MB-OT4: Gateway MODBUS /OPENTHERM 4 CHANNELS
010-OT-DR: 0-10V to Opentherm Converter, 1 OT channel, two relays
MB-OTG:Gateway MODBUS /OPENTHERM 1 CHANNEL
MARCOM will be closed for the summer between 12/08 and 19/08 inclusive. Orders can still be sent and will be handled in order of arrival.