{"product_id":"lawton-acr-copper-straight-coupling","title":"Lawton ACR Copper Straight Coupling","description":"\u003c!-- SEO Product Name: Lawton ACR Copper Straight Coupling 1\/4\"-3\/4\" | RFCP14 | ASME B16.22 --\u003e\n\u003cdiv style=\"font-size:16px;max-width:900px;margin:0 auto;line-height:1.6;color:#222;font-family:Arial,Helvetica,sans-serif;\"\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eThe Lawton ACR copper straight coupling (C x C) joins two lengths of \u003cstrong\u003erefrigeration-grade copper tube\u003c\/strong\u003e with a \u003cstrong\u003ebrazed capillary joint\u003c\/strong\u003e. It is a \u003cstrong\u003eseamless, one-piece fitting made to ASME B16.22\u003c\/strong\u003e, which makes it strong and easy to use, and it is \u003cstrong\u003ecleaned for air conditioning and refrigeration (ACR) service\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eUse it to repair or extend soft copper coil on split air conditioning pipework, or wherever two tube ends need a permanent brazed connection. Available in \u003cstrong\u003e1\/4\", 3\/8\", 1\/2\", 5\/8\" and 3\/4\"\u003c\/strong\u003e sizes, with working pressures of \u003cstrong\u003e90 to 150 bar\u003c\/strong\u003e up to 100 °C and compatibility with \u003cstrong\u003eR32, R410A and other common refrigerants\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:10px;margin:26px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003e1\/4\" to 3\/4\"\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003eFive fitting sizes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003eASME B16.22\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003eManufacturing standard\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003e90 to 150 bar\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003eMWP up to 100 °C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003eCW024A\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003eCopper material\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003eSeamless\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003eOne-piece construction\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px;background:#008377CF;color:#ffffff;border-radius:8px;padding:16px 10px;text-align:center;\"\u003e\n\u003cdiv style=\"font-size:1.25em;font-weight:700;line-height:1.15;\"\u003ePED\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.8em;margin-top:6px;opacity:0.95;\"\u003eCompliant component\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:5px solid #c0392b;background:#fdf2f2;border-radius:0 6px 6px 0;padding:14px 18px;margin:18px 0;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#c0392b;margin-bottom:5px;\"\u003e⚠ F-Gas certified engineers only\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.95em;color:#1f2d2c;\"\u003eBrazing and pressure testing on refrigerant pipework must be carried out by suitably F-Gas certified engineers. Flow oxygen-free nitrogen through the pipe while brazing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:5px solid #e67e22;background:#fdf8f2;border-radius:0 6px 6px 0;padding:14px 18px;margin:18px 0;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#b35f00;margin-bottom:5px;\"\u003e⚠ Brazed fittings are not for pressing\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.95em;color:#1f2d2c;\"\u003eThese are capillary fittings for brazing. They are not interchangeable with MaxiPro press fittings, and brazing close to an existing pressed joint can damage its seal.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:5px solid #008377CF;background:#f0f9f8;border-radius:0 6px 6px 0;padding:14px 18px;margin:18px 0;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#00695f;margin-bottom:5px;\"\u003eℹ Part codes\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.95em;color:#1f2d2c;\"\u003eLawton part codes are RFCP14 (1\/4\"), RFCP38 (3\/8\"), RFCP12 (1\/2\"), RFCP58 (5\/8\") and RFCP34 (3\/4\").\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377CF;font-size:1.3em;margin:34px 0 14px;border-bottom:2px solid #008377CF;padding-bottom:6px;\"\u003eKey features\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:14px;margin:22px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e🧱\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003eSeamless one-piece\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003e\n\u003cstrong\u003eSeamless, one-piece construction\u003c\/strong\u003e makes the fitting stronger and easier to use than fabricated joints.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e🧼\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003eClean for ACR\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003e\n\u003cstrong\u003eClean, smooth inner surface\u003c\/strong\u003e with carbon content of 0.38 mg\/dm² or less, suited to refrigeration and air conditioning circuits.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e💪\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003eHigh pressure ratings\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003eBurst pressure from \u003cstrong\u003e280 bar (3\/4\")\u003c\/strong\u003e up to \u003cstrong\u003e500 bar (1\/4\")\u003c\/strong\u003e, with a safety factor of at least 3 applied to the working pressure.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e🔥\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003eBrazed joint\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003e\n\u003cstrong\u003eSoldering and brazing\u003c\/strong\u003e jointing with electrical continuity maintained across the joint.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e🔎\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003eTraceable marking\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003e\n\u003cstrong\u003ePermanent marking\u003c\/strong\u003e with the Lawton logo and size on each fitting.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;border:1px solid #d5e8e6;border-top:4px solid #008377CF;border-radius:6px;padding:16px 16px 14px;background:#ffffff;\"\u003e\n\u003cdiv style=\"font-size:1.5em;margin-bottom:6px;\"\u003e🛡️\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:6px;\"\u003e75-year warranty\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.93em;color:#333;\"\u003e\n\u003cstrong\u003e75-year warranty\u003c\/strong\u003e from Lawton, subject to its standard terms and conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377CF;font-size:1.3em;margin:34px 0 14px;border-bottom:2px solid #008377CF;padding-bottom:6px;\"\u003eTechnical specification\u003c\/h3\u003e\n\u003cdiv style=\"margin:18px 0 26px;border:1px solid #d5e8e6;border-radius:6px;overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF;color:#ffffff;padding:10px 16px;font-weight:700;\"\u003eFitting\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eType\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eStraight coupling, copper x copper (C x C)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF;color:#ffffff;padding:10px 16px;font-weight:700;\"\u003eMaterial and build\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eBrand\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eLawton Tubes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eMaterial\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eCW024A copper, 99.90 % copper content (including silver)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eConstruction\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eSeamless, one-piece, end-feed capillary fitting\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eStandard\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eASME B16.22\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eJointing method\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eSoldering or brazing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eElectrical continuity\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eYes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eInner surface quality\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eClean and smooth, carbon content ≤ 0.38 mg\/dm²\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eMarking\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003ePermanent marking with Lawton logo and size\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003ePressure Equipment Directive\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eCompliant component for PED assemblies\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eWarranty\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003e75 years, subject to Lawton's standard terms and conditions\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF;color:#ffffff;padding:10px 16px;font-weight:700;\"\u003eCompatible refrigerants\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 16px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 200px;font-weight:700;color:#1f2d2c;padding-right:12px;\"\u003eRefrigerants\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;color:#333;\"\u003eR32, R134a, R410A, R404A, R407C, R407F, R1234yf, R1234ze, R744 (CO₂) and other common refrigerants\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377CF;font-size:1.3em;margin:34px 0 14px;border-bottom:2px solid #008377CF;padding-bottom:6px;\"\u003eAvailable sizes and maximum working pressures\u003c\/h3\u003e\n\u003cdiv style=\"margin:18px 0 26px;border:1px solid #d5e8e6;border-radius:6px;overflow:hidden;\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#008377CF;color:#ffffff;padding:10px 12px;font-weight:700;\"\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;\"\u003eSize\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;\"\u003eLawton part code\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;\"\u003eBurst pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;\"\u003eMWP up to 55 °C and 100 °C\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;\"\u003eMWP up to 150 °C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 12px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:700;color:#333;\"\u003e1\/4\"\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003eRFCP14\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e500 bar\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e150 bar\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e131 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 12px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:700;color:#333;\"\u003e3\/8\"\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003eRFCP38\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e360 bar\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e120 bar\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e105 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 12px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:700;color:#333;\"\u003e1\/2\"\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003eRFCP12\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e320 bar\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e100 bar\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e87 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#f4faf9;padding:9px 12px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:700;color:#333;\"\u003e5\/8\"\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003eRFCP58\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e300 bar\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e100 bar\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e87 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;background:#ffffff;padding:9px 12px;border-bottom:1px solid #e3efee;\"\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:700;color:#333;\"\u003e3\/4\"\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003eRFCP34\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e280 bar\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e90 bar\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 110px;padding:2px 6px;font-weight:400;color:#333;\"\u003e79 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377CF;font-size:1.3em;margin:34px 0 14px;border-bottom:2px solid #008377CF;padding-bottom:6px;\"\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cdiv style=\"margin:18px 0;\"\u003e\n\u003cdetails style=\"border:1px solid #008377CF;border-radius:6px;margin:0 0 10px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#ffffff;padding:12px 16px;font-weight:700;cursor:pointer;\"\u003eWhat is the difference between this and a MaxiPro press coupler?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px;background:#ffffff;color:#333;\"\u003eThis is a capillary fitting joined by brazing, using heat and filler alloy. A MaxiPro coupler is a mechanical press fitting made with a press tool and needs no flame or nitrogen purge.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF;border-radius:6px;margin:0 0 10px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#ffffff;padding:12px 16px;font-weight:700;cursor:pointer;\"\u003eWhich tube does it fit?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px;background:#ffffff;color:#333;\"\u003eIt fits ACR copper tube of the same nominal outside diameter, such as 1\/4\", 3\/8\", 1\/2\", 5\/8\" and 3\/4\" ACR tube to EN 12735-1.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF;border-radius:6px;margin:0 0 10px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#ffffff;padding:12px 16px;font-weight:700;cursor:pointer;\"\u003eDo I need nitrogen when brazing?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px;background:#ffffff;color:#333;\"\u003eYes. Purge the pipe with oxygen-free nitrogen while brazing to prevent oxide scale forming inside the tube.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF;border-radius:6px;margin:0 0 10px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#ffffff;padding:12px 16px;font-weight:700;cursor:pointer;\"\u003eIs it suitable for R32 and R410A?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px;background:#ffffff;color:#333;\"\u003eLawton lists R32, R410A, R134a, R404A, R407C, R407F, R1234yf, R1234ze and R744 among the refrigerants its ACR fittings suit. Always check the system design pressure and unit manufacturer's instructions.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF;border-radius:6px;margin:0 0 10px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#ffffff;padding:12px 16px;font-weight:700;cursor:pointer;\"\u003eDoes it meet pressure equipment requirements?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px;background:#ffffff;color:#333;\"\u003eLawton describes its ACR capillary fittings as compliant components for assemblies subject to the Pressure Equipment Directive.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lawton Tubes","offers":[{"title":"1\/4\"","offer_id":67554039300486,"sku":"RFCP14","price":0.37,"currency_code":"GBP","in_stock":true},{"title":"3\/8\"","offer_id":67554039333254,"sku":"RFCP38","price":0.38,"currency_code":"GBP","in_stock":true},{"title":"1\/2\"","offer_id":67554039366022,"sku":"RFCP12","price":0.63,"currency_code":"GBP","in_stock":true},{"title":"5\/8\"","offer_id":67554039398790,"sku":"RFCP58","price":0.51,"currency_code":"GBP","in_stock":true},{"title":"3\/4\"","offer_id":67554080981382,"sku":"RFCP34","price":1.07,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/LawtonACRCopperStraightCoupling.jpg?v=1790871290","url":"https:\/\/qualityheating.co.uk\/products\/lawton-acr-copper-straight-coupling","provider":"AIZO Quality Heating","version":"1.0","type":"link"}