Welcome to RM Cotton's online store

Welcome to RM Cotton Company, Largest Hydronic Inventory in the Midwest!

  • Boilers
  • Burners
  • Pumps
  • Water Heaters
  • Accessories

If you can't find what you are looking for call us at 763.473.4640

Cart 0

Heat Timer

Our products combine the needs of the industry with up-to-the-minute technology. Our product development begins with the customer.