{"product_id":"edwards-signaling-sd-ph-duct-housing-quick-delivery","title":"Edwards Signaling SD-PH Duct Detector Protective Housing for HVAC Fire Alarm Systems","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"498\" data-start=\"20\"\u003eThe Edwards Signaling SD-PH is a duct detector protective housing designed to support smoke detection systems in HVAC duct applications. Manufactured by Edwards Signaling, it provides environmental protection for compatible duct smoke detectors in high humidity and variable airflow conditions. The Edwards SD-PH ensures reliable detector performance by maintaining stable operation in demanding air handling environments.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 470.251px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eEdwards Signaling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eFire Alarm Accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eSD-PH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eDuct Detector Protective Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eProtective Housing Enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eHVAC Duct Smoke Detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eCompatible Device\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eSuperDuct Smoke Detector Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003e24 VAC \/ 24 VDC \/ 120 VAC \/ 230 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eAir Velocity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003e100 to 4,000 ft\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003e-4°F to 158°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eRJ-45 Wiring Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eEnvironmental Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eHigh humidity \/ HVAC duct environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003eDetector protection and environmental isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 40.2047%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.576%;\"\u003e3.2 lb (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eSD-PH\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-end=\"1065\" data-start=\"503\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe SD-PH is part of Edwards Signaling duct detection accessory solutions engineered to protect SuperDuct smoke detectors in ventilation systems. It is constructed as a rugged protective enclosure suitable for installation in HVAC ductwork exposed to moisture, temperature variation, and continuous airflow. The unit supports multiple operating voltage configurations, including 24 VAC, 24 VDC, 120 VAC, and 230 VAC, making it compatible with a wide range of fire alarm and building control systems. It is designed for use in air velocities from 100 ft\/min to 4,000 ft\/min, ensuring stable detector operation in both low and high airflow duct environments. RJ-45 wiring support simplifies integration with modern fire alarm communication and control networks.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-end=\"1102\" data-start=\"1085\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul data-end=\"2149\" data-start=\"1341\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1902\" data-start=\"1163\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1885\" data-start=\"1105\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1911\" data-start=\"1126\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1962\" data-start=\"1221\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1838\" data-start=\"1145\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1738\" data-start=\"1060\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1867\" data-start=\"1152\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1929\" data-start=\"1139\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1992\" data-start=\"1227\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1948\" data-start=\"1152\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1796\" data-start=\"1061\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1802\" data-start=\"1039\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1785\" data-start=\"1075\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1905\" data-start=\"1131\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1817\" data-start=\"1130\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1924\" data-start=\"1161\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1733\" data-start=\"1083\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1934\" data-start=\"1195\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1790\" data-start=\"1052\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1963\" data-start=\"1246\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1867\" data-start=\"1165\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1844\" data-start=\"1108\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1850\" data-start=\"1217\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1957\" data-start=\"1291\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1154\" data-end=\"1897\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1150\" data-end=\"1830\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1180\" data-end=\"1854\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1213\" data-end=\"1924\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1163\" data-end=\"1876\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1278\" data-end=\"1952\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1239\" data-end=\"1951\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1269\" data-end=\"1954\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1230\" data-end=\"1931\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1181\" data-end=\"1830\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1151\" data-end=\"1832\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1192\" data-end=\"1886\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1097\" data-end=\"1717\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1211\" data-end=\"1849\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1207\" data-end=\"1910\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1135\" data-end=\"1728\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1265\" data-end=\"1876\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1124\" data-end=\"1789\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1151\" data-end=\"1848\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1107\" data-end=\"1728\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1152\" data-end=\"1841\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1317\" data-end=\"1981\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1315\" data-end=\"2199\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1099\" data-end=\"1853\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1262\" data-end=\"1900\"\u003e\n\u003cli data-section-id=\"101zsbf\" data-start=\"1262\" data-end=\"1366\"\u003eDuct Detector Protection: Shields compatible smoke detectors from dust, humidity, and airflow stress\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14z1xj5\" data-start=\"1367\" data-end=\"1465\"\u003eHigh Humidity Suitability: Designed for reliable operation in moisture-prone HVAC environments\u003c\/li\u003e\n\u003cli data-section-id=\"dfzbvf\" data-start=\"1466\" data-end=\"1560\"\u003eWide Air Velocity Range: Supports stable performance from 100 to 4,000 ft\/min duct airflow\u003c\/li\u003e\n\u003cli data-section-id=\"cvm1z3\" data-start=\"1561\" data-end=\"1646\"\u003eMulti-Voltage Compatibility: Accepts 24 VAC, 24 VDC, 120 VAC, and 230 VAC systems\u003c\/li\u003e\n\u003cli data-section-id=\"ngiqhu\" data-start=\"1647\" data-end=\"1743\"\u003eHVAC Integration Design: Optimized for SuperDuct detector installation in air handling units\u003c\/li\u003e\n\u003cli data-section-id=\"1b5pd\" data-start=\"1744\" data-end=\"1812\"\u003eExtended Temperature Range: Operates reliably from -4°F to 158°F\u003c\/li\u003e\n\u003cli data-section-id=\"1m7ill1\" data-start=\"1813\" data-end=\"1900\"\u003eRJ-45 Connectivity: Simplifies wiring and system integration in fire alarm networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1902\" data-end=\"2028\"\u003eThe SD-PH delivers the reliability and precision required for duct smoke detection protection in HVAC and fire safety systems.\u003c\/p\u003e","brand":"Edwards Signaling","offers":[{"title":"Default Title","offer_id":52034975858986,"sku":"SD-PH","price":397.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l300_074078e0-fa7c-4161-a9d8-cb899832b00d.webp?v=1783079393","url":"https:\/\/iqelectro.com\/products\/edwards-signaling-sd-ph-duct-housing-quick-delivery","provider":"IQElectro","version":"1.0","type":"link"}