{"product_id":"6-5x4-75-nutone-ms-25-degree-intercom-retrofit-adapter-ring-battery-doorbells-2nd-gen","title":"6.5” x 4.75” NuTone \/ M\u0026S 25° Intercom Retrofit Adapter for Ring Battery Doorbell Pro \u0026 Plus (2nd Gen)","description":"\u003ch2\u003e\u003cb\u003eOverview\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003eReplace a large legacy intercom door station with a modern video doorbell while covering the original wall opening and adding a built-in side angle for improved camera positioning. This \u003cspan class=\"s2\"\u003e\u003cb\u003e6.5\" × 4.75\" three-piece 25° intercom retrofit adapter by Hidden River Lab\u003c\/b\u003e\u003c\/span\u003e is designed for the \u003cspan class=\"s2\"\u003e\u003cb\u003eRing Battery Doorbell Pro (2nd Gen)\u003c\/b\u003e\u003c\/span\u003e and \u003cspan class=\"s2\"\u003e\u003cb\u003eRing Battery Doorbell Plus (2nd Gen)\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eDesigned for many \u003cspan class=\"s2\"\u003e\u003cb\u003eNuTone \/ M\u0026amp;S (Music \u0026amp; Sound)\u003c\/b\u003e\u003c\/span\u003e legacy intercom installations and similar-size openings, the adapter covers the old intercom cutout and creates a proper mounting interface for your Ring battery doorbell. The \u003cspan class=\"s2\"\u003e\u003cb\u003ethree-piece interlocking design\u003c\/b\u003e\u003c\/span\u003e consists of a base plate, interface, and 25° corner mount for a clean, secure finished installation.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe built-in \u003cspan class=\"s2\"\u003e\u003cb\u003e25° horizontal side angle\u003c\/b\u003e\u003c\/span\u003e helps aim the camera toward your entry path when a straight 0° installation would point the view too far along the wall.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cb\u003eCompatibility\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p4\"\u003e\u003cspan class=\"s3\"\u003e\u003cspan style=\"color: rgb(46, 229, 157);\"\u003e✔︎\u003c\/span\u003e \u003c\/span\u003e\u003cb\u003eDesigned for:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eRing Battery Doorbell Pro (2nd Gen)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eRing Battery Doorbell Plus (2nd Gen)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003e✔︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eRetrofit application:\u003c\/b\u003e\u003c\/span\u003e Designed to replace many older \u003cspan class=\"s2\"\u003e\u003cb\u003eNuTone \/ M\u0026amp;S\u003c\/b\u003e\u003c\/span\u003e intercom door stations and cover similar-size legacy intercom openings\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e✔︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eAdapter size:\u003c\/b\u003e\u003c\/span\u003e Approximately \u003cspan class=\"s2\"\u003e\u003cb\u003e6.5\" × 4.75\"\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e✔︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eAngle:\u003c\/b\u003e\u003c\/span\u003e Built-in \u003cspan class=\"s2\"\u003e\u003cb\u003e25° horizontal side angle\u003c\/b\u003e\u003c\/span\u003e (no vertical tilt)\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e✔︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eMounting surface:\u003c\/b\u003e\u003c\/span\u003e Flat surfaces\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e✔︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eOrientation:\u003c\/b\u003e\u003c\/span\u003e Reversible design can be configured to angle the doorbell \u003cspan class=\"s2\"\u003e\u003cb\u003eleft or right\u003c\/b\u003e\u003c\/span\u003e depending on your installation\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cspan class=\"s3\"\u003e\u003cspan style=\"color: rgb(255, 87, 87);\"\u003e✖︎\u003c\/span\u003e \u003c\/span\u003e\u003cb\u003eNot compatible with:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eRing Battery Doorbell (standard model)\u003c\/b\u003e — not currently supported by this version\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eOlder Ring battery doorbell generations unless specifically stated as compatible\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eRing wired doorbell models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eNon-flat mounting surfaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eRing periodically updates product names and generations. Please verify your \u003cb\u003eexact doorbell model and generation\u003c\/b\u003e before ordering. Not sure which model you have? Send us a photo of your doorbell and intercom opening — we’ll confirm fitment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cb\u003eWhat’s Included\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p4\"\u003e\u003cspan class=\"s3\"\u003e▪︎ \u003c\/span\u003e\u003cb\u003e1 × 6.5\" × 4.75\" base plate\u003c\/b\u003e (covers the old intercom opening)\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cspan class=\"s3\"\u003e▪︎ \u003c\/span\u003e\u003cb\u003e1 × Interface\u003c\/b\u003e with interlocking attachment mechanism\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cspan class=\"s3\"\u003e▪︎ \u003c\/span\u003e\u003cb\u003e1 × 25° corner mount\u003c\/b\u003e with interlocking attachment mechanism\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cspan class=\"s3\"\u003e▪︎ \u003c\/span\u003e\u003cb\u003eMachine screws\u003c\/b\u003e to secure the interface to the base plate\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cspan class=\"s3\"\u003e▪︎ \u003c\/span\u003e\u003cb\u003eSelf-tapping screws\u003c\/b\u003e to secure the 25° corner mount\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cspan style=\"color: rgb(255, 87, 87);\"\u003e✖︎\u003c\/span\u003e Doorbell, legacy intercom components, wall screws, and wall anchors are not included. Photos may show example installations for illustration purposes.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cb\u003eFit \u0026amp; Measurements\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003e▪︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eOverall adapter size:\u003c\/b\u003e\u003c\/span\u003e approximately \u003cspan class=\"s2\"\u003e\u003cb\u003e6.5\" × 4.75\"\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Designed to cover many legacy \u003cspan class=\"s2\"\u003e\u003cb\u003eNuTone \/ M\u0026amp;S intercom openings\u003c\/b\u003e\u003c\/span\u003e and similar-size cutouts on flat mounting surfaces\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Built-in \u003cspan class=\"s2\"\u003e\u003cb\u003e25° horizontal side angle\u003c\/b\u003e\u003c\/span\u003e helps aim the camera toward your approach path\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Three-piece construction separates the wall-covering base plate, interlocking interface, and angled doorbell mount for a clean retrofit installation\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Designed to reuse existing mounting locations where possible, depending on the original intercom installation\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e→ \u003cb\u003eIntercom systems and wall openings vary.\u003c\/b\u003e Please measure your existing opening and compare it with the adapter dimensions before ordering. If you’re unsure, send us photos and measurements and we’ll help verify fit.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cb\u003eWhy You’d Use This Adapter\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003e▪︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eOld intercom retrofit:\u003c\/b\u003e\u003c\/span\u003e Replace a large legacy intercom door station with a modern Ring battery video doorbell\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eCovers the old opening:\u003c\/b\u003e\u003c\/span\u003e Helps conceal the oversized cutout left after removing a NuTone, M\u0026amp;S, or similar intercom station\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eBetter camera aim:\u003c\/b\u003e\u003c\/span\u003e Built-in 25° side angle helps capture more of your entry path instead of looking along the wall\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eLeft or right positioning:\u003c\/b\u003e\u003c\/span\u003e Reversible configuration lets you choose the direction of the 25° side angle to suit your doorway layout\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eClean finished appearance:\u003c\/b\u003e\u003c\/span\u003e Creates a purpose-built mounting surface instead of leaving an exposed or mismatched wall opening\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eInterlocking three-piece design:\u003c\/b\u003e\u003c\/span\u003e The interface locks onto the base plate, and the 25° corner mount locks onto the interface for a secure, clean assembly\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ \u003cspan class=\"s2\"\u003e\u003cb\u003eModel-specific fit:\u003c\/b\u003e\u003c\/span\u003e Doorbell mounting interface is designed specifically for the compatible Ring Battery Doorbell Pro and Plus (2nd Gen) models\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cb\u003eInstallation Notes\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003eBasic tools required (e.g., screwdriver).\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Remove the existing intercom door station and safely manage any existing wiring.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Position the 6.5\" × 4.75\" base plate over the old intercom opening and reuse existing mounting locations where appropriate.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Position the interface over the base plate and press it firmly into place. The two components use an \u003cspan class=\"s2\"\u003e\u003cb\u003einterlocking snap-fit mechanism\u003c\/b\u003e\u003c\/span\u003e. You should \u003cspan class=\"s2\"\u003e\u003cb\u003efeel and\/or hear a distinct click\u003c\/b\u003e\u003c\/span\u003e when the interface is fully engaged and locked onto the base plate.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ After the interface clicks securely into the base plate, \u003cspan class=\"s2\"\u003e\u003cb\u003esecure the assembly with the included machine screws\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Choose the orientation that angles the camera toward the area you want to capture, then position the \u003cspan class=\"s2\"\u003e\u003cb\u003e25° corner mount\u003c\/b\u003e\u003c\/span\u003e onto the interface.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Press the 25° corner mount firmly into place. It also uses an \u003cspan class=\"s2\"\u003e\u003cb\u003einterlocking snap-fit mechanism\u003c\/b\u003e\u003c\/span\u003e. You should \u003cspan class=\"s2\"\u003e\u003cb\u003efeel and\/or hear a distinct click\u003c\/b\u003e\u003c\/span\u003e when the corner mount is fully engaged with the interface.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ After the 25° corner mount clicks securely into place, \u003cspan class=\"s2\"\u003e\u003cb\u003esecure it with the included self-tapping screws\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Before mounting the doorbell, verify that all three components are fully seated, securely interlocked, and properly fastened.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Mount the compatible Ring battery doorbell to the completed 25° adapter assembly using the appropriate included mounting hardware.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Follow Ring’s instructions for final doorbell setup and installation.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ Weather-seal the installation as appropriate for your wall, opening, and environment.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eIf your old intercom opening is unusual or you’re unsure whether this adapter will cover it or which direction you need the 25° angle, message us with a front-facing photo and measurements before ordering - we’ll help verify fit.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cb\u003eMaterials \u0026amp; Finish\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003e♺ 3D-printed durable plastic for everyday outdoor use.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e▪︎ New condition. Minor internal artifacts may be visible due to additive manufacturing (3D printing). External faces are designed to present cleanly once installed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cb\u003eColor \u0026amp; Image Note\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003eActual color may vary slightly due to lighting and display calibration. Photos may show Ring doorbells, legacy intercom components, or example installations for illustration purposes; these components are not included unless specifically stated above.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cb\u003eBrand \u0026amp; Affiliation Disclaimer\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003eThis is an aftermarket product made by Hidden River Lab. It is not affiliated with, sponsored by, or endorsed by Ring, NuTone, or M\u0026amp;S. Ring®, NuTone®, and M\u0026amp;S® are trademarks of their respective owners. Brand names are used solely to indicate compatibility and intended retrofit applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cb\u003eIntellectual Property Notice\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003eThe design, images, and listing text are intellectual property of Hidden River Lab. Purchase does not grant any license to copy, reproduce, manufacture, reverse-engineer, or commercially exploit the design in whole or in part.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cb\u003eSupport\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003eNot sure whether your old NuTone \/ M\u0026amp;S intercom opening matches this \u003cspan class=\"s2\"\u003e\u003cb\u003e6.5\" × 4.75\" 25° retrofit adapter\u003c\/b\u003e\u003c\/span\u003e, whether you have the correct \u003cspan class=\"s2\"\u003e\u003cb\u003eRing Battery Doorbell Pro or Plus (2nd Gen)\u003c\/b\u003e\u003c\/span\u003e, or which direction you need the 25° angle? Message us with photos of your doorbell, intercom opening, and measurements - we’ll confirm fitment and help you choose the correct setup.\u003c\/p\u003e","brand":"Hidden River Lab","offers":[{"title":"Black","offer_id":67653558796538,"sku":"HRP25-RBU-NU-blk","price":34.99,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":67653558829306,"sku":"HRP25-RBU-NU-wht","price":34.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray","offer_id":67653558862074,"sku":"HRP25-RBU-NU-dgr","price":34.99,"currency_code":"USD","in_stock":true},{"title":"Light Gray","offer_id":67653558894842,"sku":"HRP25-RBU-NU-gry","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/6577\/1002\/files\/HRP25-RBU-NU-blk-side.png?v=1791272317","url":"https:\/\/hiddenriverlab.com\/products\/6-5x4-75-nutone-ms-25-degree-intercom-retrofit-adapter-ring-battery-doorbells-2nd-gen","provider":"Hidden River Lab","version":"1.0","type":"link"}