{"product_id":"mastercool-copper-pipe-piercing-pliers","title":"Mastercool 70088 — 1\/4\" Tube Piercing Plier for Refrigerant Line Access (Replaceable Tip)","description":"\u003ch3\u003eProfessional Tube Piercing Plier: Create Temporary Service Ports Without Cutting or Brazing\u003c\/h3\u003e\u003cp\u003eThe Mastercool 70088 tube piercing plier is a professional tool for creating temporary service ports on 1\/4\" refrigerant lines without cutting or brazing. Simply position the plier on the tubing, squeeze to pierce, and you've created an access port for refrigerant charging, recovery, or diagnostics. This time-saving tool eliminates the need to cut tubing, braze in fittings, and evacuate the system — perfect for quick service work on sealed systems or hard-to-access installations.\u003c\/p\u003e\u003ch4\u003ePierce Without Cutting or Brazing: Fast Service Port Access\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003epiercing mechanism\u003c\/strong\u003e creates a temporary access port by piercing through the tubing wall, allowing refrigerant service without cutting and brazing. This saves significant time on service calls — no torch work, no brazing, no evacuation required. Simply pierce, perform your service work, and seal with a proper cap when complete.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Matters:\u003c\/strong\u003e Traditional service port installation requires cutting the line, brazing in a fitting, evacuating the system, and recharging — a time-consuming process. The 70088 piercing plier creates instant access, saving time and labour whilst maintaining system integrity.\u003c\/p\u003e\u003ch4\u003e1\/4\" Tubing Size: Standard Refrigerant Lines\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003e1\/4\" size\u003c\/strong\u003e is designed for standard refrigerant liquid lines and small suction lines. This is one of the most common refrigeration tubing sizes, making the 70088 suitable for a wide range of residential and light commercial systems.\u003c\/p\u003e\u003ch4\u003eReplaceable Tip: Long Service Life\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003ereplaceable piercing tip\u003c\/strong\u003e (part number 70088-TIP) ensures long tool life. When the tip becomes dull or damaged, simply replace it rather than replacing the entire tool. This design reduces long-term costs and keeps the tool in service for years.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Piercing Design\u003c\/strong\u003e — Creates service port without cutting or brazing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4\" Tubing Size\u003c\/strong\u003e — Standard refrigerant line size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable Tip\u003c\/strong\u003e — Long service life with replaceable piercing tip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Saving\u003c\/strong\u003e — Eliminates cutting, brazing, and evacuation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemporary Access\u003c\/strong\u003e — Quick service port for charging or recovery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Quality\u003c\/strong\u003e — Built for daily service work\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Torch Required\u003c\/strong\u003e — Safe operation without brazing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eModel: 70088\u003c\/li\u003e\n\u003cli\u003eType: Tube piercing plier\u003c\/li\u003e\n\u003cli\u003eTubing Size: 1\/4\" O.D.\u003c\/li\u003e\n\u003cli\u003ePiercing Tip: Replaceable (part number 70088-TIP)\u003c\/li\u003e\n\u003cli\u003eApplication: Refrigerant line service port access\u003c\/li\u003e\n\u003cli\u003eOperation: Manual squeeze to pierce\u003c\/li\u003e\n\u003cli\u003eUse: Temporary service port creation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eReplacement Parts\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e70088-TIP\u003c\/strong\u003e: Replacement piercing tip for 70088\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003ePerfect For\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHVAC technicians performing quick refrigerant service\u003c\/li\u003e\n\u003cli\u003eSealed system diagnostics and charging\u003c\/li\u003e\n\u003cli\u003eHard-to-access installations where brazing is difficult\u003c\/li\u003e\n\u003cli\u003eEmergency service calls requiring fast access\u003c\/li\u003e\n\u003cli\u003eMobile service operations needing quick port access\u003c\/li\u003e\n\u003cli\u003eAny refrigeration work requiring temporary service port\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCommon Piercing Plier Applications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerant Charging\u003c\/strong\u003e — Add refrigerant to sealed systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Diagnostics\u003c\/strong\u003e — Check pressures on systems without service ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerant Recovery\u003c\/strong\u003e — Recover refrigerant from sealed systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak Detection\u003c\/strong\u003e — Add tracer dye or nitrogen for leak testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency Service\u003c\/strong\u003e — Quick access when permanent ports aren't available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eHow to Use the 70088 Piercing Plier\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentify Location\u003c\/strong\u003e — Choose location on straight 1\/4\" tubing section\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Tubing\u003c\/strong\u003e — Ensure tubing surface is clean and dry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition Plier\u003c\/strong\u003e — Place piercing tip on tubing at selected location\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSqueeze to Pierce\u003c\/strong\u003e — Gradually squeeze handles to pierce through tubing wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttach Service Equipment\u003c\/strong\u003e — Connect manifold, charging equipment, or recovery unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerform Service Work\u003c\/strong\u003e — Complete charging, recovery, or diagnostics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Port\u003c\/strong\u003e — Install proper sealing cap when service is complete\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitor for Leaks\u003c\/strong\u003e — Check pierced area for leaks after sealing\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch4\u003eImportant Safety and Usage Guidelines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemporary Use\u003c\/strong\u003e — Pierced ports are temporary; install permanent ports for long-term access\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProper Sealing\u003c\/strong\u003e — Use proper sealing caps designed for pierced ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4\" Tubing Only\u003c\/strong\u003e — Designed for 1\/4\" O.D. tubing; not suitable for other sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight Sections\u003c\/strong\u003e — Pierce on straight tubing, away from bends and fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitor After Use\u003c\/strong\u003e — Check for leaks after sealing pierced port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace Tip When Dull\u003c\/strong\u003e — Dull tips require excessive force and may damage tubing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhy Piercing Pliers Save Time\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eTraditional Service Port Installation:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRecover system refrigerant\u003c\/li\u003e\n\u003cli\u003eCut tubing at desired location\u003c\/li\u003e\n\u003cli\u003eBraze in service port fitting\u003c\/li\u003e\n\u003cli\u003ePressure test brazed joint\u003c\/li\u003e\n\u003cli\u003eEvacuate system\u003c\/li\u003e\n\u003cli\u003eRecharge with refrigerant\u003c\/li\u003e\n\u003cli\u003eSignificant time and labour cost\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePiercing Plier Method (70088):\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePosition plier on tubing\u003c\/li\u003e\n\u003cli\u003eSqueeze to pierce\u003c\/li\u003e\n\u003cli\u003eAttach service equipment immediately\u003c\/li\u003e\n\u003cli\u003ePerform service work\u003c\/li\u003e\n\u003cli\u003eSeal with cap when complete\u003c\/li\u003e\n\u003cli\u003eMinimal time and labour\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhen to Use Piercing Pliers\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eGood Applications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eQuick refrigerant charging on sealed systems\u003c\/li\u003e\n\u003cli\u003eEmergency service calls requiring fast access\u003c\/li\u003e\n\u003cli\u003eDiagnostics on systems without service ports\u003c\/li\u003e\n\u003cli\u003eHard-to-access installations where brazing is difficult\u003c\/li\u003e\n\u003cli\u003eTemporary access for one-time service\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNot Recommended:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePermanent service port installation (use brazed fittings)\u003c\/li\u003e\n\u003cli\u003eHigh-pressure applications\u003c\/li\u003e\n\u003cli\u003eTubing sizes other than 1\/4\"\u003c\/li\u003e\n\u003cli\u003eDamaged or corroded tubing\u003c\/li\u003e\n\u003cli\u003eLocations requiring frequent access (install permanent port)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTips for Effective Piercing\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose Location Carefully\u003c\/strong\u003e — Select straight section with adequate access\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Surface\u003c\/strong\u003e — Remove dirt, oil, and oxidation before piercing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGradual Piercing\u003c\/strong\u003e — Squeeze gradually to pierce cleanly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSharp Tip\u003c\/strong\u003e — Replace tip when dull for clean piercing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProper Sealing\u003c\/strong\u003e — Use quality sealing caps designed for pierced ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak Check\u003c\/strong\u003e — Always check for leaks after sealing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhy Choose the Mastercool 70088?\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Saving\u003c\/strong\u003e — Eliminates cutting, brazing, and evacuation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Quality\u003c\/strong\u003e — Built for daily service work\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable Tip\u003c\/strong\u003e — Long service life with replaceable piercing tip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4\" Size\u003c\/strong\u003e — Standard refrigerant line size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Torch Required\u003c\/strong\u003e — Safe operation without brazing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective\u003c\/strong\u003e — Reduces service time and labour costs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential Tool\u003c\/strong\u003e — Invaluable for sealed system service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCommon Mistakes to Avoid\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrong Tubing Size\u003c\/strong\u003e — Use only on 1\/4\" O.D. tubing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiercing Near Fittings\u003c\/strong\u003e — Use straight sections only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDull Tip\u003c\/strong\u003e — Replace tip when piercing becomes difficult\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproper Sealing\u003c\/strong\u003e — Use proper caps designed for pierced ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot Leak Checking\u003c\/strong\u003e — Always check for leaks after sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermanent Use\u003c\/strong\u003e — Pierced ports are temporary; install permanent ports for frequent access\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSealing Pierced Ports\u003c\/h4\u003e\u003cp\u003eAfter service work is complete, pierced ports must be properly sealed:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUse sealing caps specifically designed for pierced ports\u003c\/li\u003e\n\u003cli\u003eEnsure cap is properly tightened\u003c\/li\u003e\n\u003cli\u003eCheck for leaks with leak detector or soap solution\u003c\/li\u003e\n\u003cli\u003eMonitor system for pressure loss\u003c\/li\u003e\n\u003cli\u003eConsider installing permanent brazed port if frequent access is needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eThe Essential Sealed System Service Tool\u003c\/h4\u003e\u003cp\u003eThe Mastercool 70088 tube piercing plier is an essential tool for refrigeration service work on sealed systems. With its ability to create temporary service ports without cutting or brazing, replaceable piercing tip for long service life, and suitability for standard 1\/4\" refrigerant lines, this tool saves time and labour on countless service calls. When you need quick access to a sealed system, the 70088 is the professional solution.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePierce without cutting or brazing. 1\/4\" tubing. Replaceable tip. Essential sealed system service tool.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Mastercool","offers":[{"title":"Default Title","offer_id":57030059196793,"sku":"70088","price":31.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/Mastercool-Copper-Pipe-Piercing-Pliers-Ryan-Air-Conditioning-Spares-68967781368183.jpg?v=1775894801","url":"https:\/\/www.airconspares.com\/products\/mastercool-copper-pipe-piercing-pliers","provider":"Airconspares.com","version":"1.0","type":"link"}