The Signaline WIB Water Interposing Box provides a convenient means of interfacing the Signaline WDM-KM Control Module with a Signaline WATER Control Panel. One Signaline WIB Water Interposing Box is required per zone. The Signaline WATER Panel is available with up to 4 zones. It is supplied with appropriately sized cable glands, terminal block and a 680 ohm resistor.