Business Groups

Plumbing & Refrigeration

Technologies and products to keep critical systems operating smoothly.

Going With the Flow

How Marmon Supports
Vital Systems

Plumbing, HVAC (heating, ventilation, air-conditioning) and refrigeration systems all depend on the reliable and efficient flow of air and fluids.

That’s where we come in. Marmon Plumbing & Refrigeration companies supply high quality copper tubing and fittings for the plumbing and HVAC/R markets, and aluminum and brass forgings for many commercial and industrial applications.

RLS employee at work

New From Marmon

CerroZone™ Purifiers for Cleaner Indoor Air

Percent elimination of live COVID-19 virus in under 14 seconds at MRI Global

Percent elimination of live COVID-19 virus in a single pass at the University of Missouri Laboratory for Infectious Diseases

Percent kill rate on synthetic COVID-19 virus at ARE Laboratories

Employee at work in Coilmaster facility

With Marmon Products, All Systems Are Go

Our group of companies serves the plumbing, HVAC/R and other industrial markets with a variety of innovative products.

  • Copper tubing and fittings for residential and commercial plumbing
  • Linesets for heating and air-conditioning installations
  • Patented press-to-connect fittings for high-pressure air-conditioning and refrigeration lines
  • Heat exchanger coils, fluid coolers and remote air-cooled condensers for the OEM and replacement markets
  • Sheet metal products for the air distribution and ventilation market
  • Brass fittings, valves and forgings for commercial and industrial applications
  • Mobile air purification units
RLS Product
Plumbing and Refrigeration product.
Employee at work in Coilmaster production facility.

Learn More

Our Plumbing & Refrigeration Businesses

Marmon’s Plumbing & Refrigeration companies share a commitment to providing innovative, high-performance products, and top-notch service.

Do You Know Plumbing & Refrigeration?
Marmon Could Be The Place For You

Check out the career opportunities in our group –
from positions in R&D to manufacturing, finance to sales, and more.

See Job Openings Across Plumbing & Refrigeration