{"product_id":"gp-pressure-washer-accumulator-1300-psi-10-gpm-pulsation-dampener","title":"GP Pressure Washer Accumulator – 1300 PSI, 10 GPM Pulsation Dampener","description":"\u003cp data-start=\"0\" data-end=\"190\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 2406\u003cbr data-start=\"21\" data-end=\"24\"\u003e\u003cstrong data-start=\"24\" data-end=\"37\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Parts → Pumps \u0026amp; Plumbing → Accumulators\u003cbr data-start=\"93\" data-end=\"96\"\u003e\u003cstrong data-start=\"96\" data-end=\"105\"\u003eType:\u003c\/strong\u003e General Pump ZMACC Pressure Washer Accumulator – 1300 PSI, 10 GPM Pulsation Dampener\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"192\" data-end=\"195\"\u003e\n\u003cp data-start=\"285\" data-end=\"750\"\u003eThe \u003cstrong data-start=\"289\" data-end=\"352\"\u003eGeneral Pump ZMACC Pressure Washer Accumulator (Part #2406)\u003c\/strong\u003e is a genuine \u003cstrong data-start=\"366\" data-end=\"382\"\u003eGeneral Pump\u003c\/strong\u003e pulsation dampener designed to reduce pressure fluctuations, absorb hydraulic shock, and improve the overall performance of pressure washer systems. Pre-charged with \u003cstrong data-start=\"549\" data-end=\"567\"\u003e90–200 PSI air\u003c\/strong\u003e, this accumulator minimizes pump pulsation and water hammer, helping protect pumps, unloaders, gauges, hoses, valves, and other high-pressure plumbing components from excessive wear.\u003c\/p\u003e\n\u003chr data-start=\"1313\" data-end=\"1316\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1318\" data-end=\"1344\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1346\" data-end=\"1891\"\u003e\n\u003cli data-section-id=\"1ov0dhx\" data-start=\"1346\" data-end=\"1380\"\u003eGenuine General Pump accumulator\u003c\/li\u003e\n\u003cli data-section-id=\"1yip4ti\" data-start=\"1381\" data-end=\"1404\"\u003e\n\u003cstrong data-start=\"1383\" data-end=\"1399\"\u003ePart Number:\u003c\/strong\u003e 2406\u003c\/li\u003e\n\u003cli data-section-id=\"g10u6j\" data-start=\"1405\" data-end=\"1423\"\u003e\n\u003cstrong data-start=\"1407\" data-end=\"1417\"\u003eModel:\u003c\/strong\u003e ZMACC\u003c\/li\u003e\n\u003cli data-section-id=\"vpo31q\" data-start=\"1424\" data-end=\"1453\"\u003ePressure pulsation dampener\u003c\/li\u003e\n\u003cli data-section-id=\"1b4dp0\" data-start=\"1454\" data-end=\"1493\"\u003eFactory \u003cstrong data-start=\"1464\" data-end=\"1493\"\u003e90–200 PSI air pre-charge\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"f9k9p4\" data-start=\"1494\" data-end=\"1526\"\u003e\u003cstrong data-start=\"1496\" data-end=\"1526\"\u003e3\/4\" Female NPT connection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"d94r89\" data-start=\"1527\" data-end=\"1566\"\u003eRated for systems up to \u003cstrong data-start=\"1553\" data-end=\"1566\"\u003e1,300 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mhhnrm\" data-start=\"1567\" data-end=\"1605\"\u003eSupports flow rates up to \u003cstrong data-start=\"1595\" data-end=\"1605\"\u003e10 GPM\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h6lx2u\" data-start=\"1606\" data-end=\"1652\"\u003eRebuildable design for extended service life\u003c\/li\u003e\n\u003cli data-section-id=\"1lf2sm5\" data-start=\"1653\" data-end=\"1697\"\u003eReduces pump pulsation and pressure spikes\u003c\/li\u003e\n\u003cli data-section-id=\"1a7ogft\" data-start=\"1698\" data-end=\"1727\"\u003eHelps minimize water hammer\u003c\/li\u003e\n\u003cli data-section-id=\"bn2qr9\" data-start=\"1728\" data-end=\"1784\"\u003eProtects pumps, unloaders, hoses, gauges, and fittings\u003c\/li\u003e\n\u003cli data-section-id=\"18epyaf\" data-start=\"1785\" data-end=\"1837\"\u003eImproves pressure stability and system performance\u003c\/li\u003e\n\u003cli data-section-id=\"ljstp7\" data-start=\"1838\" data-end=\"1891\"\u003eSuitable for commercial and industrial applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1893\" data-end=\"1896\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1898\" data-end=\"1925\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1927\" data-end=\"1948\"\u003e\u003cstrong data-start=\"1927\" data-end=\"1943\"\u003ePart Number:\u003c\/strong\u003e 2406\u003c\/p\u003e\n\u003cp data-start=\"1950\" data-end=\"1980\"\u003e\u003cstrong data-start=\"1950\" data-end=\"1967\"\u003eManufacturer:\u003c\/strong\u003e General Pump\u003c\/p\u003e\n\u003cp data-start=\"1982\" data-end=\"1998\"\u003e\u003cstrong data-start=\"1982\" data-end=\"1992\"\u003eModel:\u003c\/strong\u003e ZMACC\u003c\/p\u003e\n\u003cp data-start=\"2000\" data-end=\"2066\"\u003e\u003cstrong data-start=\"2000\" data-end=\"2017\"\u003eProduct Type:\u003c\/strong\u003e Pressure Washer Accumulator \/ Pulsation Dampener\u003c\/p\u003e\n\u003cp data-start=\"2068\" data-end=\"2104\"\u003e\u003cstrong data-start=\"2068\" data-end=\"2088\"\u003eConnection Size:\u003c\/strong\u003e 3\/4\" Female NPT\u003c\/p\u003e\n\u003cp data-start=\"2106\" data-end=\"2145\"\u003e\u003cstrong data-start=\"2106\" data-end=\"2135\"\u003eMaximum Working Pressure:\u003c\/strong\u003e 1,300 PSI\u003c\/p\u003e\n\u003cp data-start=\"2147\" data-end=\"2176\"\u003e\u003cstrong data-start=\"2147\" data-end=\"2169\"\u003eMaximum Flow Rate:\u003c\/strong\u003e 10 GPM\u003c\/p\u003e\n\u003cp data-start=\"2178\" data-end=\"2208\"\u003e\u003cstrong data-start=\"2178\" data-end=\"2193\"\u003ePre-Charge:\u003c\/strong\u003e 90–200 PSI Air\u003c\/p\u003e\n\u003cp data-start=\"2210\" data-end=\"2230\"\u003e\u003cstrong data-start=\"2210\" data-end=\"2226\"\u003eRebuildable:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003cp data-start=\"2232\" data-end=\"2256\"\u003e\u003cstrong data-start=\"2232\" data-end=\"2252\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2258\" data-end=\"2261\"\u003e\n\u003ch2 data-section-id=\"17z2fqi\" data-start=\"2263\" data-end=\"2289\"\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp data-start=\"2291\" data-end=\"2313\"\u003eSuitable for use with:\u003c\/p\u003e\n\u003cul data-start=\"2315\" data-end=\"2611\"\u003e\n\u003cli data-section-id=\"1ftw8hk\" data-start=\"2315\" data-end=\"2344\"\u003eCommercial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"e9p5qp\" data-start=\"2345\" data-end=\"2382\"\u003eIndustrial pressure washing systems\u003c\/li\u003e\n\u003cli data-section-id=\"1l5zndh\" data-start=\"2383\" data-end=\"2412\"\u003eCold water pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"q5tme4\" data-start=\"2413\" data-end=\"2436\"\u003eAgricultural sprayers\u003c\/li\u003e\n\u003cli data-section-id=\"w6g5k5\" data-start=\"2437\" data-end=\"2462\"\u003ePump protection systems\u003c\/li\u003e\n\u003cli data-section-id=\"p4128t\" data-start=\"2463\" data-end=\"2503\"\u003eHigh-pressure fluid transfer equipment\u003c\/li\u003e\n\u003cli data-section-id=\"10v7mz9\" data-start=\"2504\" data-end=\"2524\"\u003eWash bay equipment\u003c\/li\u003e\n\u003cli data-section-id=\"16ga20s\" data-start=\"2525\" data-end=\"2554\"\u003eIndustrial cleaning systems\u003c\/li\u003e\n\u003cli data-section-id=\"b2jhqp\" data-start=\"2555\" data-end=\"2582\"\u003eChemical transfer systems\u003c\/li\u003e\n\u003cli data-section-id=\"sevn7w\" data-start=\"2583\" data-end=\"2611\"\u003eWater pumping applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2613\" data-end=\"2706\"\u003eAlways verify pressure rating, flow requirements, and plumbing compatibility before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2708\" data-end=\"2711\"\u003e\n\u003ch2 data-section-id=\"u7cbj\" data-start=\"2713\" data-end=\"2743\"\u003eFunction of the Accumulator\u003c\/h2\u003e\n\u003cp data-start=\"2745\" data-end=\"2790\"\u003eThe \u003cstrong data-start=\"2749\" data-end=\"2783\"\u003eGeneral Pump ZMACC Accumulator\u003c\/strong\u003e helps:\u003c\/p\u003e\n\u003cul data-start=\"2792\" data-end=\"3080\"\u003e\n\u003cli data-section-id=\"w1ipso\" data-start=\"2792\" data-end=\"2815\"\u003eAbsorb pump pulsation\u003c\/li\u003e\n\u003cli data-section-id=\"5fbejl\" data-start=\"2816\" data-end=\"2857\"\u003eReduce hydraulic shock and water hammer\u003c\/li\u003e\n\u003cli data-section-id=\"1nzixp8\" data-start=\"2858\" data-end=\"2888\"\u003eSmooth pressure fluctuations\u003c\/li\u003e\n\u003cli data-section-id=\"1sr0n89\" data-start=\"2889\" data-end=\"2919\"\u003eImprove pressure consistency\u003c\/li\u003e\n\u003cli data-section-id=\"16tjz4j\" data-start=\"2920\" data-end=\"2960\"\u003eReduce vibration throughout the system\u003c\/li\u003e\n\u003cli data-section-id=\"1qwvzm9\" data-start=\"2961\" data-end=\"3024\"\u003eProtect pumps, unloaders, gauges, hoses, valves, and fittings\u003c\/li\u003e\n\u003cli data-section-id=\"195a3ty\" data-start=\"3025\" data-end=\"3080\"\u003eExtend the service life of pressure washer components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3082\" data-end=\"3218\"\u003eThe adjustable \u003cstrong data-start=\"3097\" data-end=\"3126\"\u003e90–200 PSI air pre-charge\u003c\/strong\u003e creates an air cushion that absorbs pressure spikes generated during normal pump operation.\u003c\/p\u003e\n\u003chr data-start=\"3220\" data-end=\"3223\"\u003e\n\u003ch2 data-section-id=\"1psg7vr\" data-start=\"3225\" data-end=\"3273\"\u003eCommon Signs Replacement or Service Is Needed\u003c\/h2\u003e\n\u003cp data-start=\"3275\" data-end=\"3324\"\u003eService or rebuild the accumulator if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3326\" data-end=\"3527\"\u003e\n\u003cli data-section-id=\"w8h0ru\" data-start=\"3326\" data-end=\"3356\"\u003eIncreased pressure pulsation\u003c\/li\u003e\n\u003cli data-section-id=\"1ewhr2\" data-start=\"3357\" data-end=\"3385\"\u003eExcessive system vibration\u003c\/li\u003e\n\u003cli data-section-id=\"h30m3b\" data-start=\"3386\" data-end=\"3419\"\u003eWater hammer or hydraulic shock\u003c\/li\u003e\n\u003cli data-section-id=\"y56xom\" data-start=\"3420\" data-end=\"3452\"\u003eReduced pressure stabilization\u003c\/li\u003e\n\u003cli data-section-id=\"17dsgxh\" data-start=\"3453\" data-end=\"3471\"\u003eExternal leakage\u003c\/li\u003e\n\u003cli data-section-id=\"1kzi6j7\" data-start=\"3472\" data-end=\"3502\"\u003ePhysical damage or corrosion\u003c\/li\u003e\n\u003cli data-section-id=\"1edte0\" data-start=\"3503\" data-end=\"3527\"\u003eLoss of air pre-charge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3529\" data-end=\"3657\"\u003eBecause the accumulator is \u003cstrong data-start=\"3556\" data-end=\"3571\"\u003erebuildable\u003c\/strong\u003e, worn internal components can often be replaced instead of replacing the entire unit.\u003c\/p\u003e\n\u003chr data-start=\"3659\" data-end=\"3662\"\u003e\n\u003ch2 data-section-id=\"10va281\" data-start=\"3664\" data-end=\"3695\"\u003eInstallation \u0026amp; Service Notes\u003c\/h2\u003e\n\u003cp data-start=\"3697\" data-end=\"3778\"\u003eTurn off the pressure washer and relieve all system pressure before installation.\u003c\/p\u003e\n\u003cp data-start=\"3780\" data-end=\"3903\"\u003eInstall the accumulator using the \u003cstrong data-start=\"3814\" data-end=\"3833\"\u003e3\/4\" Female NPT\u003c\/strong\u003e connection in the location recommended by the equipment manufacturer.\u003c\/p\u003e\n\u003cp data-start=\"3905\" data-end=\"4009\"\u003eApply an appropriate thread sealant where required and tighten fittings securely without overtightening.\u003c\/p\u003e\n\u003cp data-start=\"4011\" data-end=\"4129\"\u003eVerify the air pre-charge is set within the recommended \u003cstrong data-start=\"4067\" data-end=\"4081\"\u003e90–200 PSI\u003c\/strong\u003e range before placing the system into operation.\u003c\/p\u003e\n\u003cp data-start=\"4131\" data-end=\"4221\"\u003eInspect all connections for leaks and verify smooth system performance after installation.\u003c\/p\u003e\n\u003cp data-start=\"4223\" data-end=\"4456\"\u003e\u003cstrong data-start=\"4223\" data-end=\"4237\"\u003eImportant:\u003c\/strong\u003e Never exceed the maximum \u003cstrong data-start=\"4263\" data-end=\"4293\"\u003e1,300 PSI working pressure\u003c\/strong\u003e or \u003cstrong data-start=\"4297\" data-end=\"4317\"\u003e10 GPM flow rate\u003c\/strong\u003e. Maintain the proper air pre-charge and rebuild the accumulator with compatible replacement parts as needed to ensure optimal performance.\u003c\/p\u003e\n\u003chr data-start=\"4458\" data-end=\"4461\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4463\" data-end=\"4493\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4495\" data-end=\"4990\"\u003e\n\u003cli data-section-id=\"bb350e\" data-start=\"4495\" data-end=\"4572\"\u003eInspect the accumulator regularly for leaks, corrosion, or physical damage.\u003c\/li\u003e\n\u003cli data-section-id=\"1r6062w\" data-start=\"4573\" data-end=\"4671\"\u003eCheck and maintain the air pre-charge according to the equipment manufacturer's recommendations.\u003c\/li\u003e\n\u003cli data-section-id=\"1fh7n38\" data-start=\"4672\" data-end=\"4738\"\u003eMonitor system performance for increased pulsation or vibration.\u003c\/li\u003e\n\u003cli data-section-id=\"yyl9q2\" data-start=\"4739\" data-end=\"4797\"\u003eInspect threaded connections during routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"1em6ro2\" data-start=\"4798\" data-end=\"4868\"\u003eRebuild the accumulator when internal components show signs of wear.\u003c\/li\u003e\n\u003cli data-section-id=\"1bh8ppx\" data-start=\"4869\" data-end=\"4990\"\u003eUse only genuine General Pump replacement parts to maintain proper fit, reliable performance, and maximum service life.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Pump","offers":[{"title":"Default Title","offer_id":53481486156139,"sku":null,"price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/ACCUMULATOR10GPM1300PSI.webp?v=1783475889","url":"https:\/\/generalsprayers.com\/products\/gp-pressure-washer-accumulator-1300-psi-10-gpm-pulsation-dampener","provider":"GeneralSprayers","version":"1.0","type":"link"}