Photo 1 of PARTS ONLY -------------------------------------------------------------------------------------------------------------Wireless Relay for HVAC Systems, Zuomeng 24VAC IO Wireless Control with 1380ft LoRa Range, 3 Channel Control for AC Heat Pump Boiler, E

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Photo 1 of PARTS ONLY -------------------------------------------------------------------------------------------------------------Wireless Relay for HVAC Systems, Zuomeng 24VAC IO Wireless Control with 1380ft LoRa Range, 3 Channel Control for AC Heat Pump Boiler, EPhoto 2 of PARTS ONLY -------------------------------------------------------------------------------------------------------------Wireless Relay for HVAC Systems, Zuomeng 24VAC IO Wireless Control with 1380ft LoRa Range, 3 Channel Control for AC Heat Pump Boiler, EPhoto 3 of PARTS ONLY -------------------------------------------------------------------------------------------------------------Wireless Relay for HVAC Systems, Zuomeng 24VAC IO Wireless Control with 1380ft LoRa Range, 3 Channel Control for AC Heat Pump Boiler, E