{"product_id":"value-collection-zmscs70248-silicone-o-ring-dash-248-5-pack","title":"Value Collection ZMSCS70248 Silicone O-ring Dash 248 5-pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCS70248 is a round-cross-section silicone O-ring sold in a pack of five, designed for static and dynamic sealing applications across HVAC, plumbing, and industrial fluid systems. It carries a Dash 248 designation with a 4.75-inch inside diameter, 5-inch outside diameter, and 0.125-inch thickness. The 70-durometer silicone compound delivers a working temperature range of -80 degrees F to 450 degrees F, making it well suited for high-heat and wide-temperature-swing service environments. Licensed trades and maintenance techs use these rings where heat resistance and weather exposure are primary concerns.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is appropriate for residential and light commercial applications involving oils, chemicals, and solvents at moderate concentrations. Its wide temperature tolerance makes it a common choice in HVAC equipment sealing points, pump housings, and piping connections that experience thermal cycling. Typical install scenarios include sealing flange faces, valve bodies, and access port fittings in systems that cycle between low ambient temperatures and sustained elevated operating temperatures. The pack quantity of five supports service kit builds and multi-unit repair runs.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSilicone compound rated from -80 degrees F to 450 degrees F for wide-temperature applications\u003c\/li\u003e\n  \u003cli\u003eDash 248 standard sizing: 4.75 inches ID, 5 inches OD, 0.125 inches thick\u003c\/li\u003e\n  \u003cli\u003e70-durometer hardness rating for firm, reliable sealing under compression\u003c\/li\u003e\n  \u003cli\u003eRound cross section for consistent gland fit and uniform squeeze\u003c\/li\u003e\n  \u003cli\u003eCompatible with oils, chemicals, and solvents; good weather and ozone resistance\u003c\/li\u003e\n  \u003cli\u003ePack of 5 units per order — suitable for stocking service kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard Dash 248 replacement O-ring for any gland or fitting that accepts a 4.75-inch ID by 5-inch OD by 0.125-inch cross-section silicone seal. Suitable for use in systems requiring good dry heat resistance and weather or ozone stability; limited oil resistance should be considered when selecting for continuous hydrocarbon immersion service.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by plumbers, HVAC technicians, or industrial mechanics working on sealed fluid or gas systems. Always isolate, depressurize, and drain the relevant system section before removing the old O-ring. Inspect the gland groove for nicks or corrosion that could cause the new ring to seat unevenly. Avoid using petroleum-based lubricants on silicone O-rings unless confirmed compatible with the seal material and system media.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Silicone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 248\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 4.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCross Section Shape\u003c\/strong\u003e: Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: 70 (Hard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Working Temperature\u003c\/strong\u003e: -80 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Temperature\u003c\/strong\u003e: 450 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Media\u003c\/strong\u003e: Oils, Chemicals, Solvents\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFDA Approved\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31401503\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: ZMSCS70248\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51695307882802,"sku":"ZMSCS70248","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ac845537615eb17275e29ad78c1edf37.jpg?v=1788333733","url":"https:\/\/voomisupply.com\/products\/value-collection-zmscs70248-silicone-o-ring-dash-248-5-pack","provider":"Voomi Supply","version":"1.0","type":"link"}