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 Signs, Warning Signs and Labels, Extinguishant AncillariesECU-WS-FA-EVAC Read more RS485 Warning Signs:"FIRE ALARM EVACUATE AREA" Quick View Quick View Signs, Warning Signs and Labels, Extinguishant AncillariesECU-WS-ESI-WP Read more Weatherproof Warning Sign (RS485) "Extinguishing System Inoperative" Quick View Quick View Extinguishant Ancillaries, CoversSTI7521 Read more Weatherproof clear polycarbonate enclosure with THUMB lock (225H x 305W x 92D) Quick View Quick View Signs, Warning Signs and Labels, Extinguishant AncillariesWS-GEN-FA-EVAC Read more Warning Sign (generic) "Fire Alarm/Evacuate Area"