The elegant timeless design harmonizes with any ambience. Behind the attractively styled panel flap,the focus is entirely on functionality. Information when it counts. The LED display informs you about the heater circuit at any time. An internal system poll also continually monitors the appliance components and assists the service engineer with an analysis code system. A digital remote control is available as optionalaccessory for convenient setting of poorly accessible appliances GKT 243/303 classic, fan assisted all dimensions in mm

Dimension diagram: GKT 231, 281, 243, 303 classic Digital remote control

400200
750 1Heating return (3/4’’)2Heating flow (3/4’’)3Hot water outlet (1/2’’) 4Cold water inlet (1/2’’)5Zone for electrical power supplyand room thermostat connections6Gas (3/4’’) 52528839116,5123456136 347194* * 161 mm by GKT 243/303