{"product_id":"mastercool-nitrogen-pressure-testing-gauge-set-r410a-uk","title":"Mastercool 53003 — Nitrogen Pressure Regulator UK BS3","description":"\u003ch1\u003eMastercool 53003 — Nitrogen Pressure Regulator (BS3 England)\u003c\/h1\u003e\u003cp\u003eMastercool's nitrogen regulator is specifically designed to meet the specifications of HVAC\/R and automotive A\/C systems. This single-stage nitrogen regulator is used to test systems for leaks when they do not contain refrigerant.\u003c\/p\u003e\u003ch2\u003eTest Systems For Leaks When They Do Not Contain Refrigerant\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTIME SAVING TOOL:\u003c\/strong\u003e No need to add refrigerant to search for a leak with UV dye or an electronic leak detector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNO NEED TO RECOVER THE REFRIGERANT:\u003c\/strong\u003e This unit will pressurise an empty system allowing the user to easily find a leak\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWHEN FINISHED SIMPLY REMOVE THE VALVE CORE:\u003c\/strong\u003e To release the inert nitrogen gas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAN BE USED FOR ALL APPLICATIONS:\u003c\/strong\u003e Requiring a 1\/4\" connection (HVAC, R12, R22, etc.) as well as R134a applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4\" SAE Flare Outlet Port:\u003c\/strong\u003e With control valve to keep pressure on regulator at all times\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Handle:\u003c\/strong\u003e For ease of pressure adjustment and precise control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63mm (2 1\/2\") Gauges with Guards:\u003c\/strong\u003e Large, easy-to-read professional gauges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Pressure Gauge:\u003c\/strong\u003e 4400 psig (300 bar) for nitrogen cylinder monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Pressure Gauge:\u003c\/strong\u003e 1000 psig (70 bar) for system pressure monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBS3 Standard Connection:\u003c\/strong\u003e UK\/England nitrogen cylinder connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Stage Design:\u003c\/strong\u003e Reliable, simple operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGauge Guards:\u003c\/strong\u003e Protect gauges from damage during use and transport\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Valve:\u003c\/strong\u003e Maintains pressure on regulator for safety and convenience\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 53003\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Single-stage nitrogen pressure regulator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Connection:\u003c\/strong\u003e BS3 standard (England)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Connection:\u003c\/strong\u003e 1\/4\" FL-M outlet connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Pressure Gauge:\u003c\/strong\u003e 63mm (2 1\/2\"), 0-4400 psig (0-300 bar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Pressure Gauge:\u003c\/strong\u003e 63mm (2 1\/2\"), 0-1000 psig (0-70 bar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustment:\u003c\/strong\u003e T-handle for precise pressure control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGauge Guards:\u003c\/strong\u003e Protective guards included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 53003\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHS Code:\u003c\/strong\u003e 84189910\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRegional Variants Available\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e53001:\u003c\/strong\u003e CGA580 (US) - Outlet Connection: 1\/4\" FL-M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e53002:\u003c\/strong\u003e DIN477#6 and DIN477#10 (France\/Germany) - Includes adapter to convert DIN477#6 to DIN477#10 - Outlet Connection: 1\/4\" FL-M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e53003:\u003c\/strong\u003e BS3 (England) - This Product - Outlet Connection: 1\/4\" FL-M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e53004:\u003c\/strong\u003e AS2473.2 (Australia) - Outlet Connection: 1\/4\" FL-M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e53005:\u003c\/strong\u003e 5-UNI11144 (Italy) - Outlet Connection: 1\/4\" FL-M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e53006:\u003c\/strong\u003e 21.8 L NEN 3268 Left hand thread (for Hydrogenated Nitrogen) - Outlet Connection: 1\/4\" FL-M\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHVAC\/R system leak testing before charging\u003c\/li\u003e\n\u003cli\u003eAutomotive A\/C system pressure testing\u003c\/li\u003e\n\u003cli\u003eCommercial refrigeration installation verification\u003c\/li\u003e\n\u003cli\u003ePost-repair leak testing\u003c\/li\u003e\n\u003cli\u003eNew system commissioning\u003c\/li\u003e\n\u003cli\u003eBrazing leak verification\u003c\/li\u003e\n\u003cli\u003eSystem integrity testing\u003c\/li\u003e\n\u003cli\u003ePre-evacuation leak detection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Nitrogen Pressure Testing?\u003c\/h2\u003e\u003cp\u003eNitrogen pressure testing is the professional standard for leak detection in HVAC\/R systems:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe:\u003c\/strong\u003e Inert gas won't react with system components or oils\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective:\u003c\/strong\u003e Detect leaks before charging with expensive refrigerant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry:\u003c\/strong\u003e Nitrogen is moisture-free, preventing contamination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective:\u003c\/strong\u003e Higher test pressures reveal leaks that might not show under normal operating pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Standard:\u003c\/strong\u003e Industry best practice for new installations and repairs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Protection:\u003c\/strong\u003e Identifies leaks before refrigerant is introduced\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBenefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Saving:\u003c\/strong\u003e No need to add refrigerant to find leaks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Refrigerant Recovery:\u003c\/strong\u003e Test empty systems without refrigerant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Leak Detection:\u003c\/strong\u003e Pressurise system and use soap bubbles or electronic detector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Release:\u003c\/strong\u003e Remove valve core to release nitrogen when finished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Application:\u003c\/strong\u003e Works with all refrigerant systems requiring 1\/4\" connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBS3 Standard:\u003c\/strong\u003e Correct fitting for UK nitrogen cylinders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Gauges:\u003c\/strong\u003e 63mm gauges are easy to read\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGauge Guards:\u003c\/strong\u003e Protect investment during use and transport\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Handle Adjustment:\u003c\/strong\u003e Precise, easy pressure control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Quality:\u003c\/strong\u003e Built for daily workshop use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHVAC\/R contractors and installers\u003c\/li\u003e\n\u003cli\u003eAutomotive A\/C specialists\u003c\/li\u003e\n\u003cli\u003eCommercial refrigeration technicians\u003c\/li\u003e\n\u003cli\u003eWorkshop and service centres\u003c\/li\u003e\n\u003cli\u003eMobile service operations\u003c\/li\u003e\n\u003cli\u003eNew system commissioning\u003c\/li\u003e\n\u003cli\u003ePost-repair verification\u003c\/li\u003e\n\u003cli\u003eProfessional technicians requiring UK BS3 standard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOperation\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eConnect regulator to nitrogen cylinder using BS3 fitting\u003c\/li\u003e\n\u003cli\u003eConnect 1\/4\" FL-M outlet to system service port\u003c\/li\u003e\n\u003cli\u003eEnsure all system valves are closed\u003c\/li\u003e\n\u003cli\u003eSlowly open nitrogen cylinder valve\u003c\/li\u003e\n\u003cli\u003eUse T-handle to adjust pressure to desired test level (typically 150-450 psig depending on system)\u003c\/li\u003e\n\u003cli\u003eMonitor low pressure gauge for system pressure\u003c\/li\u003e\n\u003cli\u003eMonitor for pressure decay indicating leaks\u003c\/li\u003e\n\u003cli\u003eUse electronic leak detector or bubble solution to locate leaks\u003c\/li\u003e\n\u003cli\u003eWhen finished, remove valve core to release nitrogen\u003c\/li\u003e\n\u003cli\u003eClose cylinder valve\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eNitrogen Pressure Testing Best Practices\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart Low:\u003c\/strong\u003e Begin with lower pressure (150 psig) and increase gradually\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNever Exceed System Limits:\u003c\/strong\u003e Check manufacturer specifications for maximum test pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitor Continuously:\u003c\/strong\u003e Watch low pressure gauge for pressure decay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllow Stabilisation:\u003c\/strong\u003e Let system temperature stabilise before final leak check\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Leak Detector:\u003c\/strong\u003e Combine pressure testing with electronic leak detector or bubble solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest After Brazing:\u003c\/strong\u003e Always pressure test after any brazing work\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument Results:\u003c\/strong\u003e Record test pressure and hold time for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSafety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNever exceed system maximum working pressure\u003c\/li\u003e\n\u003cli\u003eAlways use pressure relief devices when appropriate\u003c\/li\u003e\n\u003cli\u003eWear safety glasses during pressure testing\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation\u003c\/li\u003e\n\u003cli\u003eNever use oxygen or compressed air for pressure testing\u003c\/li\u003e\n\u003cli\u003eKeep nitrogen cylinder secured and upright\u003c\/li\u003e\n\u003cli\u003eRelease pressure slowly when testing complete\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer's recommended test pressures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy BS3 Standard Matters\u003c\/h2\u003e\u003cp\u003eThe BS3 fitting is the UK standard for nitrogen cylinder connections. Using the correct regulator ensures:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e Proper connection prevents leaks and accidents\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Works with all UK nitrogen cylinder suppliers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e Meets UK standards and regulations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Standard:\u003c\/strong\u003e Industry-standard equipment for UK market\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eProfessional Quality:\u003c\/strong\u003e Mastercool nitrogen pressure testing regulators are built to professional standards for reliable, safe leak detection in HVAC\/R and automotive workshop environments. UK BS3 standard fitting for compatibility with UK nitrogen cylinders. 1\/4\" FL-M outlet connection.\u003c\/p\u003e","brand":"Mastercool","offers":[{"title":"Default Title","offer_id":57029572788601,"sku":"53003","price":131.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/Mastercool-Nitrogen-Pressure-Testing-Gauge-Set-R410a-UK-Ryan-Air-Conditioning-Spares-68945194582391.jpg?v=1775889336","url":"https:\/\/www.airconspares.com\/products\/mastercool-nitrogen-pressure-testing-gauge-set-r410a-uk","provider":"Airconspares.com","version":"1.0","type":"link"}