Previous Product Next Product ECU-HS Extinguishant hold off switch Please login to see your pricing Login SKU: ECU-HS Category: Sigma XT Description Description Shrouded "Hold Off" push button for use with Sigma extinguishant systems Downloads ECU-HS Data Sheet.pdf Related products Quick View Quick View Sigma XT, Protective GuardsSTI7520 Read moreWeatherproof clear polycarbonate enclosure with KEY lock (225H x 305W x 92D) Quick View Quick View Signs, Warning Signs and Labels, Sigma XTECU-WS-ESI Read moreRS485 Warning Signs: "EXTINGUISHING SYSTEM INOPERATIVE" Quick View Quick View Signs, Warning Signs and Labels, Sigma XTECU-WS-FA-DNE Read moreRS485 Warning Signs:"FIRE ALARM DO NOT ENTER"