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Technical Articles

RLS LLC has published these technical articles:

(Fittings and Flanges)
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Refrigerants approved for use with RLS fittings...
(Fittings and Flanges)
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There has been a “code war” raging over eliminating the use of listed press-connect fittings for refrigeration currently allowed by the Uniform Mechanical Code (UMC). ACCA’s Codes...
(Fittings and Flanges)
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Article answering FAQs regarding troubleshooting, installation, press tools, technical, etc. about refrigerant fittings...
(Fittings and Flanges)
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Sharp edges on copper tube ends may cause damage....
(Hand Tools)
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Plumbing press-to-connect fittings were introduced approximately 20 years ago. Today, there are numerous press fitting manufacturers in the plumbing market – all with a nearly identical fitting...
(Fittings and Flanges)
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RLS fittings are only to be installed with RLS approved press tools and jaws. These are commercial and industrial tool and jaw sets — read the tool manuals in complete detail. Proper training is...
(Fittings and Flanges)
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When you're driving 70 miles per hour and come to a sharp turn, you have to slow down. The sharper the curve, the slower you have to go. Well, that's exactly what happens with fluid flowing through an...
(Flow Sensing)
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Short radius elbows slow refrigerant flow and can cause system damaging pressure drops....
(Fittings and Flanges)
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How Sam Wyatt with Protec Industrial uilized RLS press fittings to deliver high quality work, win more jobs and increase efficiency, profits....
(Fittings and Flanges)
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Get reliable, flame-free connections in seconds with RLS, the original HVAC/R press fittings. Just prep the copper tube ends and then let the battery-powered tool do the work. Our patented technology...
(Fittings and Flanges)
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When irreplaceable historical artifacts and national treasures are at risk, the use of an open flame nearby is just too dangerous. So RLS press fittings were the obvious choice for a project at a...
(Fittings and Flanges)
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Make sure that all the tools and installation aids are available prior to beginning installation. The following list is to be used as a reference:...
(Fittings and Flanges)
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RLS HVAC/R Press Fittings Compared to Modified Plumbing Fittings....
(Fittings and Flanges)
From this Article:
the findings of five independent tests performed to verify the effectiveness, durability and installation time savings of RLS press fittings/connections in high-pressure refrigeration systems,...