Siemens HFPT-11 (500-033380) Plug-In Two-Wire Thermal Detector VSP-005 all SpectrAlert Advance devices utilize

all SpectrAlert Advance devices utilize a plug-in design with a single captured screw to speed installation and virtually eliminate costly ground faults

This multi-criteria fire detector features state-of-the-art microprocessor circuitry with error checks

cost-effective sensor with a louvered design to capture smoke and direct it to the chamber

• Detection Type Carbon Monoxide

Siemens HFPT-11 (500-033380) Plug-In Two-Wire Thermal Detector VSP-005 all SpectrAlert Advance devices utilizeSiemens 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.