EPH Timeclock Programmer Wired
R17 - 1 zone timeswitch with 3 operating modes – 24h, 5/2d & 7 day. This timeswitch is perfect for controlling a boiler in a central heating system.
R27 - 2 zone programmer with 3 operating modes – 24h, 5/2d & 7 day. Perfect for controlling 2 zones in a central heating system.
R37 - 3 zone programmer with 3 operating modes – 24h, 5/2d & 7 day. Perfect for controlling 3 zones in a central heating system.
R47 - 4 zone programmer with 3 operating modes – 24h, 5/2d & 7 day. Perfect for controlling 4 zones in a central heating system.