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-DNE Read moreRS485 Warning Signs:"FIRE ALARM DO NOT ENTER" 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 AncillariesKM-FS-WS Read moreECU & WS (Generic) Warning Sign Surround for Flush Fitting 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"