{"product_id":"siemens-oh121","title":"Siemens OH121 Replacement Part","description":"\u003cp\u003eThe Siemens OH121 is a spot-type detector head used within Siemens Cerberus PRO and FireFinder XLS intelligent fire alarm systems, with backward compatibility into MXL legacy infrastructure, providing initiation input to the addressable or conventional circuit it is wired into. Confirm the exact sensing technology and listing of the specific build before specifying.\u003c\/p\u003e\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL 268 smoke detectors for fire alarm systems\u003c\/li\u003e\n\u003cli\u003eUL 864 control unit listing when connected to a listed circuit\u003c\/li\u003e\n\u003cli\u003eNFPA 72 application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpot-type detection head for fire alarm initiation\u003c\/li\u003e\n\u003cli\u003eMounts to a compatible Siemens detector base\u003c\/li\u003e\n\u003cli\u003eReports the detected condition to the host control unit\u003c\/li\u003e\n\u003cli\u003eRestorable after the alarm condition clears\u003c\/li\u003e\n\u003cli\u003eField-serviceable head-and-base assembly\u003c\/li\u003e\n\u003cli\u003eCompatible within Cerberus PRO \/ FireFinder XLS \/ MXL legacy systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSpot-type detection devices monitor the protected area for products of combustion and report the condition to the control unit so notification and ancillary functions can be initiated. Pair the head with a listed base and confirm the addressing scheme of the host system.\u003c\/p\u003e\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":52004384440613,"sku":"OH121","price":83.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/siemens-smoke-detectors-default-title-siemens-oh121-554372-f2-a1-thermal-smoke-detector-33858985689312.jpg?v=1771295872","url":"https:\/\/fastalarmdistribution.com\/products\/siemens-oh121","provider":"Fast Alarm Distribution","version":"1.0","type":"link"}