Features:Model Number: 2251BItem Number: 1430957Photoelectric Detector Head, Requires Base

Features:Model Number: F110Item Number: 1430954Trim Ring For 6" Flanged Bases - Old Profile

Features:Model Number: M500RItem Number: 1430951Relay Module 2 Form C

Features:Model Number: B501Item Number: 14309474 In Analog Detector Base

Features:Model Number - DST3Item Number - 14309983 Ft Duct Sampling Tube

Features:Model Number - STN-1.0Item Number - 1000279STN-1.0 10" Sampling Tube

Model Number: STN-10Item Number: 100027610' Sampling Tube For Addressable DDA

Model Number: STN-5 Item Number: 1000275 5' Sampling Tube For Addressable DDA

Model Number: STN-2.5Item Number: 1000274 2.5' Sampling Tube For Addressable DDA

Model Number: STS-2.5Item Number: 10002662-1/2 Foot Duct Sampling Tube

Model Number: PAD 100-4BItem Number: 3992731Terminals Marked with Polarity to assist with installationDuplicate terminals for in and out SLC wiringTerminals accept 22 to 12 AWG wire sizesInstalls on single gang, double gang, octagon or 4" square...

Model Number: PAD 100-4BItem Number: 3992731Terminals Marked with Polarity to assist with installationDuplicate terminals for in and out SLC wiringTerminals accept 22 to 12 AWG wire sizesInstalls on single gang, double gang, octagon or 4" square...