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the 4WT-B provides enhanced protection by detecting both smoke and heat conditions
Simplex 4098-9751 SSD In-Duct Sensor Housing W/Relay
Ceiling-Mountable
Siemens HI921 (S54320-F5-A2) Local Heat Detector (Static + ROR)
• Alarm Signaling: Display and relay alarm signaling
Siemens FP-11 (500-095112) Multi-Criteria Fire Detector HTRI-M (500-034000) the 4WT-B provides enhanced protectionSiemens FP 11 (500 095112) Fire Detector This multi criteria fire detector features state of the art microprocessor circuitry with error checks, self diagnostic, and supervision programs, delivering reliable and accurate fire detection. The FP 11 is easily programmed and tested electronically, eliminating the need for cumbersome and unreliable mechanical programming methods and reducing installation and service costs. It is compatible with the Siemens
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