Trusted Hydronics and Plumbing Products Supplier

At RM Cotton, we’re proud of our legacy of delivering proven and reliable products with unbeatable service since 1956. Mechanical and HVAC professionals rely on us for commercial and industrial boiler, burner, pump, and water heater solutions delivered efficiently and effectively. Exceeding customer service and continuing our tradition of excellence drives everything we do.


Project Consulting

RM Cotton provides professional consultation on hydronic and plumbing system projects of all sizes. Combining 60+ years of industry experience and expertise with our vast inventory of quality products, no project is too big or too small for our specialists. From equipment sizing and selection assistance to system evaluation and service training, trust RM Cotton’s experts for all your engineering support needs.

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Manufacturers We Carry

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