SENSORSPriceQuantity
Product Image Honeywell C7089U1006
Outdoor Temperature Sensor For VisionPro Series Thermostats
$19.99  
Honeywell C7189U1005 Front
Honeywell C7189U1005
Indoor Temperature Sensor For VisionPro Series Thermostats
$22.99  

THERMOSTAT MODULESPriceQuantity
Product Image Honeywell W8735D1009
2-Channel Telephone Access Module
$208.99  
Product Image Honeywell W8735D1017
4-Channel Telephone Access Module
$309.99