{"product_id":"reliable-rfs42-hsw-concealed-sprinkler-k4-2-1-2-inch-thread-ra4835","title":"Reliable RFS42 HSW Concealed Sprinkler K4.2 1\/2 Inch Thread RA4835","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eExplore the Reliable RFS42 HSW Concealed Fastener Features and Benefits\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe Reliable Model RFS42 HSW Concealed Sprinkler delivers discreet yet powerful fire protection, specifically engineered for residential environments where architectural aesthetics are paramount. This horizontal sidewall sprinkler is designed to seamlessly integrate into your living space, offering a clean, unobstructed appearance while providing rapid and reliable fire suppression.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcealed Flat Plate Design\u003c\/strong\u003e: Features a flat, white cover plate that sits flush with the wall, making the sprinkler virtually invisible until activated. The innovative push-on\/pull-off design allows for 1\/8-inch (3.2 mm) of adjustment for a precise, finished look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized K-Factor\u003c\/strong\u003e: With a K-factor of 4.2 (60 metric), this sprinkler ensures efficient water discharge, making the most of available water supplies for residential fire protection systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Response Activation\u003c\/strong\u003e: Engineered as a quick-response sprinkler, it activates swiftly when the ambient temperature rises, allowing for early intervention to control or extinguish a fire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e: Built with a robust bronze frame, a brass cup, and copper alloy retainer flange assembly, ensuring long-lasting performance and reliability. The water seal assembly features a PTFE-coated Belleville spring washer with no plastic parts for enhanced durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Thread Connection\u003c\/strong\u003e: Equipped with a 1\/2-inch (15MM) NPT thread, ensuring compatibility with common piping systems for straightforward installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Coverage Area\u003c\/strong\u003e: Capable of protecting significant residential spaces, with a maximum listed coverage area of up to 16 ft. x 20 ft. (4.9 m x 6.1 m).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation Profile\u003c\/strong\u003e: Specifically sized to fit within a 3½-inch or larger stud space, simplifying integration into standard wall construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified Safety\u003c\/strong\u003e: UL Listed and cULus certified, meeting rigorous safety and performance standards for residential automatic sprinklers in accordance with NFPA 13, 13R, and 13D guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Reliable RFS42 concealed sprinkler offers homeowners, designers, and builders an ideal solution for combining essential fire safety with uncompromised interior aesthetics. By concealing the sprinkler head behind a sleek cover plate, it protects the device from accidental damage while maintaining the clean lines of any room. This design ensures that fire protection blends seamlessly into your property, enhancing safety without detracting from your carefully crafted decor. Its quick-response mechanism and robust construction provide peace of mind, making it a reliable choice for safeguarding residential properties.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Strength of the Reliable RFS42 HSW Concealed Fastener\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Reliable RFS42 HSW concealed fastener is engineered for exceptional durability and strength, making it a preferred choice in various construction and decking projects. Its robust K4.2 (60) threaded design ensures a firm hold, resisting loosening and corrosion even under challenging environmental conditions. This fastener’s 1\/2\" (15mm) thread length offers optimal penetration for superior stability without compromising the concealed aesthetic. Crafted with precision, the RA4835 model guarantees long-lasting performance, providing peace of mind to builders and contractors seeking secure, hidden fastening solutions that stand the test of time.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eSeamless Aesthetic with Concealed Fastening Technology\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Reliable RFS42 HSW concealed fastener excels in delivering a clean, professional appearance by hiding all screw heads beneath the surface. This feature enhances the visual appeal of decking and other installed panels, preventing any protrusions that might detract from the overall finish. Its design integrates smoothly with most decking materials, making it an ideal choice for maintaining both structural integrity and aesthetics. The common challenge of exposed fasteners is eliminated, allowing designers and builders to achieve sleek, uninterrupted surfaces without sacrificing performance or durability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eEase of Installation and Compatibility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eInstallation of the Reliable RFS42 HSW concealed fastener is straightforward, thanks to its standardized K4.2 (60) threading and 15mm length, which aligns with industry norms for concealed fasteners. This compatibility permits quick integration with existing tools and fastener systems, saving time and reducing labor costs. The RA4835 model also features precision manufacturing that ensures consistent quality and fit on every application, making it a reliable choice for professionals. Whether used in residential or commercial settings, this concealed fastener is designed for efficiency without compromising the quality of the finished work.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Strength of the Reliable RFS42 HSW Concealed Fastener\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Reliable RFS42 HSW concealed fastener is engineered for exceptional durability and strength, making it a preferred choice in various construction and decking projects. Its robust K4.2 (60) threaded design ensures a firm hold, resisting loosening and corrosion even under challenging environmental conditions. This fastener’s 1\/2\" (15mm) thread length offers optimal penetration for superior stability without compromising the concealed aesthetic. Crafted with precision, the RA4835 model guarantees long-lasting performance, providing peace of mind to builders and contractors seeking secure, hidden fastening solutions that stand the test of time.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eSeamless Aesthetic with Concealed Fastening Technology\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Reliable RFS42 HSW concealed fastener excels in delivering a clean, professional appearance by hiding all screw heads beneath the surface. This feature enhances the visual appeal of decking and other installed panels, preventing any protrusions that might detract from the overall finish. Its design integrates smoothly with most decking materials, making it an ideal choice for maintaining both structural integrity and aesthetics. The common challenge of exposed fasteners is eliminated, allowing designers and builders to achieve sleek, uninterrupted surfaces without sacrificing performance or durability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eEase of Installation and Compatibility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eInstallation of the Reliable RFS42 HSW concealed fastener is straightforward, thanks to its standardized K4.2 (60) threading and 15mm length, which aligns with industry norms for concealed fasteners. This compatibility permits quick integration with existing tools and fastener systems, saving time and reducing labor costs. The RA4835 model also features precision manufacturing that ensures consistent quality and fit on every application, making it a reliable choice for professionals. Whether used in residential or commercial settings, this concealed fastener is designed for efficiency without compromising the quality of the finished work.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Reliable Sprinkler","offers":[{"title":"1\/2-inch \/ Standard \/ 165F","offer_id":48342842573048,"sku":"RFS42","price":67.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/7183\/3336\/files\/reliable-model-rfs42-hsw-concealed-k42-60-threads-12-15mm-ra4835-8966959.png?v=1778907130","url":"https:\/\/fireprotectionparts.net\/products\/reliable-rfs42-hsw-concealed-sprinkler-k4-2-1-2-inch-thread-ra4835","provider":"Fire Protection Parts","version":"1.0","type":"link"}