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Offers excellent protection against physical damage (both accidental and intentional) and against severe environments inside and outside
These products are electrically backward compatible with the previous generation of SpectrAlert notification appliances
Siemens OH121 (554372-F2-A1) Thermal Smoke Detector
Series: i3 Series
With support for Class A (Style Z) wiring
Siemens HFPT-11 (500-033380) Plug-In Two-Wire Thermal Detector VSP-005 Offers excellent protection against physicalSiemens HFPT 11 (500 033380) Plug In Two Wire Thermal Detector is compatible with FireFinder XLS and FS 250 control panel families (Replaced by OH921) The HFPT 11 features a microprocessor chip and highly stable solid state electronic circuitry technology.
US$ 32.00
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US$ 100.00