{"product_id":"pnr-1-4-mnpt-40-4-5-stainless-steel-spray-nozzle-pressure-washer-replacement-nozzle","title":"PNR 1\/4\" MNPT 40° 4.5 Stainless Steel Spray Nozzle – Pressure Washer Replacement Nozzle","description":"\u003cp data-start=\"0\" data-end=\"211\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 7657\u003cbr data-start=\"21\" data-end=\"24\"\u003e\u003cstrong data-start=\"24\" data-end=\"37\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Accessories → Spray Nozzles → High-Pressure Spray Nozzles\u003cbr data-start=\"111\" data-end=\"114\"\u003e\u003cstrong data-start=\"114\" data-end=\"123\"\u003eType:\u003c\/strong\u003e PNR 1\/4\" MNPT 40° 4.5 Stainless Steel Spray Nozzle – Pressure Washer Replacement Nozzle\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"213\" data-end=\"216\"\u003e\n\u003cp data-start=\"309\" data-end=\"739\"\u003eThe \u003cstrong data-start=\"313\" data-end=\"362\"\u003ePNR Stainless Steel Spray Nozzle (Part #7657)\u003c\/strong\u003e is a genuine OEM high-pressure replacement nozzle designed for commercial, industrial, agricultural, and residential pressure washing applications. Featuring a \u003cstrong data-start=\"523\" data-end=\"554\"\u003e40-degree fan spray pattern\u003c\/strong\u003e and a \u003cstrong data-start=\"561\" data-end=\"576\"\u003e4.5 orifice\u003c\/strong\u003e, this nozzle provides broad, even water distribution for efficient rinsing, washing, and general-purpose cleaning while maintaining consistent operating pressure.\u003c\/p\u003e\n\u003chr data-start=\"1500\" data-end=\"1503\"\u003e\n\u003ch1 data-section-id=\"1oef6j8\" data-start=\"1505\" data-end=\"1530\"\u003eKey Features \u0026amp; Benefits\u003c\/h1\u003e\n\u003cul data-start=\"1532\" data-end=\"1957\"\u003e\n\u003cli data-section-id=\"1gsvlen\" data-start=\"1532\" data-end=\"1576\"\u003eGenuine PNR OEM high-pressure spray nozzle\u003c\/li\u003e\n\u003cli data-section-id=\"17n08md\" data-start=\"1577\" data-end=\"1596\"\u003ePart Number: 7657\u003c\/li\u003e\n\u003cli data-section-id=\"11sm3d7\" data-start=\"1597\" data-end=\"1625\"\u003eWide 40° fan spray pattern\u003c\/li\u003e\n\u003cli data-section-id=\"1evre0v\" data-start=\"1626\" data-end=\"1644\"\u003e4.5 orifice size\u003c\/li\u003e\n\u003cli data-section-id=\"fuouy9\" data-start=\"1645\" data-end=\"1667\"\u003e1\/4\" MNPT connection\u003c\/li\u003e\n\u003cli data-section-id=\"12d6xbx\" data-start=\"1668\" data-end=\"1712\"\u003eManufactured from AISI 416 stainless steel\u003c\/li\u003e\n\u003cli data-section-id=\"67axqw\" data-start=\"1713\" data-end=\"1766\"\u003ePrecision-machined for consistent spray performance\u003c\/li\u003e\n\u003cli data-section-id=\"xetxaj\" data-start=\"1767\" data-end=\"1797\"\u003eCorrosion and wear resistant\u003c\/li\u003e\n\u003cli data-section-id=\"uhkyuy\" data-start=\"1798\" data-end=\"1850\"\u003eExcellent for rinsing and general-purpose cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"mlbopq\" data-start=\"1851\" data-end=\"1908\"\u003eBroad surface coverage for improved cleaning efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"1aojapk\" data-start=\"1909\" data-end=\"1957\"\u003eOEM-quality construction for long service life\u003c\/li\u003e\n\u003c\/ul\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 7657\u003c\/p\u003e\n\u003cp data-start=\"2015\" data-end=\"2036\"\u003e\u003cstrong data-start=\"2015\" data-end=\"2032\"\u003eManufacturer:\u003c\/strong\u003e PNR\u003c\/p\u003e\n\u003cp data-start=\"2038\" data-end=\"2082\"\u003e\u003cstrong data-start=\"2038\" data-end=\"2055\"\u003eProduct Type:\u003c\/strong\u003e High-Pressure Spray Nozzle\u003c\/p\u003e\n\u003cp data-start=\"2084\" data-end=\"2110\"\u003e\u003cstrong data-start=\"2084\" data-end=\"2100\"\u003eThread Size:\u003c\/strong\u003e 1\/4\" MNPT\u003c\/p\u003e\n\u003cp data-start=\"2112\" data-end=\"2134\"\u003e\u003cstrong data-start=\"2112\" data-end=\"2130\"\u003eSpray Pattern:\u003c\/strong\u003e 40°\u003c\/p\u003e\n\u003cp data-start=\"2136\" data-end=\"2157\"\u003e\u003cstrong data-start=\"2136\" data-end=\"2153\"\u003eOrifice Size:\u003c\/strong\u003e 4.5\u003c\/p\u003e\n\u003cp data-start=\"2159\" data-end=\"2179\"\u003e\u003cstrong data-start=\"2159\" data-end=\"2175\"\u003eNozzle Size:\u003c\/strong\u003e 4.5\u003c\/p\u003e\n\u003cp data-start=\"2181\" data-end=\"2219\"\u003e\u003cstrong data-start=\"2181\" data-end=\"2194\"\u003eMaterial:\u003c\/strong\u003e AISI 416 Stainless Steel\u003c\/p\u003e\n\u003cp data-start=\"2221\" data-end=\"2245\"\u003e\u003cstrong data-start=\"2221\" data-end=\"2241\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2247\" data-end=\"2250\"\u003e\n\u003ch1 data-section-id=\"1w7a361\" data-start=\"2252\" data-end=\"2277\"\u003eCompatible Applications\u003c\/h1\u003e\n\u003cp data-start=\"2279\" data-end=\"2301\"\u003eSuitable for use with:\u003c\/p\u003e\n\u003cul data-start=\"2303\" data-end=\"2580\"\u003e\n\u003cli data-section-id=\"16nptjl\" data-start=\"2303\" data-end=\"2331\"\u003ePressure washer spray guns\u003c\/li\u003e\n\u003cli data-section-id=\"1luhrht\" data-start=\"2332\" data-end=\"2361\"\u003ePressure washer spray wands\u003c\/li\u003e\n\u003cli data-section-id=\"1igfj9d\" data-start=\"2362\" data-end=\"2386\"\u003ePressure washer lances\u003c\/li\u003e\n\u003cli data-section-id=\"1ftw8hk\" data-start=\"2387\" data-end=\"2416\"\u003eCommercial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1wpc0sg\" data-start=\"2417\" data-end=\"2448\"\u003eIndustrial cleaning equipment\u003c\/li\u003e\n\u003cli data-section-id=\"d4mmu5\" data-start=\"2449\" data-end=\"2466\"\u003eVehicle washing\u003c\/li\u003e\n\u003cli data-section-id=\"xkh8e3\" data-start=\"2467\" data-end=\"2482\"\u003eFleet washing\u003c\/li\u003e\n\u003cli data-section-id=\"1q5rf75\" data-start=\"2483\" data-end=\"2511\"\u003eBuilding exterior cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"9bm7jy\" data-start=\"2512\" data-end=\"2545\"\u003eAgricultural equipment cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"e2hged\" data-start=\"2546\" data-end=\"2580\"\u003eGeneral-purpose pressure washing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2582\" data-end=\"2692\"\u003eAlways verify the thread size, nozzle size, operating pressure, and machine flow requirements before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2694\" data-end=\"2697\"\u003e\n\u003ch1 data-section-id=\"1lug2ol\" data-start=\"2699\" data-end=\"2729\"\u003eFunction of the Spray Nozzle\u003c\/h1\u003e\n\u003cp data-start=\"2731\" data-end=\"2763\"\u003eThe PNR 7657 spray nozzle helps:\u003c\/p\u003e\n\u003cul data-start=\"2765\" data-end=\"3055\"\u003e\n\u003cli data-section-id=\"1saql26\" data-start=\"2765\" data-end=\"2813\"\u003eProduce a wide \u003cstrong data-start=\"2782\" data-end=\"2813\"\u003e40° high-pressure fan spray\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vsvxpa\" data-start=\"2814\" data-end=\"2869\"\u003eDeliver even water distribution across large surfaces\u003c\/li\u003e\n\u003cli data-section-id=\"1fz6991\" data-start=\"2870\" data-end=\"2924\"\u003eRemove dirt, dust, mud, and loose debris efficiently\u003c\/li\u003e\n\u003cli data-section-id=\"b6cvxh\" data-start=\"2925\" data-end=\"2980\"\u003eMaintain consistent operating pressure and water flow\u003c\/li\u003e\n\u003cli data-section-id=\"xbqlzg\" data-start=\"2981\" data-end=\"3055\"\u003eImprove cleaning efficiency for routine washing and rinsing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3057\" data-end=\"3242\"\u003eIts \u003cstrong data-start=\"3061\" data-end=\"3082\"\u003e40° spray pattern\u003c\/strong\u003e provides broad coverage with moderate cleaning force, making it an excellent choice for general-purpose cleaning where efficient surface coverage is important.\u003c\/p\u003e\n\u003chr data-start=\"3244\" data-end=\"3247\"\u003e\n\u003ch1 data-section-id=\"mqxmo4\" data-start=\"3249\" data-end=\"3285\"\u003eCommon Signs Replacement Is Needed\u003c\/h1\u003e\n\u003cp data-start=\"3287\" data-end=\"3320\"\u003eReplace the nozzle if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3322\" data-end=\"3530\"\u003e\n\u003cli data-section-id=\"19qzzkl\" data-start=\"3322\" data-end=\"3357\"\u003eUneven or distorted spray pattern\u003c\/li\u003e\n\u003cli data-section-id=\"irubn0\" data-start=\"3358\" data-end=\"3385\"\u003eReduced cleaning pressure\u003c\/li\u003e\n\u003cli data-section-id=\"zgl1b2\" data-start=\"3386\" data-end=\"3412\"\u003eWorn or enlarged orifice\u003c\/li\u003e\n\u003cli data-section-id=\"1py6wf5\" data-start=\"3413\" data-end=\"3429\"\u003eClogged nozzle\u003c\/li\u003e\n\u003cli data-section-id=\"jrcflm\" data-start=\"3430\" data-end=\"3447\"\u003eDamaged threads\u003c\/li\u003e\n\u003cli data-section-id=\"rilljn\" data-start=\"3448\" data-end=\"3478\"\u003eCorrosion or physical damage\u003c\/li\u003e\n\u003cli data-section-id=\"v1b4hb\" data-start=\"3479\" data-end=\"3530\"\u003eIncreased water consumption caused by nozzle wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3532\" data-end=\"3631\"\u003eReplacing a worn nozzle restores proper spray pattern, operating pressure, and cleaning efficiency.\u003c\/p\u003e\n\u003chr data-start=\"3633\" data-end=\"3636\"\u003e\n\u003ch1 data-section-id=\"1547z5u\" data-start=\"3638\" data-end=\"3668\"\u003eInstallation \u0026amp; Service Notes\u003c\/h1\u003e\n\u003cul data-start=\"3670\" data-end=\"4148\"\u003e\n\u003cli data-section-id=\"11kc57g\" data-start=\"3670\" data-end=\"3757\"\u003eTurn off the pressure washer and relieve system pressure before replacing the nozzle.\u003c\/li\u003e\n\u003cli data-section-id=\"e9g7k1\" data-start=\"3758\" data-end=\"3840\"\u003eVerify compatibility with the \u003cstrong data-start=\"3790\" data-end=\"3803\"\u003e1\/4\" MNPT\u003c\/strong\u003e connection and \u003cstrong data-start=\"3819\" data-end=\"3834\"\u003e4.5 orifice\u003c\/strong\u003e size.\u003c\/li\u003e\n\u003cli data-section-id=\"6r8m70\" data-start=\"3841\" data-end=\"3922\"\u003eInstall the nozzle securely without overtightening the stainless steel threads.\u003c\/li\u003e\n\u003cli data-section-id=\"s9arnl\" data-start=\"3923\" data-end=\"3992\"\u003eInspect the nozzle seat and threads for debris before installation.\u003c\/li\u003e\n\u003cli data-section-id=\"sff9s3\" data-start=\"3993\" data-end=\"4064\"\u003eTest the spray pattern after installation to verify proper operation.\u003c\/li\u003e\n\u003cli data-section-id=\"1hwbifp\" data-start=\"4065\" data-end=\"4148\"\u003eReplace the nozzle if wear causes pressure loss or an inconsistent spray pattern.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4150\" data-end=\"4482\"\u003e\u003cstrong data-start=\"4150\" data-end=\"4164\"\u003eImportant:\u003c\/strong\u003e Match the \u003cstrong data-start=\"4175\" data-end=\"4195\"\u003e4.5 orifice size\u003c\/strong\u003e to your pressure washer's GPM and PSI specifications to maintain proper operating pressure and cleaning performance. The \u003cstrong data-start=\"4317\" data-end=\"4338\"\u003e40° spray pattern\u003c\/strong\u003e is ideal for rinsing, vehicle washing, siding, decks, patios, and other applications requiring wide, even coverage with reduced surface impact.\u003c\/p\u003e\n\u003chr data-start=\"4484\" data-end=\"4487\"\u003e\n\u003ch1 data-section-id=\"16tfrdt\" data-start=\"4489\" data-end=\"4518\"\u003eMaintenance Recommendations\u003c\/h1\u003e\n\u003cul data-start=\"4520\" data-end=\"4960\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"u8jjrd\" data-start=\"4520\" data-end=\"4571\"\u003eFlush the nozzle with clean water after each use.\u003c\/li\u003e\n\u003cli data-section-id=\"1cr9d0k\" data-start=\"4572\" data-end=\"4642\"\u003eInspect the orifice regularly for mineral deposits, debris, or wear.\u003c\/li\u003e\n\u003cli data-section-id=\"sleph7\" data-start=\"4643\" data-end=\"4779\"\u003eClean clogged nozzles using an approved nozzle cleaning tool—avoid using wire or sharp objects that may enlarge the precision orifice.\u003c\/li\u003e\n\u003cli data-section-id=\"1sw4nsg\" data-start=\"4780\" data-end=\"4840\"\u003eStore the nozzle in a clean, dry location when not in use.\u003c\/li\u003e\n\u003cli data-section-id=\"qt9elf\" data-start=\"4841\" data-end=\"4960\" data-is-last-node=\"\"\u003eUse only genuine OEM replacement nozzles to maintain proper spray pattern, operating pressure, and long service life.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PNR","offers":[{"title":"Default Title","offer_id":53452124324203,"sku":null,"price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/7657PNRNozzle.webp?v=1783041771","url":"https:\/\/generalsprayers.com\/products\/pnr-1-4-mnpt-40-4-5-stainless-steel-spray-nozzle-pressure-washer-replacement-nozzle","provider":"GeneralSprayers","version":"1.0","type":"link"}