PRODUCT DESCRIPTION
The Simplex 4098-9685 is a two-wire TrueAlarm duct detector housing (no relay) for basic smoke detection in HVAC ducts. It operates on IDC (18–32 VDC) and uses sampling tubes sized to the duct width, ordered separately.
Key Specifications:
Type: 2-wire duct smoke detector housing with TrueAlarm photoelectric head; no remote relay
Power: 18–32 VDC from the initiating device circuit (IDC)
Status/Testing: Multi-function LED (normal/alarm); magnetic test access
Wiring: Terminals accept #18–#12 AWG conductors
Compatible Remote Modules (ordered separately):
4098-9830 – Remote red alarm LED
4098-9834 – Remote test station with keyswitch + red alarm LED
Sampling Tubes (ordered separately):
4098-9854 – 12 in
4098-9855 – 24 in
4098-9856 – 49 in
4098-9857 – 73 in
4098-9858 – 97 in
Optional Enclosure:
4098-9845 – Weatherproof duct housing enclosure
WHAT OUR CUSTOMERS ARE SAYING
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