28XR-HR (Full Tek Set) – XR Line


The technological features of the 28XR-HR regulator place it in the top of the range of technical diving in the underwater world. The 28XR underwater regulator has exclusive features in both first and second stages. A vertical outlet on the turret and the 4 lateral ones allow it to be configured in a perfect way on the twin tanks and in the sidemount configuration

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    Product Details

    Mares has incorporated the top of modern regulator technology into the 28XR-HR underwater regulator. The first stage uses the innovative concept of the balanced diaphragm, which is operated by a double piston. All ecologically sealed using AST – Auto Sealing Technology. This also guarantees perfect sealing against the possible entry of sand or particles, especially in cave diving or in polluted waters. This proves further true in technical diving, for the possibility of removing it in the water without flooding it. The rotating turret with vertical low pressure outlet and 4 more low pressure outlets make it usable in all configurations. Its flexibility allows it to be used: on the double tank, in stages and in sidemount configuration.
    The second stage with technopolymer body, simple and ultralight, provides excellent performance. A large side knob allows you to adjust the breathing force even when wearing thick neoprene gloves. You can adjust the “hard” second stage when not in use, and make it “softer” when in use.

    The key features of the 28XR-HR Technical Diving Regulator are:
    Set consisting of:

    • 2 HR second stages
    • 2 28XR first stages
    • 2 Miflex XT-Tech hoses (60 cm – 210 cm)
    • 2 Miflex XT-Tech hoses for sidemount control unit (20cm)
    • 1 m of 4 mm elastic
    • 2 pressure gauges – metric only


    • Polished chromed metal body
    • Natural DFC on all LP outlets
    • Watertight “TBP” (Twin Balanced Piston) system
    • Watertight anti-infiltration technology (Auto Sealing Technology, AST)
    • 4 LP outlets on turret swivel
    • 1 vertical LP outlet
    • 2 symmetrical HP outlets at an angle of 10° for perfect positioning of the hose
    • DIN only – 300 bar
    • Weight: 790 g


    • Suitable for stage, sidemount, rear main, reserve or “hard breathing” configuration
    • Breathing effort adjustment
    • Simple, ultralight and excellent performance technopolymer body
    • PAD – Pneumatically Assisted Design
    • Flush button oversized
    • Miflex XT-Tech hose
    • Can be opened and cleaned or adjusted underwater

    Additional information

    Regulator Type


    Ultralight Technopolymer

    First Stage Weight (DIN)

    827g / 29.2oz

    Second Stage Weight

    232g / 8.2oz

    High Pressure Ports

    2 [7/16" UNF]

    Low Pressure Ports

    5 [3/8" UNF]

    Hose Type

    Miflex XT-Tech Hose

    Hose Length

    60cm / 24in – 210cm / 7ft

    Weight (Without Hose)

    225g – 8oz


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