Simplex 4098-9685X 2-Wire Duct Detector
$225.00
The Simplex 4098-9685X is a two-wire TrueAlarm duct detector housing (no relay) for basic smoke detection in HVAC ducts. It is the direct replacement for 4098-9685 and maintains the same function and wiring on IDC (18–32 VDC). Sampling tubes are ordered separately by duct width.
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
