Siemens ZU-35 SF 26/01 There are no address switches

There are no address switches to set

Red powder-coat finish

The 3-CAB5 wall box and non-contoured door a re #16 AWG cold rolled steel

and is compatible with various Det-Tronics transmitters and controllers

The S1209 Series photoelectric smoke alarms are for use as an evacuation device in all dwelling units

Siemens ZU-35 SF 26/01 There are no address switchesThe dual zone input module (Model ZU 35) from Siemens Fire Safety is designed to provide two (2) independent initiating circuits. Up to 30 standard Siemens Fire Safety photoelectric detectors or flame detectors (excluding Models DF 3, DF 3A and DF 30) are supported by Model ZU 35. Additionally, any quantity of shorting type contact devices such as manual stations and thermal detectors can be accommodated and intermixed on each initiating circuit.