{"product_id":"copeland-510-0142-00","title":"Copeland 510-0142-00 Oil Check Valve Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eCopeland 510-0142-00 Oil Check Valve Assembly\u003c\/strong\u003e is the \u003cstrong\u003eOEM oil check valve\u003c\/strong\u003e for Copeland compressors, supplied as a complete \u003cstrong\u003ehex-head threaded assembly\u003c\/strong\u003e with a \u003cstrong\u003etapered male pipe thread\u003c\/strong\u003e and a drilled through-bore that installs directly into the compressor’s \u003cstrong\u003eoil circuit\u003c\/strong\u003e. A check valve is a \u003cstrong\u003eone-way valve\u003c\/strong\u003e: it passes \u003cstrong\u003eoil\u003c\/strong\u003e in the intended direction while the \u003cstrong\u003eoil pump\u003c\/strong\u003e is building pressure, then seats and blocks flow the other way when the compressor cycles off.\u003c\/p\u003e\n\n\u003cp\u003eOn a service call, this is the small part that tends to get overlooked until \u003cstrong\u003eoil pressure\u003c\/strong\u003e problems show up. A check valve that sticks open, leaks by, or has a worn seat can let oil drain back or bleed off, which shows up as slow \u003cstrong\u003eoil pressure\u003c\/strong\u003e build-up at start-up, nuisance \u003cstrong\u003eoil pressure safety trips\u003c\/strong\u003e, or a compressor that runs dry for the first few seconds of every cycle. Because the \u003cstrong\u003e510-0142-00\u003c\/strong\u003e ships as a complete assembly, you replace the whole valve instead of trying to salvage a worn seat. Always match the part to your compressor’s \u003cstrong\u003emodel and serial number\u003c\/strong\u003e on the nameplate, and confirm the position against the compressor’s parts list before you pull the old valve.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete OEM Assembly:\u003c\/strong\u003e Ships as a finished \u003cstrong\u003echeck valve assembly\u003c\/strong\u003e with its threaded body, so there is no piecing together of seats and hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects Bearings at Start-Up:\u003c\/strong\u003e A working \u003cstrong\u003eoil check valve\u003c\/strong\u003e helps hold the \u003cstrong\u003eoil circuit\u003c\/strong\u003e primed so \u003cstrong\u003ebearings\u003c\/strong\u003e and \u003cstrong\u003ecrankshaft\u003c\/strong\u003e surfaces are lubricated the moment the compressor starts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCures Oil Pressure Complaints:\u003c\/strong\u003e Replaces a worn or sticking valve behind \u003cstrong\u003elow oil pressure\u003c\/strong\u003e readings and repeat \u003cstrong\u003eoil safety\u003c\/strong\u003e lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Fit and Finish:\u003c\/strong\u003e A \u003cstrong\u003eCopeland\u003c\/strong\u003e part number, made to the same thread and seat specification as the valve the compressor left the factory with.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat does an oil check valve do?\u003c\/strong\u003e It allows \u003cstrong\u003eoil\u003c\/strong\u003e to flow one way in the lubrication circuit and stops it from flowing back, helping keep \u003cstrong\u003eoil pressure\u003c\/strong\u003e stable through start and stop cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow do I know the valve is bad?\u003c\/strong\u003e Slow \u003cstrong\u003eoil pressure\u003c\/strong\u003e build-up, oil pressure safety trips, or oil that drains back after shutdown point toward a leaking or sticking \u003cstrong\u003echeck valve\u003c\/strong\u003e. Confirm the rest of the oil circuit (\u003cstrong\u003epump\u003c\/strong\u003e, screen, pressure control) before replacing parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow do I confirm this is the right valve for my compressor?\u003c\/strong\u003e Compare the \u003cstrong\u003eCopeland\u003c\/strong\u003e compressor \u003cstrong\u003emodel and serial number\u003c\/strong\u003e to the parts list for your unit, and match the thread and hex size of the valve you are removing to the \u003cstrong\u003e510-0142-00\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Copeland","offers":[{"title":"Default Title","offer_id":67597826097330,"sku":"510-0142-00","price":25.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/510-0142-00.jpg?v=1790707426","url":"https:\/\/www.gsistore.com\/products\/copeland-510-0142-00","provider":"GSIstore","version":"1.0","type":"link"}