Douglas Heating Supply Plumbing Parts

Plumbing Parts - Kalamazoo, Mi

Douglas Heating Supply has a large selection of plumbing parts for any project or unit that you mightDouglas Heating Supply Plumbing 2have. For the DIY, We carry a large selection of parts for most units - wholesale to the public. Whatever part of your plumbing system that needs parts,  Douglas Heating Supply has your plumbing part at wholesale prices.  We have a large supply of plumbing faucets, valves and plumbing parts in Kalamazoo, Mi. 

We have a 10,000-square-foot warehouse in Kalamazoo, Mi, you are welcome to come to check out our inventory of Plumbing products.  At Douglas Heating Supply Co., we provide you with the best product along with excellent customer service. Give us a call any time and explore all the plumbing products and services we have available for you today.  Better products and better customer service is a reality, and it’s just one phone call away! We look forward to serving you and your customers!.

We Carry Most Plumbing Parts:



  • Cartridges & Stems
  • Aerators & Adaptors
  • Handles

    Douglas Heating Supply Plumbing


  • Drains & Traps
  • Spouts
  • Tub/Shower Trim Kit


  • Levers
  • Flush Valves
  • Flappers
  • Fill Valves
  • Shut Off Valves & Supply Lines
  • Wax Rings

Douglas Heating Supply in Kalamazoo, Mi can find the plumbing parts for you if we do not have it in stock.  We are the DIY paradise finding all the right parts to fix your heating unit at wholesale prices.  Call us today and ask our knowledgable staff to help guide your project.



Wholesale to the Public. Satisfaction Guaranteed!


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Find the parts and units you are looking for . . . right from the comfort of home. Shop 24 hours a day, 7 days a week!