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 AncillariesWS-GEN-ESI-WP Read more Weatherproof Sign (generic) "Extinguishing System Inoperative" Quick View Quick View Signs, Warning Signs and Labels, Extinguishant AncillariesWS-GEN-FA-DNE Read more Warning Sign (generic) "Fire Alarm/Do Not Enter" Quick View Quick View Extinguishant Systems, Manual Call Points, Extinguishant AncillariesSTIRPYS01C1 Read more STIRPYS01C1 - Resettable Yellow Extinguishant Call Point with Flap and resistors - Surface Mount Quick View Quick View Signs, Warning Signs and Labels, Extinguishant AncillariesECU-WS-ESI-WP Read more Weatherproof Warning Sign (RS485) "Extinguishing System Inoperative"