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 Covers, Extinguishant AncillariesSTI7520 Read more Weatherproof clear polycarbonate enclosure with KEY lock (225H x 305W x 92D) Quick View Quick View Extinguishant Ancillaries, Signs, Warning Signs and LabelsECU-WS-FA-EVAC-WP Read more RS 485 Warning Signs: "FIRE ALARM EVACUATE AREA" (Weatherproof) Quick View Quick View Extinguishant Ancillaries, Signs, Warning Signs and LabelsECU-WS-ESI Read more RS485 Warning Signs: "EXTINGUISHING SYSTEM INOPERATIVE" 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)