3 On/Off Periods.
EPH Single Channel Zone Central Heating Programmer Timeswitch - A17
EPH 3 Zone Central Heating & Hot Water Programmer 7 Day, 5/2 Day, 24 Hour R37 V2
EPH CONTROLS R27 2 Zone Programmer - 7 Day, 5/2 Day or 24 Hour - V2 TIMECLOCK
Jotekonoby 5/8 Zone Central Heating System Controller, Floor Heating Thermostat Hub Intelligent Multi-Channel Actuator, For Pump Valve Control(5)
LavaTap Pro Honeywell Wireless Programmable Thermostat CM927 CM921 CM727 Replacement Central Heating Programmer Boiler Plus Compliant, White, Standard
Horstmann H37XL Channelplus Electronic Central Heating Programmer Series 2 - 3 channel, 7 day
