{"product_id":"legend-valve-117-m-hydronic-tube-cap-1-1-8-inch-od-brass","title":"Legend Valve 117-M Hydronic Tube Cap 1-1\/8 Inch Od Brass","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe LEGEND VALVE 117-M is a brass compression tube cap designed to seal 1-1\/8 inch OD hydronic tubing in closed-loop heating systems. It provides a secure, pressure-rated closure on open line ends without the need for soldering or brazing. Built from high-strength brass, the 117-M resists corrosion and scale buildup common in high-temperature boiler water. The compression fitting design allows a technician to terminate unused tubing runs quickly and reliably, maintaining system pressure integrity during service, expansion, or staged commissioning of hydronic piping networks.\u003c\/p\u003e\n\u003cp\u003eThis tube cap is suited for residential and light commercial hydronic heating applications, including larger-capacity boiler loops, auxiliary flow circuits, and system expansion runs in mechanical rooms. It is installed wherever an open 1-1\/8 inch OD copper or compatible tubing end must be capped off temporarily or permanently. Plumbers and hydronic heating technicians working on baseboard, radiant floor, or panel radiator systems will encounter this fitting in standard boiler room piping configurations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass construction resists corrosion and scale in high-temperature hydronic water\u003c\/li\u003e\n  \u003cli\u003eCompression connection eliminates soldering and brazing for faster installation\u003c\/li\u003e\n  \u003cli\u003eFits 1 inch nominal tubing with 1-1\/8 inch OD\u003c\/li\u003e\n  \u003cli\u003eSeals open line ends and protects unused ports in boiler and mechanical room piping\u003c\/li\u003e\n  \u003cli\u003eMaintains pressure integrity in complex hydronic loop configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style compression tube cap for 1 inch nominal, 1-1\/8 inch OD hydronic tubing used in residential and light commercial boiler and heating loop piping systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber or qualified hydronic heating technician. Depressurize and drain the affected circuit before fitting the cap onto an open tubing end. Compression fittings require proper ferrule seating and appropriate tightening with a wrench — do not overtighten. Verify system pressure integrity after installation before returning the boiler loop to service.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Size\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Diameter (OD)\u003c\/strong\u003e: 1-1\/8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Compression\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Hydronic heating systems\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: LEGEND VALVE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 117-M\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LEGEND VALVE","offers":[{"title":"Default Title","offer_id":51347901841714,"sku":"117-M","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310555305.jpg?v=1782115883","url":"https:\/\/voomisupply.com\/products\/legend-valve-117-m-hydronic-tube-cap-1-1-8-inch-od-brass","provider":"Voomi Supply","version":"1.0","type":"link"}