{"product_id":"siemens-fdbz492-same-day-shipping-sealed","title":"Siemens FDBZ492 2-Wire Duct Housing (No Relay)","description":"\u003cp\u003eThe Siemens FDBZ492 2-Wire Duct Housing without relay is an air duct monitoring housings containing sampling tubes. When used with a compatible smoke detector, smoke and combustion products are detected for shutdown of the duct system and\/or operation of supplementary equipment as provided by the system control panel.\u003c\/p\u003e\n\n\u003cp\u003eCOMPATIBLE for use with these detetor heads: PE-11\/-11C, FP-11\/-11C, HFP-11, HFPO-11, SFP-11, SFPO-11, 8854, 8713, 8710, OP121, FDO421, FDOOT441, FDOOTC441, OP921, OOH941, OOHC941\u003c\/p\u003e\n\n\u003cp\u003eSAMPLING TUBES:\u003cbr\u003e\n— ST-10 For duct widths of 6\" to 1.0’\u003cbr\u003e\n— ST-25 For duct widths of 1.0’ to 3.0’\u003cbr\u003e\n— ST-50 For duct widths of 3.0’ to 5.0’ (requires support)\u003cbr\u003e\n— ST-100 For duct widths of 5.0’ to 10.0’ (requires support)\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e\np\/n S54319-B22-A1\u003c\/p\u003e\n","brand":"FIRE ALARM SYS","offers":[{"title":"Default Title","offer_id":51574340878656,"sku":"394018258741","price":224.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/6466\/0032\/files\/FDBZ492.jpg?v=1774040512","url":"https:\/\/firealarmsys.com\/products\/siemens-fdbz492-same-day-shipping-sealed","provider":"FIRE ALARM SYS","version":"1.0","type":"link"}