Photo 1 of Syston 18/8 Thermostat Doorbell HVAC Heating Control Cable Wire, 18 AWG 8 Conductors 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated, UV Resistant RoHS for Low Voltage Applications Use

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Photo 1 of Syston 18/8 Thermostat Doorbell HVAC Heating Control Cable Wire, 18 AWG 8 Conductors 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated, UV Resistant RoHS for Low Voltage Applications UsePhoto 2 of Syston 18/8 Thermostat Doorbell HVAC Heating Control Cable Wire, 18 AWG 8 Conductors 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated, UV Resistant RoHS for Low Voltage Applications Use