trol
    • Wilkins
    • Zoeller Company
    • Zilmet
  • Water Heating:


    • A.O. Smith
    • Eemax
    • Navien
  • Cabinets:


    • Bertch Vanities
    • Dura Supreme
    • Legacy Medallion
    • Medallion
    • WF Cabinetry
  • Counter Tops:


    • Caesarstone
    • Cambria
  • Cabinet Hardware:


    • Atlas
    • Hafele America Hardware
    • Resources Richelieu
    • Top Knobs
  • Tools & Accessories:


    • Diablo
    • General Pipe Cleaners
    • Klein
    • Knipex
    • Malco
    • Mill-Rose
    • Milwaukee
    • Rigid
  • Misc.:


    • John S. Grimm
    • Wolverine

HVAC Line Card

  • Air Distribution:


    • Air King
    • American Standard
    • Apco - UV Lights
    • Aprilaire
    • Armacell
    • Arzel
    • Basset
    • Broan
    • Canarm
    • Dundas Jafine
    • Dust Free
    • Ecobee
    • Fantech
    • Field Controls
    • GlasFloss
    • Gray Metal
    • Greenheck
    • Hart & Cooley
    • Innovative Energy
    • Johns-Manville
    • JP Lamborn
    • K-Flex
    • Kichler
    • Knauf
    • Kroy
    • Lukjan
    • Metal-Fab
    • Naco Industries
    • Panasonic
    • Pro1
    • Reflectix
    • Residio
    • RGF
    • S&P (non-stock)
    • Thermo-O-Pan
    • Truaire
    • Ventamatic
    • White Rodgers
    • Z-Flex
  • Hydronics & Supplies:


    • AO Smith Amtrol
    • Amvic
    • Argo
    • Armstrong
    • B&G
    • Grunfos
    • Hoffman Specialty
    • Maid-O-Mist
    • McDonnel & Miller
    • Navien
    • Peerless
    • Taco
    • Uponor / Wirsbo
    • Viega
    • Watts
    • Webstone
  • HVAC Equipment:


    • ADP
    • American Standard
    • ClimateMaster
    • Comfort-Aire
    • GE Appliances / Haier
    • LG
    • Modine
    • Napoleon
    • Perfect-Aire
    • Reznor
    • Thermo Products
  • Refrigerant & Recovery Tanks:


    • Arkema – Forane
    • Chemairs
    • Diversitech
    • Pro Charge
    • Worthington Cylinders
  • Supplies & Accessories:


    • 3M
    • Airex
    • B&D Mfg.
    • Beckett
    • Bramec
    • Carlisle HVAC Products
    • Charter Plastics
    • CRC Industries
    • Crown Eng.
    • Danfoss
    • Delavan Spray Tech.
    • Diversitech
    • Duro-Dyne
    • E. James & Company
    • Emerson
    • Fisher
    • Flush-It
    • France
    • General Filters
    • Geo-Flo Products
    • ICM Controls
    • Lau
    • Linesets Inc.
    • Little Giant
    • Malco
    • MARS (Motors & Armatures)
    • Maxitrol
    • Nu-Calgon
    • Oatey Co.
    • Paramount Concepts
    • Polyken
    • Propad
    • Quick-Sling
    • Rapid Locking Systems
    • Rectorseal
    • Shurtape
    • System Sensor
  • Tools & Test Instruments:


    • Appion
    • Bacharach
    • Fieldpiece
    • Fluke
    • General Wire
    • Greenlee
    • Ideal
    • JB Industries
    • Klein
    • Knipex
    • Malco
    • Milwaukee
    • Nabac
    • Reed
    • Refco
    • Ridgid
    • Werner
    • Wiss / Crescent
    • Yellow Jacket
    • Zebra Instruments
  • Heaters:


    • Berko
    • Cadet
    • Easy Heat
    • Enerco
    • Markel
    • Schwank
    • Raychem