Johnson Controls M302MJ Addressable Monitor Module
$169.00
{{option.name}}:
{{selected_options[option.position]}}
{{value_obj.value}}
Johnson Controls M302MJ Addressable Monitor Module is a standard-sized module that monitors and supervises compatible two-wire, 24 volt, smoke detectors on a Style D (Class A) or Style B (Class B) circuit.
Show More
Show Less