{"product_id":"ajax-fireprotect-2-rb-heat-wireless-heat-detector-cr123a-85-db-itm005251","title":"Ajax FireProtect 2 RB (Heat) Wireless Heat Detector, CR123A, 85 dB, ITM005251","description":"\u003cp\u003e\u003cstrong\u003eAjax FireProtect 2 RB (Heat)\u003c\/strong\u003e is a wireless ceiling-mount heat-only detector designed for indoor residential and light-commercial use. The RB (replaceable battery) variant uses two CR123A batteries (pre‑installed) and communicates securely with Ajax Hubs via the Jeweller protocol. It includes a built-in piezo siren, tamper detection and rapid interconnect with other Ajax detectors for system-wide alarms.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-only detection (Class A1R thermistors): absolute high temperature (~64°C) and rapid temperature-rise detection.\u003c\/li\u003e\n  \u003cli\u003ePower: 2 × CR123A replaceable batteries (pre‑installed) — typical battery life ~5–7 years depending on settings.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in siren: up to 85 dB (measured at ~3 m).\u003c\/li\u003e\n  \u003cli\u003eWireless two‑way Jeweller radio with encryption, frequency-hopping and automatic power control; interconnects via hub and fallback direct detector-to-detector interconnect.\u003c\/li\u003e\n  \u003cli\u003eTamper detection, SmartBracket ceiling mounting and local test button for commissioning and checks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompliance \u0026amp; safety\u003c\/strong\u003e: CE and regional approvals apply; UL\/ULC certification is product\/region dependent — check the exact part number if UL\/ULC is required. This device is intended for indoor use (IP20). Follow local fire-safety guidance and national electrical regulations when installing. Test devices regularly and replace batteries when low. This detector is part of a monitored smart system when paired with an Ajax Hub; it is not a substitute for full commercial fire alarm systems where those are required by regulation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation notes\u003c\/strong\u003e: Mount centrally on the ceiling using the supplied SmartBracket. Do not paint or obstruct the device. For integrated alarm systems or mains-connected fire systems consult a qualified installer or electrician.\u003c\/p\u003e","brand":"Dynamic CCTV New","offers":[{"title":"-","offer_id":56595135431029,"sku":"AJAX FIREPROTECT 2 RB (HEAT) BLACK - 63209.168.BL1","price":72.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/1216\/0612\/files\/ITM005251_1.png?v=1768259403","url":"https:\/\/wmestore.co.uk\/products\/ajax-fireprotect-2-rb-heat-wireless-heat-detector-cr123a-85-db-itm005251","provider":"WME","version":"1.0","type":"link"}