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RLS Ends Relationship with Parker Hannifin Corporation

SHELBINA, Mo. — RLS LLC (RLS) will no longer supply its patented press fittings to Parker Hannifin Corporation (Parker) for the ZoomLock brand. RLS is making this announcement to help avoid confusion in the marketplace as to the source and quality of fittings sold under the ZoomLock brand going forward.

RLS is a subsidiary of Marmon Holdings, Inc., a Berkshire Hathaway company. RLS designs, develops, and proudly manufactures in America its patented fittings engineered for highpressure connections in the air conditioning and refrigeration industries. By replacing the time-consuming and demanding conventional practice of manually brazing copper joints, RLS’s fittings allow for faster, more consistent connections that reduce total installed cost while enhancing safety.

RLS introduced its patented fittings in 2015 and partnered exclusively with Parker at that time. RLS has since manufactured and supplied millions of fittings for Parker’s Sporlan Division to sell under the ZoomLock brand. However, RLS recently decided not to renew its exclusive partnership with Parker. This decision was made, in part, because RLS believes discounted pricing provided to Parker was not passed along to customers as intended. Paul Schubert, President of RLS LLC, said Parker has paid back most of the discounts at issue and RLS expects to fully recover the remaining funds.

RLS has also learned Parker plans to source fittings for its ZoomLock brand from Conex Universal Limited (“Conex”) in the United Kingdom. RLS previously filed patent lawsuits against Conex in the United States and the United Kingdom alleging Conex infringed claims of RLS’s patents. RLS and Conex agreed to settle the lawsuits. As part of the settlement, Conex agreed, without admitting liability or infringement, that it would stop selling the design of its fitting that RLS accused of infringement in the lawsuits.

Today, RLS’s patented fittings remain the only complete range of refrigerant press fittings and are featured in the Copper Tube Handbook. They are also backed by a 10-year limited warranty and proven by millions of fittings installed.

“To be clear, RLS will no longer supply its patented, proven, and made in America product line to Parker to sell under the ZoomLock brand,” Schubert said. “To ensure end users are equipped with the high-quality product they need and have come to expect, look for RLS’s fittings under its own branding going forward. The RLS brand is your assurance of the same quality connection.”

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