{"product_id":"ar-2780-check-valve-kit-oem-replacement-for-xw-xwa-pressure-washer-pumps","title":"AR 2780 Check Valve Kit – OEM Replacement for XW \u0026 XWA Pressure Washer Pumps","description":"\u003cdiv class=\"\" data-turn-id-container=\"a5e966e1-a861-4896-982c-8794ba90e62a\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--sticky-padding-top)\" dir=\"auto\" data-turn-id=\"a5e966e1-a861-4896-982c-8794ba90e62a\" data-turn-id-container=\"a5e966e1-a861-4896-982c-8794ba90e62a\" data-testid=\"conversation-turn-61\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-29\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-29\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-29\" data-testid=\"conversation-turn-62\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"aa9123d2-21b4-47b3-a9b5-49654d8e1a16\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"186\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e AR2780\u003cbr data-start=\"21\" data-end=\"24\"\u003e\u003cstrong data-start=\"24\" data-end=\"37\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Parts → Pump Repair Kits → Check Valve Kits\u003cbr data-start=\"97\" data-end=\"100\"\u003e\u003cstrong data-start=\"100\" data-end=\"109\"\u003eType:\u003c\/strong\u003e AR 2780 Check Valve Kit – OEM Replacement for XW \u0026amp; XWA Pressure Washer Pumps\u003c\/p\u003e\n\u003chr data-start=\"188\" data-end=\"191\"\u003e\n\u003cp data-start=\"273\" data-end=\"674\"\u003eThe \u003cstrong data-start=\"277\" data-end=\"317\"\u003eAR 2780 Check Valve Kit (Part #2780)\u003c\/strong\u003e is a genuine OEM replacement repair kit designed for servicing compatible \u003cstrong data-start=\"392\" data-end=\"435\"\u003eAnnovi Reverberi (AR) XW and XWA Series\u003c\/strong\u003e pressure washer pumps. This complete kit includes \u003cstrong data-start=\"486\" data-end=\"544\"\u003esix complete check valve assemblies and twelve O-rings\u003c\/strong\u003e, providing the components needed to restore proper water flow, maintain operating pressure, and improve overall pump performance.\u003c\/p\u003e\n\u003chr data-start=\"1252\" data-end=\"1255\"\u003e\n\u003ch1 data-section-id=\"1oef6j8\" data-start=\"1257\" data-end=\"1282\"\u003eKey Features \u0026amp; Benefits\u003c\/h1\u003e\n\u003cul data-start=\"1284\" data-end=\"1743\"\u003e\n\u003cli data-section-id=\"14qbq2t\" data-start=\"1284\" data-end=\"1335\"\u003eGenuine AR (Annovi Reverberi) OEM check valve kit\u003c\/li\u003e\n\u003cli data-section-id=\"17n3xnv\" data-start=\"1336\" data-end=\"1355\"\u003ePart Number: 2780\u003c\/li\u003e\n\u003cli data-section-id=\"nfrpmv\" data-start=\"1356\" data-end=\"1394\"\u003eComplete check valve replacement kit\u003c\/li\u003e\n\u003cli data-section-id=\"533r4d\" data-start=\"1395\" data-end=\"1454\"\u003eIncludes six complete valve assemblies and twelve O-rings\u003c\/li\u003e\n\u003cli data-section-id=\"18xu8ts\" data-start=\"1455\" data-end=\"1496\"\u003eRestores proper water flow and pressure\u003c\/li\u003e\n\u003cli data-section-id=\"10ieh13\" data-start=\"1497\" data-end=\"1550\"\u003eHelps eliminate pressure loss caused by worn valves\u003c\/li\u003e\n\u003cli data-section-id=\"h55zpa\" data-start=\"1551\" data-end=\"1594\"\u003eMaintains pump efficiency and performance\u003c\/li\u003e\n\u003cli data-section-id=\"1pkfdvi\" data-start=\"1595\" data-end=\"1647\"\u003eIdeal for pump rebuilds and preventive maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"8hfxfi\" data-start=\"1648\" data-end=\"1680\"\u003eOEM-quality fit and durability\u003c\/li\u003e\n\u003cli data-section-id=\"1087vgk\" data-start=\"1681\" data-end=\"1743\"\u003eDesigned for commercial and industrial pressure washer pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1745\" data-end=\"1748\"\u003e\n\u003ch1 data-section-id=\"4wdtu2\" data-start=\"1750\" data-end=\"1764\"\u003eKit Contents\u003c\/h1\u003e\n\u003cp data-start=\"1766\" data-end=\"1803\"\u003eThe AR 2780 Check Valve Kit includes:\u003c\/p\u003e\n\u003cul data-start=\"1805\" data-end=\"1903\"\u003e\n\u003cli data-section-id=\"16wxk6b\" data-start=\"1805\" data-end=\"1856\"\u003e(6) \u003cstrong data-start=\"1811\" data-end=\"1822\"\u003e1949050\u003c\/strong\u003e – Complete Check Valve Assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"nxfgp7\" data-start=\"1857\" data-end=\"1903\"\u003e(12) \u003cstrong data-start=\"1864\" data-end=\"1875\"\u003e1140450\u003c\/strong\u003e – O-Rings (20.24 × 2.62 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1905\" data-end=\"1957\"\u003eAll components are genuine OEM AR replacement parts.\u003c\/p\u003e\n\u003chr data-start=\"1959\" data-end=\"1962\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"1964\" data-end=\"1990\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cp data-start=\"1992\" data-end=\"2013\"\u003e\u003cstrong data-start=\"1992\" data-end=\"2008\"\u003ePart Number:\u003c\/strong\u003e 2780\u003c\/p\u003e\n\u003cp data-start=\"2015\" data-end=\"2048\"\u003e\u003cstrong data-start=\"2015\" data-end=\"2032\"\u003eProduct Type:\u003c\/strong\u003e Check Valve Kit\u003c\/p\u003e\n\u003cp data-start=\"2050\" data-end=\"2089\"\u003e\u003cstrong data-start=\"2050\" data-end=\"2067\"\u003eManufacturer:\u003c\/strong\u003e AR (Annovi Reverberi)\u003c\/p\u003e\n\u003cp data-start=\"2091\" data-end=\"2127\"\u003e\u003cstrong data-start=\"2091\" data-end=\"2118\"\u003eCompatible Pump Series:\u003c\/strong\u003e XW \u0026amp; XWA\u003c\/p\u003e\n\u003cp data-start=\"2129\" data-end=\"2153\"\u003e\u003cstrong data-start=\"2129\" data-end=\"2149\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2155\" data-end=\"2158\"\u003e\n\u003ch1 data-section-id=\"1mfbgas\" data-start=\"2160\" data-end=\"2184\"\u003eCompatible Pump Models\u003c\/h1\u003e\n\u003cp data-start=\"2186\" data-end=\"2239\"\u003eDesigned for use with compatible AR pumps, including:\u003c\/p\u003e\n\u003cul data-start=\"2241\" data-end=\"2287\"\u003e\n\u003cli data-section-id=\"1j448rp\" data-start=\"2241\" data-end=\"2247\"\u003eXW20\u003c\/li\u003e\n\u003cli data-section-id=\"1j448rr\" data-start=\"2248\" data-end=\"2254\"\u003eXW22\u003c\/li\u003e\n\u003cli data-section-id=\"1xh0l0l\" data-start=\"2255\" data-end=\"2263\"\u003eXW-M20\u003c\/li\u003e\n\u003cli data-section-id=\"170330k\" data-start=\"2264\" data-end=\"2271\"\u003eXWA20\u003c\/li\u003e\n\u003cli data-section-id=\"170330m\" data-start=\"2272\" data-end=\"2279\"\u003eXWA22\u003c\/li\u003e\n\u003cli data-section-id=\"17032va\" data-start=\"2280\" data-end=\"2287\"\u003eXWA-M\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2289\" data-end=\"2335\"\u003eAlways verify your pump model before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2337\" data-end=\"2340\"\u003e\n\u003ch1 data-section-id=\"1ih07cc\" data-start=\"2342\" data-end=\"2375\"\u003eFunction of the Check Valve Kit\u003c\/h1\u003e\n\u003cp data-start=\"2377\" data-end=\"2403\"\u003eThe check valve kit helps:\u003c\/p\u003e\n\u003cul data-start=\"2405\" data-end=\"2634\"\u003e\n\u003cli data-section-id=\"doq2ic\" data-start=\"2405\" data-end=\"2450\"\u003eControl one-way water flow through the pump\u003c\/li\u003e\n\u003cli data-section-id=\"1jwr9ab\" data-start=\"2451\" data-end=\"2487\"\u003eMaintain proper operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1lp8kyy\" data-start=\"2488\" data-end=\"2512\"\u003ePrevent water backflow\u003c\/li\u003e\n\u003cli data-section-id=\"18a85ml\" data-start=\"2513\" data-end=\"2538\"\u003eImprove pump efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"17aeva4\" data-start=\"2539\" data-end=\"2577\"\u003eRestore consistent pressure and flow\u003c\/li\u003e\n\u003cli data-section-id=\"17p2ey3\" data-start=\"2578\" data-end=\"2634\"\u003eProtect internal pump components from unnecessary wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2636\" data-end=\"2748\"\u003eReplacing worn check valves helps restore pressure washer performance while maintaining reliable pump operation.\u003c\/p\u003e\n\u003chr data-start=\"2750\" data-end=\"2753\"\u003e\n\u003ch1 data-section-id=\"mqxmo4\" data-start=\"2755\" data-end=\"2791\"\u003eCommon Signs Replacement Is Needed\u003c\/h1\u003e\n\u003cp data-start=\"2793\" data-end=\"2835\"\u003eReplace the check valve kit if you notice:\u003c\/p\u003e\n\u003cul data-start=\"2837\" data-end=\"3030\"\u003e\n\u003cli data-section-id=\"zu24k4\" data-start=\"2837\" data-end=\"2865\"\u003eReduced operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"17x0na5\" data-start=\"2866\" data-end=\"2893\"\u003ePulsating pressure output\u003c\/li\u003e\n\u003cli data-section-id=\"1f1izt\" data-start=\"2894\" data-end=\"2916\"\u003eDecreased water flow\u003c\/li\u003e\n\u003cli data-section-id=\"7s0kwz\" data-start=\"2917\" data-end=\"2931\"\u003ePump surging\u003c\/li\u003e\n\u003cli data-section-id=\"14xtpnq\" data-start=\"2932\" data-end=\"2953\"\u003eInternal valve wear\u003c\/li\u003e\n\u003cli data-section-id=\"19uwf8d\" data-start=\"2954\" data-end=\"2979\"\u003eWorn or damaged O-rings\u003c\/li\u003e\n\u003cli data-section-id=\"18a4h50\" data-start=\"2980\" data-end=\"3030\"\u003ePump rebuild or scheduled preventive maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3032\" data-end=\"3141\"\u003eReplacing worn valves early helps prevent additional wear to the manifold and other internal pump components.\u003c\/p\u003e\n\u003chr data-start=\"3143\" data-end=\"3146\"\u003e\n\u003ch1 data-section-id=\"1547z5u\" data-start=\"3148\" data-end=\"3178\"\u003eInstallation \u0026amp; Service Notes\u003c\/h1\u003e\n\u003cul data-start=\"3180\" data-end=\"3641\"\u003e\n\u003cli data-section-id=\"iv93qe\" data-start=\"3180\" data-end=\"3244\"\u003eShut down the pressure washer and relieve all system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"8gnlw1\" data-start=\"3245\" data-end=\"3323\"\u003eRemove the pump manifold according to the manufacturer's service procedures.\u003c\/li\u003e\n\u003cli data-section-id=\"jbgzd7\" data-start=\"3324\" data-end=\"3391\"\u003eCarefully remove the existing check valve assemblies and O-rings.\u003c\/li\u003e\n\u003cli data-section-id=\"1mzkhg\" data-start=\"3392\" data-end=\"3448\"\u003eClean all valve bores and sealing surfaces thoroughly.\u003c\/li\u003e\n\u003cli data-section-id=\"shenlx\" data-start=\"3449\" data-end=\"3493\"\u003eInspect the manifold for damage or debris.\u003c\/li\u003e\n\u003cli data-section-id=\"9gha54\" data-start=\"3494\" data-end=\"3567\"\u003eInstall the new valve assemblies and O-rings in the proper orientation.\u003c\/li\u003e\n\u003cli data-section-id=\"1ex4i5h\" data-start=\"3568\" data-end=\"3641\"\u003eReassemble the pump and verify proper pressure and leak-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3643\" data-end=\"3823\"\u003e\u003cstrong data-start=\"3643\" data-end=\"3657\"\u003eImportant:\u003c\/strong\u003e Inspect water seals, packings, ceramic plungers, and valve seats during service. Replacing worn components together helps maximize pump reliability and service life.\u003c\/p\u003e\n\u003chr data-start=\"3825\" data-end=\"3828\"\u003e\n\u003ch1 data-section-id=\"16tfrdt\" data-start=\"3830\" data-end=\"3859\"\u003eMaintenance Recommendations\u003c\/h1\u003e\n\u003cul data-start=\"3861\" data-end=\"4232\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"16op1jp\" data-start=\"3861\" data-end=\"3916\"\u003eInspect check valves during routine pump maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"81ok0q\" data-start=\"3917\" data-end=\"3991\"\u003eReplace worn valves at the first signs of pressure loss or pump surging.\u003c\/li\u003e\n\u003cli data-section-id=\"1cfsu8g\" data-start=\"3992\" data-end=\"4047\"\u003eUse clean, filtered inlet water to reduce valve wear.\u003c\/li\u003e\n\u003cli data-section-id=\"gwbawf\" data-start=\"4048\" data-end=\"4114\"\u003eFlush the pump after use when handling dirty or corrosive water.\u003c\/li\u003e\n\u003cli data-section-id=\"1lgz0xn\" data-start=\"4115\" data-end=\"4232\" data-is-last-node=\"\"\u003eUse only genuine OEM AR replacement parts to maintain optimum pump performance, reliability, and long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Annovi Reverberi","offers":[{"title":"Default Title","offer_id":53442510815595,"sku":null,"price":108.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/KIT2780CHECKVALVESXW-XWA.webp?v=1782853227","url":"https:\/\/generalsprayers.com\/products\/ar-2780-check-valve-kit-oem-replacement-for-xw-xwa-pressure-washer-pumps","provider":"GeneralSprayers","version":"1.0","type":"link"}