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-ESI-WP Read moreWeatherproof Warning Sign (RS485) "Extinguishing System Inoperative" Quick View Quick View Signs, Warning Signs and Labels, Extinguishant AncillariesECU-WS-FA-EVAC-WP Read moreRS 485 Warning Signs: "FIRE ALARM EVACUATE AREA" (Weatherproof) Quick View Quick View Signs, Warning Signs and Labels, Extinguishant AncillariesWS-GEN-ESI Read moreWarning Sign (generic) "Extinguishing System Inoperative" Quick View Quick View Signs, Warning Signs and Labels, Extinguishant AncillariesWS-GEN-ESI-WP Read moreWeatherproof Sign (generic) "Extinguishing System Inoperative"