Loop Test/Maintenance Module, 2-wire

PART #  674262
Minimum 1 Each
In Stock


Installation ease: The MOD2W 2-wire loop test/maintenance module mounts to a 4 11/16 inch square back box for quick and easy installation. Terminal blocks with durable SEMS screws assure a reliable connection.
Intelligence: The MOD2W allows communicat ion to 2-wire i3 detectors with any listed fire alarm control panel capable of utilizing this module. When these i3 detectors initiate a remote maintenance signal for required cleaning, both the MOD2W and the panel can provide a visual indication of th e signal. The MOD2W module also features the EZ Walk loop test for 2-wire i3 detectors. With just the press of a button, this function verifies the entire initiating loop wiring.

Instant inspection: The MOD2W’s green, red, and yellow LEDs provide status indication for the loop. These LEDs indicate loop communication status, maintenance alert, alarm, freeze trouble, EZ Walk test enabled, and wiring fault.

Must be a reseller to purchase this product.


  • Allows up to twelve 2-Wire i3 detector models, 2W-B, 2WT-B and one 2WTR-B, to be used on any listed alarm control panel capable of utilizing this module
  • Interprets the i3 detector remote maintenance signal
  • Provides visual indication and an output relay when a detector on the loop requires cleaning
  • Initiates the EZ Walk loop test
  • Provides Style D/Class A wiring on IDC loops


UNSPSC Code 46171600

Spec Sheet

Spec Sheet

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