The digital time clocks are used in conjunction with dial thermostats. The time clocks offer the following features:

• 7 day programming

• 2 zone (2 manifold) control in the wired version (PB2CTC)

• 4 zone (4 manifold) control in the RF (PB4CTC RF) version

• Frost protection

• Holiday standby mode

• 9 pre set programs for easy programming

• Simple user defined programming

• External (frost stat) connection