SENSORSPriceQuantity
Product Image Honeywell C7089U1006
Outdoor Temperature Sensor For VisionPro Series Thermostats
$18.99  
Honeywell C7189U1005 Front
Honeywell C7189U1005
Indoor Temperature Sensor For VisionPro Series Thermostats
$21.99  

THERMOSTAT MODULESPriceQuantity
Product Image Nordic Electronics 3000
Turns 2 Thermostat Wires Into Equivalent of 4, Or 4 Wires Into 6
$91.99