{"product_id":"schaefer-brush-43282-flue-brush-1-3-4-in-dia-7-1-2-in-oal","title":"Schaefer Brush 43282 Flue Brush 1-3\/4 in Dia 7-1\/2 in Oal","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SCHAEFER BRUSH 43282 is an extra heavy filled double stem, single spiral flue brush designed for cleaning flue passages, heat exchangers, and combustion venting components. Built with tempered steel wire fill, it delivers aggressive scrubbing action to remove carbon deposits, soot, and scale from metal flue surfaces. The brush measures 1-3\/4 inches in diameter with a 4-1\/2 inch brush length and a 7-1\/2 inch overall length. A 3\/8 inch NPSM male connection allows attachment to standard extension rods for deep flue access. HVAC technicians and combustion appliance service pros are the primary users of this tool.\u003c\/p\u003e\u003cp\u003eThis flue brush is suited for residential and light commercial service work involving gas furnaces, boilers, water heaters, and other appliances with round flue passages close to 1-3\/4 inches in diameter. It is commonly used during annual maintenance and combustion efficiency inspections where flue tube cleaning is required. The tempered steel wire construction makes it appropriate for metal flue surfaces and heat exchanger passages where firm bristle contact is needed to dislodge baked-on deposits.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTempered steel wire fill provides extra heavy scrubbing force for tough carbon and soot buildup\u003c\/li\u003e\n\u003cli\u003eDouble stem, single spiral construction maintains brush shape and even bristle contact during use\u003c\/li\u003e\n\u003cli\u003e1-3\/4 inch brush diameter targets standard round flue passages and heat exchanger tubes\u003c\/li\u003e\n\u003cli\u003e4-1\/2 inch brush length covers adequate surface area per pass\u003c\/li\u003e\n\u003cli\u003e3\/8 inch NPSM male connection is compatible with standard extension rod systems\u003c\/li\u003e\n\u003cli\u003e7-1\/2 inch overall length allows direct use or extension rod attachment in confined spaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in round flue passages and heat exchanger tubes approximately 1-3\/4 inches in diameter, compatible with standard 3\/8 inch NPSM extension rod systems used in combustion appliance maintenance.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis brush is used by HVAC technicians and combustion appliance service professionals during scheduled maintenance. Shut down and allow the appliance to cool completely before inserting any cleaning tool into flue passages or heat exchanger tubes. Ensure the 3\/8 inch NPSM connection is fully threaded onto any extension rod before use to prevent the brush from becoming lodged. Follow applicable local codes and manufacturer service procedures when cleaning venting components.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 1-3\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrush Length\u003c\/strong\u003e: 4-1\/2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 7-1\/2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrush Material\u003c\/strong\u003e: Tempered Steel Wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: NPSM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Size\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender\u003c\/strong\u003e: Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.8 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: 43282\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SCHAEFER BRUSH","offers":[{"title":"Default Title","offer_id":51544505647410,"sku":"43282","price":21.92,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2ec5679d5c5aea5fb26cb8b3a2646548.jpg?v=1785928405","url":"https:\/\/voomisupply.com\/products\/schaefer-brush-43282-flue-brush-1-3-4-in-dia-7-1-2-in-oal","provider":"Voomi Supply","version":"1.0","type":"link"}