{"product_id":"selkirk-4-in-aluminum-steel-wall-support-band-assembly","title":"Selkirk 4 in. Aluminum\/Steel Wall Support\/Band Assembly","description":"\u003cdiv\u003e\n\u003cp\u003eSelkirk 4 in. Aluminum\/Steel Wall Support\/Band Assembly (model 4RV-WB) is the dependable through-wall anchor your 4-inch Type B chimney needs. Built from a rugged aluminum\/steel blend, this wall band provides solid support where the vent meets the wall, helping maintain alignment, reduce movement, and create a durable, weather-ready connection for both indoor and outdoor installations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 4 inches to fit standard Type B vent runs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Aluminum\/steel construction delivers strength, flexibility, and corrosion resistance for long-lasting performance in varied environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafety compliance\u003c\/strong\u003e: UL Listed, giving you confidence in meeting code requirements for venting installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Gray color that blends with most venting systems and wall surfaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility\u003c\/strong\u003e: Suitable for both indoor and outdoor use, so you can install it virtually anywhere your 4\" Type B vent travels through a wall.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackage details\u003c\/strong\u003e: Includes one wall support\/band assembly per package (model 4RV-WB).\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Designed to support through-wall connections for Type B vent systems, enhancing stability of the vent run at the wall penetration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTemperature rating\u003c\/strong\u003e: Maximum Continuous Temperature: 100.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eInstalling or upgrading a 4\" Type B vent through an exterior or interior wall for gas-fired appliances, fireplaces, or direct-vent systems.\u003c\/li\u003e \u003cli\u003eRemodels where a secure, code-recognized wall pass-through is needed to maintain proper vent alignment and prevent strain on joints.\u003c\/li\u003e \u003cli\u003eReplacement part in the Selkirk 4\" venting lineup to restore secure wall penetration and support after wear or renovations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this wall support\/band assembly\u003c\/h3\u003e\n\u003cp\u003eWhat sets the Selkirk 4RV-WB apart is the combination of durable materials, code-listed safety, and practical, installer-friendly design. The aluminum\/steel construction withstands the stresses of daily operation and the elements, while the UL listing confirms its suitability for Type B vent systems. The gray finish helps the wall pass-through blend with common vents and walls, delivering a clean, professional look in both new construction and renovations.\u003c\/p\u003e \u003cp\u003ePractical tips for use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMatch the wall band to your existing 4\" Type B vent sections and ensure the wall penetration is properly sealed according to local codes and Selkirk installation instructions.\u003c\/li\u003e \u003cli\u003eInstall with appropriate fasteners and weatherproofing methods to maintain a durable through-wall seal against moisture and air leaks.\u003c\/li\u003e \u003cli\u003eVerify clearances around the vent path and through-wall area to prevent heat transfer or ignition concerns in accordance with the appliance’s specifications.\u003c\/li\u003e \u003cli\u003eKeep the model number (4RV-WB) handy for references when ordering replacements or compatible components in the Selkirk 4\" system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals and DIY enthusiasts alike, this wall support\/band assembly gives you a reliable, code-compliant anchor point that preserves vent alignment, protects against movement, and supports long-lasting performance for your 4-inch Type B chimney system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Selkirk","offers":[{"title":"Default Title","offer_id":52201794502930,"sku":"4111258","price":37.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4111258_A.eps_High.jpg?v=1776380395","url":"https:\/\/nationalhardwaregroup.com\/products\/selkirk-4-in-aluminum-steel-wall-support-band-assembly","provider":"National Hardware Group","version":"1.0","type":"link"}