Next Product ECU-HS Extinguishant hold off switch Please login to see your pricing Login SKU: ECU-HS Category: Extinguishant Ancillaries Description Shrouded "Hold Off" push button for use with Sigma extinguishant systems Downloads ECU-HS Data Sheet.pdf Related products Quick View Quick View Extinguishant Ancillaries, Signs, Warning Signs and LabelsWS-GEN-FA-EVAC-WP Read more Warning Sign (Generic) Fire Alarm Evacuate Area Weatherproof Sign Quick View Quick View Extinguishant Ancillaries, Signs, Warning Signs and LabelsECU-WS-FA-DNE-WP Read more RS485 Warning Signs:"FIRE ALARM DO NOT ENTER" (Weatherproof) Quick View Quick View Extinguishant Ancillaries, Signs, Warning Signs and LabelsWS-GEN-ESI Read more Warning Sign (generic) "Extinguishing System Inoperative" Quick View Quick View Extinguishant Ancillaries, Signs, Warning Signs and LabelsECU-WS-ESI-WP Read more Weatherproof Warning Sign (RS485) "Extinguishing System Inoperative"