Next Product ECU-HS Copy code Extinguishant hold off switch Please login to see your pricing or to place an orderLogin 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 Extinguishant Ancillaries, Signs, Warning Signs and LabelsECU-WS-FA-DNE Read more RS485 Warning Signs:"FIRE ALARM DO NOT ENTER" Quick View Quick View Extinguishant Ancillaries, Signs, Warning Signs and LabelsWS-GEN-ESI-WP Read more Weatherproof Sign (generic) "Extinguishing System Inoperative" Quick View Quick View Extinguishant Ancillaries, Signs, Warning Signs and LabelsKM-FS-WS Read more ECU & WS (Generic) Warning Sign Surround for Flush Fitting Quick View Quick View Extinguishant Ancillaries, Extinguishant Systems, Manual Call PointsSTIRPYS01C1 Read more STIRPYS01C1 - Resettable Yellow Extinguishant Call Point with Flap and resistors - Surface Mount