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-ESI-WP Read more Weatherproof Sign (generic) "Extinguishing System Inoperative" Quick View Quick View Covers, Extinguishant AncillariesSTI7520 Read more Weatherproof clear polycarbonate enclosure with KEY lock (225H x 305W x 92D) Quick View Quick View Extinguishant Ancillaries, Extinguishant Systems, Manual Call PointsSTIRPYS01C1 Read more STIRPYS01C1 - Resettable Yellow Extinguishant Call Point with Flap and resistors - Surface Mount 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