{"product_id":"schaefer-brush-43831-double-stem-spiral-tube-brush","title":"Schaefer Brush 43831 Double Stem Spiral Tube Brush","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SCHAEFER BRUSH 43831 is a double stem spiral tube brush designed for cleaning tubes, pipes, and bores in HVAC, plumbing, and industrial maintenance applications. The brush features a stainless steel fill material wound in a spiral pattern around a double stem wire construction, providing durability and consistent scrubbing action. It measures 15\/16 inches in diameter with a 6-inch overall length and a 4-inch brush length. The female connection end is threaded 12-24, allowing it to attach to standard extension handles. HVAC technicians, plumbers, and maintenance professionals use this brush for removing scale, debris, and fouling from tubing and heat exchanger passages.\u003c\/p\u003e\u003cp\u003eThis tube brush is suited for residential and light commercial service work where internal bore cleaning is required. Typical applications include cleaning condenser tubes, evaporator coils, copper pipe fittings, heat exchanger tubes, and similar bore diameters near 15\/16 inches. The 12-24 female threaded connection is compatible with standard brush extension rods, making it practical for deeper tube access. Its stainless steel bristles hold up to repeated use and resist corrosion in wet or chemically treated environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStainless steel spiral fill for corrosion resistance and durability\u003c\/li\u003e\n\u003cli\u003eDouble stem wire construction for structural rigidity during cleaning\u003c\/li\u003e\n\u003cli\u003e15\/16 inch diameter fits standard tube and bore sizes in HVAC and plumbing service\u003c\/li\u003e\n\u003cli\u003e4-inch brush length with 6-inch overall length for effective reach\u003c\/li\u003e\n\u003cli\u003e12-24 female threaded connection accepts standard extension handles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with standard 12-24 threaded brush extension handles and rods. Suitable for cleaning bores and tubes with an inside diameter near 15\/16 inches.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eShut off and isolate any system before inserting the brush into active tubing or heat exchanger passages. Thread the brush securely onto the extension handle before use to prevent separation inside the tube. Use appropriate personal protective equipment when cleaning tubes that may contain chemical residue, scale, or biological fouling. This tool is typically used by HVAC technicians and plumbers during routine maintenance or equipment servicing.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 15\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrush Length\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrush Material\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Size\u003c\/strong\u003e: 12-24\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.16 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SCHAEFER BRUSH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 43831\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SCHAEFER BRUSH","offers":[{"title":"Default Title","offer_id":51543495475506,"sku":"43831","price":33.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4bfd9faf4a4fe1dd68221e0195b93265_ae277f20-de1a-492f-8de3-6ae187f2cda4.jpg?v=1785919500","url":"https:\/\/voomisupply.com\/products\/schaefer-brush-43831-double-stem-spiral-tube-brush","provider":"Voomi Supply","version":"1.0","type":"link"}