{"product_id":"2-5-bottom-mount-liquid-filled-vac-gauge-ilcg36025-4l-89030bu","title":"Super-Pro 2.5\" Liquid-Filled Pool Vacuum Gauge, 0–30 inHg, 1\/4\" Bottom Mount 89030BU","description":"\n\u003ch2\u003eSuper-Pro 2.5\" Liquid-Filled Vacuum Gauge, 0–30 inHg | 89030BU\u003c\/h2\u003e\n\n\u003cp\u003e\n    The \u003cstrong\u003eSuper-Pro 89030BU Liquid-Filled Vacuum Gauge\u003c\/strong\u003e\n    is designed for measuring vacuum levels in compatible swimming\n    pool and spa suction-side plumbing systems.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Featuring a \u003cstrong\u003e2.5-inch dial, 0–30 inHg vacuum range,\n    and 1\/4-inch bottom-mounted connection\u003c\/strong\u003e, this gauge\n    provides a convenient way to monitor suction conditions\n    and troubleshoot pool circulation equipment.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Its liquid-filled construction helps dampen needle movement\n    caused by vibration and pressure fluctuations, making it\n    a practical choice for pool service professionals and\n    maintenance technicians.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eLiquid-Filled Design:\u003c\/strong\u003e\n        Helps reduce pointer vibration for easier readings.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003e2.5-Inch Dial:\u003c\/strong\u003e\n        Provides an easy-to-read analog display.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003e0–30 inHg Vacuum Range:\u003c\/strong\u003e\n        Measures suction pressure below atmospheric pressure.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003e1\/4-Inch Bottom Connection:\u003c\/strong\u003e\n        Designed for compatible threaded vacuum testing ports.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003ePool Pump Diagnostics:\u003c\/strong\u003e\n        Useful for evaluating suction-side operating conditions.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eProfessional Service Tool:\u003c\/strong\u003e\n        Suitable for residential and commercial pool maintenance.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eIndividual Gauge:\u003c\/strong\u003e\n        Sold as one complete vacuum gauge.\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Super-Pro\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 89030BU\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDistributor Part Number:\u003c\/strong\u003e SPG-06-4001\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Liquid-Filled Vacuum Gauge\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDial Diameter:\u003c\/strong\u003e 2.5 Inches\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMeasurement Range:\u003c\/strong\u003e 0–30 inHg\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConnection Size:\u003c\/strong\u003e 1\/4 Inch\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Orientation:\u003c\/strong\u003e Bottom Mount\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Pool and Spa Suction-Side Testing\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApproximate Product Weight:\u003c\/strong\u003e 0.45 lb\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 729360041453\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1 Vacuum Gauge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Does a Vacuum Gauge Measure?\u003c\/h3\u003e\n\n\u003cp\u003e\n    A vacuum gauge measures pressure below atmospheric\n    pressure, commonly referred to as suction or vacuum.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    In swimming pool circulation systems, vacuum readings\n    can help technicians evaluate conditions on the suction\n    side of the pump.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    Changes in readings may indicate restrictions or\n    other operating conditions affecting water flow.\n\u003c\/p\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eSwimming Pool Pump Suction Diagnostics\u003c\/li\u003e\n    \u003cli\u003ePool and Spa Circulation System Testing\u003c\/li\u003e\n    \u003cli\u003eSuction-Side Plumbing Troubleshooting\u003c\/li\u003e\n    \u003cli\u003eMonitoring Vacuum Levels\u003c\/li\u003e\n    \u003cli\u003eEvaluating Potential Flow Restrictions\u003c\/li\u003e\n    \u003cli\u003eProfessional Pool Equipment Maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLiquid-Filled vs. Dry Vacuum Gauges\u003c\/h3\u003e\n\n\u003cp\u003e\n    The Super-Pro 89030BU uses a liquid-filled\n    construction that helps stabilize the gauge\n    needle when equipment vibration or pressure\n    fluctuations occur.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    This can make readings easier to observe\n    compared with a conventional dry gauge\n    under similar operating conditions.\n\u003c\/p\u003e\n\n\u003ch3\u003eVacuum Gauge vs. Pressure Gauge\u003c\/h3\u003e\n\n\u003cp\u003e\n    Vacuum gauges and positive-pressure gauges\n    measure different operating conditions.\n\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eSuper-Pro 89030BU:\u003c\/strong\u003e\n        Liquid-filled vacuum gauge measuring 0–30 inHg.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eSuper-Pro 86030BU:\u003c\/strong\u003e\n        Dry steel vacuum gauge measuring 0–30 inHg\n        with a smaller 2-inch dial.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eSuper-Pro 81060BU:\u003c\/strong\u003e\n        Positive-pressure gauge measuring 0–60 PSI\n        for compatible pressure-side applications.\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e\n    This is a vacuum gauge, not a standard pool filter\n    pressure gauge. Verify the measurement range and\n    mounting requirements before ordering.\n\u003c\/p\u003e\n\n\u003ch3\u003eRelated Pool Equipment Gauges\u003c\/h3\u003e\n\n\u003cp\u003e\n    Find additional pool equipment testing and\n    maintenance products at Aqua Pool Supply.\n\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/products\/bottom-mount-vacuum-gauge-86030bu\"\u003e\n            \u003cstrong\u003e\n                Super-Pro 86030BU – 2\" Steel Vacuum Gauge,\n                0–30 inHg\n            \u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Dry vacuum gauge with a 1\/4-inch\n        bottom connection.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=81060BU\"\u003e\n            \u003cstrong\u003e\n                Super-Pro 81060BU – 0–60 PSI Pressure Gauge\n            \u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Search for a positive-pressure gauge\n        for compatible pool equipment.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=89130BU\"\u003e\n            \u003cstrong\u003e\n                Super-Pro 89130BU – Combination Vacuum\n                and Pressure Gauge\n            \u003c\/strong\u003e\n        \u003c\/a\u003e\n        – Search for a gauge with both\n        vacuum and positive-pressure scales.\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eTurn off the pool pump before installing or removing the gauge.\u003c\/li\u003e\n    \u003cli\u003eRelieve system pressure before disconnecting any fittings.\u003c\/li\u003e\n    \u003cli\u003eVerify the 1\/4-inch connection matches the testing port.\u003c\/li\u003e\n    \u003cli\u003eUse an appropriate thread-sealing method for the installation.\u003c\/li\u003e\n    \u003cli\u003eAvoid overtightening the gauge connection.\u003c\/li\u003e\n    \u003cli\u003eFollow any manufacturer instructions for venting a liquid-filled gauge.\u003c\/li\u003e\n    \u003cli\u003eInspect for leaks after installation.\u003c\/li\u003e\n    \u003cli\u003eReplace the gauge if it leaks, becomes damaged, or produces unreliable readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eIncludes:\u003c\/strong\u003e\n    One (1) Super-Pro 89030BU Liquid-Filled\n    Vacuum Gauge with 2.5-inch dial,\n    0–30 inHg measuring range,\n    and 1\/4-inch bottom connection.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eNot Included:\u003c\/strong\u003e\n    Plumbing adapters, hoses, valves,\n    or additional testing equipment.\n\u003c\/p\u003e\n\n\u003cp\u003e\n    \u003cstrong\u003eSelling Quantity:\u003c\/strong\u003e\n    One individual vacuum gauge.\n\u003c\/p\u003e\n","brand":"Super Pro","offers":[{"title":"Default Title","offer_id":52731320828220,"sku":"89030BU","price":19.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/BrushedSilverVacuumGauge.png?v=1794343690","url":"https:\/\/aquapoolsupply.com\/products\/2-5-bottom-mount-liquid-filled-vac-gauge-ilcg36025-4l-89030bu","provider":"Aqua Pool Supply","version":"1.0","type":"link"}