{"product_id":"33103-mrb","title":"33103-MRB","description":"\u003ch1\u003eMastercool 33103-MRB 2-Way Brass Manifold – Piston Valves – 80mm Gauges\u003c\/h1\u003e\u003cp\u003eMastercool is the leading manufacturer of professional quality A\/C manifold gauge sets. Our manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards. At Mastercool, every manifold we build is built to last.\u003c\/p\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Floating Piston Valve\u003c\/strong\u003e – Results in less wear and tear in comparison to market standard twisting piston valves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble O-Ring\u003c\/strong\u003e – Allows for a much better seal resulting in fewer leaks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge 80mm Gauges\u003c\/strong\u003e – 1.6 gauge class for enhanced visibility and accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 Refrigerant Scales\u003c\/strong\u003e – Multi-refrigerant compatibility on a single gauge face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour Coordinated\u003c\/strong\u003e – All Mastercool gauges are colour coordinated for easy refrigerant recognition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBar\/°C Metric Scales\u003c\/strong\u003e – European standard measurements (gauge p\/n MRBH-MRBL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x 1\/4\" SAE Fittings\u003c\/strong\u003e – Standard connections for hoses and service equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-to-read gauge faces\u003c\/strong\u003e – Larger size improves visibility in bright sunlight or low-light conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eModel: 33103-MRB\u003c\/li\u003e\n\u003cli\u003eGauge size: 80mm\u003c\/li\u003e\n\u003cli\u003eGauge class: 1.6\u003c\/li\u003e\n\u003cli\u003eScale type: Bar\/°C with 4 refrigerant scales\u003c\/li\u003e\n\u003cli\u003eRefrigerants: R134a, R22, R12, R404A\u003c\/li\u003e\n\u003cli\u003eGauge part numbers: MRBH-MRBL\u003c\/li\u003e\n\u003cli\u003eConnections: 3 x 1\/4\" SAE fittings\u003c\/li\u003e\n\u003cli\u003eValve type: Free floating piston valves\u003c\/li\u003e\n\u003cli\u003eMaterial: Brass\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMulti-Refrigerant Capability:\u003c\/h2\u003e\u003cp\u003eThe 4-scale gauge face allows technicians to work with multiple refrigerant types using a single manifold. This manifold is calibrated for R134a, R22, R12, and R404A, covering both legacy and modern refrigerants commonly found in automotive and commercial refrigeration systems. The larger 80mm gauge size provides exceptional visibility, making it easier to read precise pressure values from a distance.\u003c\/p\u003e\u003ch2\u003eSafety Instructions:\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e⚠️ WARNING:\u003c\/strong\u003e Wear safety goggles. Avoid contact with refrigerant.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNOTE (R744):\u003c\/strong\u003e CO2 systems work under extremely high pressures. Only professional technicians are recommended to service these systems. Please use proper safety equipment while servicing.\u003c\/p\u003e\u003ch2\u003ePre-Service Instructions:\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eClose both valves on the manifold gauge set by turning the high and low knobs clockwise.\u003c\/li\u003e\n\u003cli\u003eThe gauges are correctly calibrated at the factory before shipment. If calibration is required, remove the lens and insert a straight blade screwdriver into the adjusting screw on the gauge face (except liquid filled gauges).\u003c\/li\u003e\n\u003cli\u003eConnect the (red) hose to the high port and the (blue) hose to the low port on the manifold gauge.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eTesting and Charging:\u003c\/h2\u003e\u003cp\u003eTo properly diagnose the problem in the R\/AC system, first check the system's overall performance. This includes monitoring the system's pressure as well as leak testing. Your manifold gauge set will give accurate readings of your system's pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Be sure that the hand valves on the manifold gauge set are in the closed position. Always wear gloves and safety goggles when working with refrigerant.\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eRemove the protective caps from the system ports. Check for leaks at the ports.\u003c\/li\u003e\n\u003cli\u003eConnect the low side service hose (blue) to the suction side of the compressor. Connect the high side service hose (red) to the discharge side of the compressor.\u003c\/li\u003e\n\u003cli\u003eIf using adapters, make sure that they are fully tightened and piercing the access valve. Failure to properly access the valve core will prohibit refrigerant flow.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eImportant Notes:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA system that has been opened or one that is found to be excessively low on refrigerant pressure as a result of a leak, must be fully evacuated by means of recovery and deep vacuum. \u003cstrong\u003eNOTE:\u003c\/strong\u003e Send recovered refrigerant for reclamation.\u003c\/li\u003e\n\u003cli\u003eA system that has been evacuated must be repaired, leak tested and evacuated to a required level of vacuum.\u003c\/li\u003e\n\u003cli\u003eIf charging on the liquid or high side, use only the high side valve on the manifold gauge set. Make sure the low side valve is closed.\u003c\/li\u003e\n\u003cli\u003eAfter charging, test the system by turning it on and running the A\/C with both valves closed on the manifold.\u003c\/li\u003e\n\u003cli\u003eAfter testing, disconnect the hoses from the system and make sure to use a recovery\/recycling machine to evacuate any refrigerant remaining in the hoses or manifold.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOptional Accessories:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAdd \"-G\" suffix for shock resistant gauge protectors\u003c\/li\u003e\n\u003cli\u003eAdd \"-T\" suffix for teflon gaskets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eReplacement Parts:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e85215: O-Rings (4 pcs)\u003c\/li\u003e\n\u003cli\u003e85216: Seal and Seat Assembly (2 pcs)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackaging:\u003c\/h2\u003e\u003cp\u003ePackaged in a clamshell. For plastic carrying case, order part number 58102-PBR separately.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The image shown may differ from the actual supplied product. Please check the model number, specifications, and description to confirm the exact gauge size, refrigerant scales, and configuration.\u003c\/p\u003e","brand":"Mastercool","offers":[{"title":"Default Title","offer_id":57164121702777,"sku":"33103-MRB","price":63.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/33103-E_web_3cfbc195-2a60-4e85-bb2d-6ef95649b284.jpg?v=1777443473","url":"https:\/\/www.airconspares.com\/products\/33103-mrb","provider":"Airconspares.com","version":"1.0","type":"link"}