FORCED-AIR ZONE CONTROL SYSTEM ACCESSORIESPriceQuantity
Product Image Honeywell W8703A1003
EnviraCOM Damper Interface Module for Honeywell EnviraZone Networked Zoning Systems (Adds 3 Zones)
$146.99  

SENSORSPriceQuantity
Product Image Honeywell C7089U1006
Outdoor Temperature Sensor For VisionPro Series Thermostats
$18.99  

THERMOSTAT MODULESPriceQuantity
Product Image Honeywell W8735D1009
2-Channel Telephone Access Module
$216.99  
Product Image Honeywell W8735D1017
4-Channel Telephone Access Module
$286.99