{"product_id":"dolly-kit-for-ar-1864-check-valve-kit-oem-replacement-part","title":"Dolly Kit for AR 1864 Check Valve Kit – OEM Replacement Part","description":"\u003cp data-start=\"0\" data-end=\"160\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 7421\u003cbr data-start=\"21\" data-end=\"24\"\u003e\u003cstrong data-start=\"24\" data-end=\"37\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Parts → Pump Parts → Check Valves \u0026amp; Repair Kits\u003cbr data-start=\"101\" data-end=\"104\"\u003e\u003cstrong data-start=\"104\" data-end=\"113\"\u003eType:\u003c\/strong\u003e AR (Annovi Reverberi) KIT 1864 Check Valve Kit\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"162\" data-end=\"165\"\u003e\n\u003cp data-start=\"237\" data-end=\"722\"\u003eThe \u003cstrong data-start=\"241\" data-end=\"295\"\u003eDolly Kit for AR 1864 Check Valve Kit (Part #7421)\u003c\/strong\u003e is a genuine OEM replacement valve service kit designed to restore proper flow control and maintain peak performance in compatible \u003cstrong data-start=\"427\" data-end=\"474\"\u003eAnnovi Reverberi (AR) triplex plunger pumps\u003c\/strong\u003e. This kit includes \u003cstrong data-start=\"494\" data-end=\"547\"\u003ereplacement check valves and O-rings (2x6 pieces)\u003c\/strong\u003e required for servicing worn, damaged, or contaminated valve assemblies, helping maintain consistent operating pressure, improve flow efficiency, and extend pump service life.\u003c\/p\u003e\n\u003chr data-start=\"1322\" data-end=\"1325\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1327\" data-end=\"1353\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1355\" data-end=\"1882\"\u003e\n\u003cli data-section-id=\"ph475h\" data-start=\"1355\" data-end=\"1406\"\u003eGenuine AR (Annovi Reverberi) OEM replacement kit\u003c\/li\u003e\n\u003cli data-section-id=\"12s7kks\" data-start=\"1407\" data-end=\"1454\"\u003eIncludes replacement check valves and O-rings\u003c\/li\u003e\n\u003cli data-section-id=\"l5ui6l\" data-start=\"1455\" data-end=\"1511\"\u003eKit contains valve and sealing components (2x6 pieces)\u003c\/li\u003e\n\u003cli data-section-id=\"1nc9z11\" data-start=\"1512\" data-end=\"1550\"\u003eHelps restore proper valve operation\u003c\/li\u003e\n\u003cli data-section-id=\"dfja83\" data-start=\"1551\" data-end=\"1590\"\u003eMaintains operating pressure and flow\u003c\/li\u003e\n\u003cli data-section-id=\"127n7n5\" data-start=\"1591\" data-end=\"1635\"\u003eReduces internal leakage and pressure loss\u003c\/li\u003e\n\u003cli data-section-id=\"fwwkb1\" data-start=\"1636\" data-end=\"1673\"\u003eSupports efficient pump performance\u003c\/li\u003e\n\u003cli data-section-id=\"16r8rhd\" data-start=\"1674\" data-end=\"1714\"\u003eOEM-quality materials and construction\u003c\/li\u003e\n\u003cli data-section-id=\"11ske17\" data-start=\"1715\" data-end=\"1769\"\u003eIdeal for preventative maintenance and pump rebuilds\u003c\/li\u003e\n\u003cli data-section-id=\"1d7g3nt\" data-start=\"1770\" data-end=\"1797\"\u003eDirect replacement design\u003c\/li\u003e\n\u003cli data-section-id=\"18a0c0f\" data-start=\"1798\" data-end=\"1830\"\u003eHelps extend pump service life\u003c\/li\u003e\n\u003cli data-section-id=\"fyhvnz\" data-start=\"1831\" data-end=\"1882\"\u003eManufactured to original equipment specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1884\" data-end=\"1887\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1889\" data-end=\"1916\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1918\" data-end=\"1939\"\u003e\u003cstrong data-start=\"1918\" data-end=\"1934\"\u003ePart Number:\u003c\/strong\u003e 7421\u003c\/p\u003e\n\u003cp data-start=\"1941\" data-end=\"1980\"\u003e\u003cstrong data-start=\"1941\" data-end=\"1958\"\u003eManufacturer:\u003c\/strong\u003e AR (Annovi Reverberi)\u003c\/p\u003e\n\u003cp data-start=\"1982\" data-end=\"2021\"\u003e\u003cstrong data-start=\"1982\" data-end=\"2012\"\u003eManufacturer Model Number:\u003c\/strong\u003e KIT 1864\u003c\/p\u003e\n\u003cp data-start=\"2023\" data-end=\"2090\"\u003e\u003cstrong data-start=\"2023\" data-end=\"2047\"\u003eProduct Description:\u003c\/strong\u003e Kit Dolly A1864 Valves + O-Rings (2x6 pcs)\u003c\/p\u003e\n\u003cp data-start=\"2092\" data-end=\"2142\"\u003e\u003cstrong data-start=\"2092\" data-end=\"2109\"\u003eProduct Type:\u003c\/strong\u003e Check Valve \u0026amp; O-Ring Service Kit\u003c\/p\u003e\n\u003cp data-start=\"2144\" data-end=\"2186\"\u003e\u003cstrong data-start=\"2144\" data-end=\"2161\"\u003eKit Contents:\u003c\/strong\u003e Check Valves and O-Rings\u003c\/p\u003e\n\u003cp data-start=\"2188\" data-end=\"2240\"\u003e\u003cstrong data-start=\"2188\" data-end=\"2201\"\u003eQuantity:\u003c\/strong\u003e Valve and Seal Components (2x6 Pieces)\u003c\/p\u003e\n\u003cp data-start=\"2242\" data-end=\"2301\"\u003e\u003cstrong data-start=\"2242\" data-end=\"2265\"\u003ePump Compatibility:\u003c\/strong\u003e Compatible AR Triplex Plunger Pumps\u003c\/p\u003e\n\u003cp data-start=\"2303\" data-end=\"2327\"\u003e\u003cstrong data-start=\"2303\" data-end=\"2323\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003cp data-start=\"2329\" data-end=\"2379\"\u003e\u003cstrong data-start=\"2329\" data-end=\"2345\"\u003eApplication:\u003c\/strong\u003e Pump Valve Maintenance and Repair\u003c\/p\u003e\n\u003chr data-start=\"2381\" data-end=\"2384\"\u003e\n\u003ch2 data-section-id=\"vx2wyp\" data-start=\"2386\" data-end=\"2408\"\u003eCommon Applications\u003c\/h2\u003e\n\u003cul data-start=\"2410\" data-end=\"2675\"\u003e\n\u003cli data-section-id=\"8tvhkf\" data-start=\"2410\" data-end=\"2436\"\u003eAR pressure washer pumps\u003c\/li\u003e\n\u003cli data-section-id=\"2q73x6\" data-start=\"2437\" data-end=\"2460\"\u003eTriplex plunger pumps\u003c\/li\u003e\n\u003cli data-section-id=\"1oa2tqu\" data-start=\"2461\" data-end=\"2500\"\u003eCommercial pressure washing equipment\u003c\/li\u003e\n\u003cli data-section-id=\"16ga20s\" data-start=\"2501\" data-end=\"2530\"\u003eIndustrial cleaning systems\u003c\/li\u003e\n\u003cli data-section-id=\"1navbxu\" data-start=\"2531\" data-end=\"2564\"\u003eAgricultural spraying equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1hb3h7x\" data-start=\"2565\" data-end=\"2588\"\u003eFleet washing systems\u003c\/li\u003e\n\u003cli data-section-id=\"kd18ak\" data-start=\"2589\" data-end=\"2615\"\u003eWater transfer equipment\u003c\/li\u003e\n\u003cli data-section-id=\"w6mo30\" data-start=\"2616\" data-end=\"2635\"\u003eWash-down systems\u003c\/li\u003e\n\u003cli data-section-id=\"wx2rbd\" data-start=\"2636\" data-end=\"2675\"\u003ePump rebuild and maintenance services\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2677\" data-end=\"2680\"\u003e\n\u003ch2 data-section-id=\"ctfpuh\" data-start=\"2682\" data-end=\"2705\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cul data-start=\"2707\" data-end=\"3013\"\u003e\n\u003cli data-section-id=\"fqnz9e\" data-start=\"2707\" data-end=\"2746\"\u003eRestores proper check valve operation\u003c\/li\u003e\n\u003cli data-section-id=\"1f2yd2j\" data-start=\"2747\" data-end=\"2793\"\u003eHelps maintain consistent operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1g9sr4h\" data-start=\"2794\" data-end=\"2826\"\u003eImproves water flow efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"id47i5\" data-start=\"2827\" data-end=\"2864\"\u003eReduces internal bypass and leakage\u003c\/li\u003e\n\u003cli data-section-id=\"152r7fa\" data-start=\"2865\" data-end=\"2899\"\u003eSupports smooth pump performance\u003c\/li\u003e\n\u003cli data-section-id=\"1f4r8tb\" data-start=\"2900\" data-end=\"2941\"\u003eImproves pump reliability and longevity\u003c\/li\u003e\n\u003cli data-section-id=\"8jrmjj\" data-start=\"2942\" data-end=\"2985\"\u003eMaintains consistent cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"lmun4u\" data-start=\"2986\" data-end=\"3013\"\u003eExtends pump service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3015\" data-end=\"3018\"\u003e\n\u003ch2 data-section-id=\"e2okhl\" data-start=\"3020\" data-end=\"3062\"\u003eSigns Check Valves May Need Replacement\u003c\/h2\u003e\n\u003cp data-start=\"3064\" data-end=\"3115\"\u003eReplace the check valves and O-rings if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3117\" data-end=\"3347\"\u003e\n\u003cli data-section-id=\"5zjyxm\" data-start=\"3117\" data-end=\"3145\"\u003eLoss of operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"17x0na5\" data-start=\"3146\" data-end=\"3173\"\u003ePulsating pressure output\u003c\/li\u003e\n\u003cli data-section-id=\"1mlu30c\" data-start=\"3174\" data-end=\"3193\"\u003eReduced flow rate\u003c\/li\u003e\n\u003cli data-section-id=\"pmpq9m\" data-start=\"3194\" data-end=\"3218\"\u003eInternal water leakage\u003c\/li\u003e\n\u003cli data-section-id=\"1xk76v\" data-start=\"3219\" data-end=\"3252\"\u003eDifficulty maintaining pressure\u003c\/li\u003e\n\u003cli data-section-id=\"z63v0g\" data-start=\"3253\" data-end=\"3275\"\u003eExcessive valve wear\u003c\/li\u003e\n\u003cli data-section-id=\"1t2zv4u\" data-start=\"3276\" data-end=\"3315\"\u003eDamaged O-rings or sealing components\u003c\/li\u003e\n\u003cli data-section-id=\"1d1scdr\" data-start=\"3316\" data-end=\"3347\"\u003eInconsistent pump performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3349\" data-end=\"3352\"\u003e\n\u003ch2 data-section-id=\"16dprsq\" data-start=\"3354\" data-end=\"3375\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003col data-start=\"3377\" data-end=\"3807\"\u003e\n\u003cli data-section-id=\"v1qt1w\" data-start=\"3377\" data-end=\"3442\"\u003eShut down the pressure washer and relieve all system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"1vuo091\" data-start=\"3443\" data-end=\"3480\"\u003eDisconnect power and water supply.\u003c\/li\u003e\n\u003cli data-section-id=\"465nl6\" data-start=\"3481\" data-end=\"3537\"\u003eRemove valve caps according to AR service procedures.\u003c\/li\u003e\n\u003cli data-section-id=\"1w53we4\" data-start=\"3538\" data-end=\"3581\"\u003eRemove worn valve and O-ring components.\u003c\/li\u003e\n\u003cli data-section-id=\"tiz0wt\" data-start=\"3582\" data-end=\"3617\"\u003eClean valve chambers thoroughly.\u003c\/li\u003e\n\u003cli data-section-id=\"1xg6fs5\" data-start=\"3618\" data-end=\"3675\"\u003eInstall new OEM check valves and O-rings from the kit.\u003c\/li\u003e\n\u003cli data-section-id=\"cjndz0\" data-start=\"3676\" data-end=\"3740\"\u003eReassemble the pump according to manufacturer specifications.\u003c\/li\u003e\n\u003cli data-section-id=\"1h14qb0\" data-start=\"3741\" data-end=\"3807\"\u003eTest operation and verify proper pressure and flow performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"3809\" data-end=\"3936\"\u003e\u003cstrong data-start=\"3809\" data-end=\"3823\"\u003eImportant:\u003c\/strong\u003e Always consult the AR service manual and verify compatibility with your specific pump model before installation.\u003c\/p\u003e\n\u003chr data-start=\"3938\" data-end=\"3941\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"3943\" data-end=\"3973\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"3975\" data-end=\"4283\"\u003e\n\u003cli data-section-id=\"lljp6b\" data-start=\"3975\" data-end=\"4024\"\u003eInspect valves during routine pump maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"1xqdbos\" data-start=\"4025\" data-end=\"4068\"\u003eReplace worn valves and O-rings promptly.\u003c\/li\u003e\n\u003cli data-section-id=\"1i58m47\" data-start=\"4069\" data-end=\"4104\"\u003eMaintain proper inlet filtration.\u003c\/li\u003e\n\u003cli data-section-id=\"ih7cye\" data-start=\"4105\" data-end=\"4149\"\u003eUse clean water sources whenever possible.\u003c\/li\u003e\n\u003cli data-section-id=\"1r2x7kj\" data-start=\"4150\" data-end=\"4206\"\u003eFollow manufacturer-recommended maintenance schedules.\u003c\/li\u003e\n\u003cli data-section-id=\"1vv9nrr\" data-start=\"4207\" data-end=\"4283\"\u003eAddress pressure fluctuations immediately to prevent additional pump wear.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Annovi Reverberi","offers":[{"title":"Default Title","offer_id":53423033090411,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/7421DOLLYKIT.webp?v=1782345006","url":"https:\/\/generalsprayers.com\/products\/dolly-kit-for-ar-1864-check-valve-kit-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}