Features:

A Wire Saver Acts as a Splitter for Applications that Do Not Include a 24 Volt C Wire

Specifications:

Manufacturer: Honeywell
Manufacturer Part Number: THP9045A1023
Product Type: Thermostat Wire Saver Module
Color: Gray
Dimensions: 3.15" x 5.45" x 1.4"
Weight: 0.19 lb.
Used For: 8000, THX9000, RedLINK Wi-Fi Thermostat