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-ESI Read moreRS485 Warning Signs: "EXTINGUISHING SYSTEM INOPERATIVE" Quick View Quick View Signs, Warning Signs and Labels, Extinguishant AncillariesWS-GEN-FA-DNE-WP Read moreWarning Sign (Generic) Weatherproof "Fire Alarm Do Not Enter" Quick View Quick View Signs, Warning Signs and Labels, Extinguishant AncillariesECU-WS-FA-EVAC Read moreRS485 Warning Signs:"FIRE ALARM EVACUATE AREA"