If you have any questions relating to this product that isn't covered in the literature below, please feel free to call one of our technically trained sales team on +44 (0) 1257 470 983


The CS1 current switch is an alternative to using an air pressure differential switch and can work with one fan. It can work in conjunction with the Merlin 1500GD, the Merlin 2000GD or the Merlin 1200s panels.
A two-core volt free connection from the CS1 to the Merlin panel allows the gas valve to open when current is being monitored
*Please note prices quoted exclude carriage and VAT.