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Genuine WHALE Zigbee communication PCB for 2kW water heater and space heater models. Genuine WHALE replacement Zigbee communication PCB Designed for 2kW water heater and space heater systems Enables correct communication and system control Suitable for Mk2, Mk3 and Mk4 space heater models Direct replacement part for reliable performance
Genuine WHALE Zigbee communication PCB for 2kW water heater and space heater models.