{"product_id":"b-k-proline-1-in-cts-sizes-x-1-in-d-cts-brass-coupling","title":"B\u0026K Proline 1 in. CTS Sizes X 1 in. D CTS Brass Coupling","description":"\u003cdiv\u003e\n\u003cp\u003eThe B\u0026amp;K Proline 1 in. CTS to 1 in. CTS Brass Coupling is a purpose-built solution for joining 1\" copper tube size (CTS) piping with confidence. Crafted from lead-free brass, this coupling delivers a durable, safe connection for potable water systems while staying compact enough for tight spaces and retrofit projects.\u003c\/p\u003e \u003ch3\u003eWhy this CTS brass coupling stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLead-free brass construction\u003c\/strong\u003e provides safer, cleaner water connections for residential and commercial Plumbing projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo 1\" CTS ends\u003c\/strong\u003e designed to connect 1\" CTS copper tubes, enabling straightforward, dependable installations in standard copper piping runs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid pressure and temperature tolerance\u003c\/strong\u003e rated up to \u003cstrong\u003e125 psi\u003c\/strong\u003e and \u003cstrong\u003e210°F\u003c\/strong\u003e, making it suitable for typical domestic water lines and many heating applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Proline quality\u003c\/strong\u003e from B\u0026amp;K, offering consistent performance and compatibility with other CTS fittings in your system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNon-ANSI certified\u003c\/strong\u003e — check local codes and project requirements to ensure this coupling meets your installation standards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhere and how you’ll use it\u003c\/h3\u003e\n\u003cp\u003ePerfect for repairs, renovations, or new installs that involve 1\" CTS copper tubing, this coupling provides a reliable link in potable water supply lines, small appliance connections, or baseboard heating loops where CTS sizing is the standard. Its brass body resists corrosion in typical water environments, helping to minimize leaks over time.\u003c\/p\u003e \u003ch3\u003ePractical guidance for use\u003c\/h3\u003e\n\u003cp\u003eFor best results, ensure both CTS ends are clean and free of burrs before installation. Use compatible CTS fittings and follow local plumbing codes for connection method and tightening recommendations. While this coupling is designed for everyday water service, verify that its 125 psi and 210°F ratings align with your specific application and fluid conditions.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong end diameter:\u003e 1 in\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong end diameter:\u003e 1 in\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong end type:\u003e CTS\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong end type:\u003e CTS\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong material:\u003e Brass (lead-free)\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong maximum pressure:\u003e 125 psi\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong maximum temperature:\u003e 210°F\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong brand:\u003e B\u0026amp;K Proline\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong product type:\u003e Coupling\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong ansi certified:\u003e No\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"B\u0026K","offers":[{"title":"Default Title","offer_id":52205042663698,"sku":"4343752","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4343752_A.eps_High.jpg?v=1776467634","url":"https:\/\/nationalhardwaregroup.com\/products\/b-k-proline-1-in-cts-sizes-x-1-in-d-cts-brass-coupling","provider":"National Hardware Group","version":"1.0","type":"link"}