King Electric K312RELAY Thermostat Slave Relay, Dp 120/208/240V 15A

King Electric 120, 208, 240 volt 15 Amp Relay - Line Voltage Control of Electric Heaters - Links with and receives signal sent by K302PE or K322E Thermostat - Up to 10 Relays per Master - For Heating Applications Exceeding 15Amps