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• Two and four wire models
• Photoelectric smoke sensing technology
• Uses smoke sensor in conjunction with a fixed temperature heat sensor to extend reliability
• Durable sensor head, no need for replacement
• Remote LED output on select 2-wire models
• N/C (normal close) or N/O (normal open) selectable relay output
• Easy installation and maintenance
• Attractive sleek housing
• UL listed
| item | Photoelectric detector (without plug-in base), 100 Series 2-Wire Base for 2151A Detector, 100 Series 4-Wire Base for 2151A Detector, 100 Series 4-Wire Base for 2151A Detector (C Relay), 100 Series 2-Wire Base for 2151A Detector (A & C Relay), i3 Photo Smoke, 2-wire, plug-in base, i3 Photo/Thermal Combo, 2-wire, plug-in base, i3 Photo/Thermal Combo, 4-wire, plug-in base, 100 Series Low Profile 2-Wire Base for 2151A Detector, SD Series 2 Wire smoke heat combo, SD Series 4 Wire smoke heat combo |
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