{"product_id":"value-collection-zmscs70329-silicone-o-ring-dash-329","title":"Value Collection ZMSCS70329 Silicone O-ring Dash 329","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION ZMSCS70329 is a round cross-section silicone O-ring sized to Dash 329 standards, with a 2-inch inside diameter, 2.375-inch outside diameter, and a 0.1875-inch cross-section thickness. Rated at 70 Shore A hardness, it is classified as a hard O-ring and is manufactured from silicone elastomer. It carries a wide service temperature range of -80 degrees F to 450 degrees F, making it suited for applications that demand both low-temperature flexibility and dry heat resistance. Plumbers, HVAC technicians, and maintenance professionals install this O-ring as a static or dynamic sealing element in piping, fittings, valves, and mechanical assemblies.\u003c\/p\u003e\u003cp\u003eThis O-ring is appropriate for residential and commercial applications involving oils, chemicals, and solvents where silicone elastomer is an acceptable material. It performs well in environments requiring good weather and ozone resistance. It is commonly used in HVAC equipment housings, plumbing fittings, pump assemblies, and general industrial equipment where a wide thermal range is a primary design requirement. Note that this compound has limited oil resistance and is not FDA approved, so verify material suitability before use in food-service or potable-water service.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDash 329 standard sizing: 2-inch ID, 2.375-inch OD, 0.1875-inch thickness\u003c\/li\u003e\n\u003cli\u003eSilicone elastomer construction rated from -80 degrees F to 450 degrees F\u003c\/li\u003e\n\u003cli\u003e70 Shore A hardness for a firm, reliable seal under compression\u003c\/li\u003e\n\u003cli\u003eRound cross-section geometry for consistent groove fit and seating\u003c\/li\u003e\n\u003cli\u003eCompatible with oils, chemicals, and solvents; good ozone and weather resistance\u003c\/li\u003e\n\u003cli\u003eSold in a package quantity of 25 units per order\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard Dash 329 O-ring replacement for any groove or fitting engineered to accept a 2-inch ID silicone O-ring with a 3\/16-inch cross section.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation of O-rings should be performed by a licensed plumber, HVAC technician, or qualified maintenance professional familiar with the sealing application. Always depressurize and de-energize the system and relieve any residual fluid pressure before removing or installing O-rings. Inspect the mating groove for nicks, burrs, or contamination prior to seating the O-ring. Do not use petroleum-based lubricants with silicone O-rings unless confirmed compatible with both the compound and the system fluid.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Silicone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 329\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 2.375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.1875 inches (3\/16 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 Shore A (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\u003eColor\u003c\/strong\u003e: White\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: 25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31401503\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: ZMSCS70329\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51692683133234,"sku":"ZMSCS70329","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/32e122d5a6e39b0ed264dfe6f25fff68.jpg?v=1788301144","url":"https:\/\/voomisupply.com\/products\/value-collection-zmscs70329-silicone-o-ring-dash-329","provider":"Voomi Supply","version":"1.0","type":"link"}