Service interval. Keypad lock. Boost & advance function. 5 year warranty. Preset clock.
Horstmann CentaurPlus C17 Central Heating Only Programmer/Timeswitch 7 Day
EPH R17 Central Heating Single Channel Time Switch 7 Day, 5/2 Day, 24 Hour R17
EPH 3 Zone Central Heating & Hot Water Programmer 7 Day, 5/2 Day, 24 Hour R37 V2
EPH Wired Central Heating & Hot Water Programmer 7 Day, 5/2 Day, 24 Hour R27 V2
EPH Controls S17-VF 1 Zone Central Heating Programmer 24hr 5/2 Day 7 Day - NEW
Horstmann H37XL Channelplus Electronic Central Heating Programmer Series 2 - 3 channel, 7 day
